® A Division of Cisco Systems, Inc. 24 or 48-Port 10/100 Fast Ethernet Switch 16, 24, or 48-Port 10/100/1000 Gigabit Ethernet Switch WIRED Model No.
WebView Switches Copyright and Trademarks Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2005 Cisco Systems, Inc. All rights reserved. Other brands and product names are trademarks or registered trademarks of their respective holders.
WebView Switches Table of Contents Chapter 1: Introduction Welcome What’s in this User Guide? Chapter 2: Getting to Know the Switch Overview The Front Panel The Back Panel Chapter 3: Connecting the Switch Overview Before You Install the Switch...
WebView Switches Switch Conf. (Configuration) Tab - IGMP Snooping Switch Conf. (Configuration) Tab - Bridge Multicast Switch Conf. (Configuration) Tab - Bridge Multicast Forward All QoS Tab - CoS Settings QoS Tab - Queue Settings QoS Tab - CoS to Queue QoS Tab - Bandwidth Security Tab - Local Users/System Password Security Tab - 802.1x Users Security Tab - 802.1x Port Conf.
WebView Switches Maintenance Tab - Telnet Maintenance Tab - Reset Maintenance Tab - File Download Maintenance Tab - File Upload Maintenance Tab - Restore Defaults Maintenance Tab - Integrated Cable Test Maintenance Tab - HTTP File Download Spanning Tree Tab - Global Settings Spanning Tree Tab - STP Interface Settings Spanning Tree Tab on SRW2048 Switches - RSTP Interface Settings Spanning Tree Tab on SRW2048 Switches - MSTP Properties Spanning Tree Tab on SRW2048 Switches - MSTP Instance Settings Spanning
WebView Switches List of Figures Figure 2-1: Front Panel of the 16-Port Switch Figure 2-2: Back Panel of the 16-Port Switch Figure 3-1: Typical Network Configuration for the 16-Port Switch Figure 3-2: Attach the Brackets to the Switch Figure 3-3: Mount the Switch in the Rack Figure 4-1: Finding HyperTerminal Figure 4-2: Connection Description Figure 4-3: Connect To Figure 4-4: COM1 Properties Figure 4-5: Telnet Login screen Figure 4-6: Switch Main Menu Figure 4-7: Port Status Figure 4-8: Port Configuration
WebView Switches Figure 4-24: Network Configuration Figure 4-25: Ping Test Figure 4-26: TraceRoute Test Figure 4-27: File Management Figure 4-28: Restore System Default Settings Figure 4-29: Reboot System Figure 5-1: Login Screen Figure 5-2: System Information - System Description Figure 5-3: System Information - System Mode Figure 5-4: System Information - Forwarding Database Figure 5-5: Forwarding Database - Add Entry Figure 5-6: System Information - Time Synchronization Figure 5-7: IP Configuration - IP
WebView Switches Figure 5-25: Switch Configuration - Bridge Multicast Forward All Figure 5-26: QoS - CoS Settings Figure 5-27: QoS - Queue Settings Figure 5-28: QoS - CoS to Queue Figure 5-29: QoS - Bandwidth Figure 5-30: QoS - Edit Bandwidth Figure 5-31: Security - Local Users/System Password Figure 5-32: Security - Edit Local Users/System Password Figure 5-33: Security - 802.1x Users Figure 5-34: Security - 802.1x Port Configuration Figure 5-35: 802.
WebView Switches Figure 5-55: Statistics - Etherlike Statistics Figure 5-56: Statistics - RMON Statistics Figure 5-57: Statistics - RMON History Control Figure 5-58: Statistics - RMON History Log Figure 5-59: Statistics - RMON Alarms Figure 5-60: Statistics - add RMON Alarm entry Figure 5-61: Statistics - RMON Events Control Figure 5-62: Statistics - RMON Events Log Figure 5-63: Statistics - EAP Statistics Figure 5-64: Statistics - GVRP Statistics Figure 5-65: Logs - Message Log Figure 5-66: Logs - Event L
WebView Switches Figure 5-85: Maintenance - HTTP File Download Figure 5-86: Spanning Tree - Global Settings Figure 5-87: Spanning Tree - STP Interface Settings Figure 5-88: Spanning Tree - RSTP Interface Settings Figure 5-89: Spanning Tree - MSTP Properties Figure 5-90: Spanning Tree - MSTP Instance Settings Figure 5-91: Spanning Tree - MSTP Interface Settings 85 86 88 90 92 93 94
WebView Switches Chapter 1: Introduction Welcome Thank you for choosing a WebView Switch. This Switch will allow you to network better than ever. This new Linksys rackmount switch delivers non-blocking, wire speed switching for your 10, 100, and 1000Mbps network clients, plus multiple options for connecting to your network backbone. 16 or 24, 10/100/1000 ports wire up your workstations or connect to other switches and the backbone.
WebView Switches What’s in this User Guide? This user guide covers the steps for setting up and using the Switch. • Chapter 1: Introduction This chapter describes the Switch’s applications and this User Guide. • Chapter 2: Getting to Know the Switch This chapter describes the physical features of the Switch. • Chapter 3: Connecting the Switch This chapter explains how to install and connect the Switch.
WebView Switches Chapter 2: Getting to Know the Switch Overview The Switches differ in number and types of LEDs and ports. While the 16-Port Gigabit Ethernet Switch is pictured in this chapter, the other Switches are similar in form and function. The Front Panel The Switch's LEDs and ports are located on the front panel. Figure 2-1: Front Panel of the 16-Port Switch LEDs SYSTEM Green. The SYSTEM LED lights up to indicate that the Switch is powered on. Link/Act Green.
WebView Switches For the 16-Port Switch, ports 8 and 16 are shared with miniGBIC1 and miniGBIC2, respectively. For the 24-Port Gigabit Ethernet Switch, ports 12 and 24 are shared with miniGBIC1 and miniGBIC2, respectively. NOTE: If shared ports are both connected, then the miniGBIC port has priority. miniGBIC1/2 The Switch provides two mini-GBIC ports.
WebView Switches Chapter 3: Connecting the Switch Overview This chapter will explain how to connect network devices to the Switch. For an example of a typical network configuration, see the application diagram shown below.
WebView Switches Before You Install the Switch... When you choose a location for the Switch, observe the following guidelines: • Make sure that the Switch will be accessible and that the cables can be easily connected. • Keep cabling away from sources of electrical noise, power lines, and fluorescent lighting fixtures. • Position the Switch away from water and moisture sources. • To ensure adequate air flow around the Switch, be sure to provide a minimum clearance of two inches (50 mm).
WebView Switches Rack-Mount Placement To mount the Switch in any standard-sized, 19-inch wide, 1U high rack, follow these instructions: IMPORTANT: Make sure you use the screws supplied with the mounting brackets. Using the wrong screws could damage the Switch and would invalidate your warranty. 1. Place the Switch on a hard flat surface with the front panel facing you. 2. Attach a rack–mount bracket to one side of the Switch with the supplied screws. Then attach the other bracket to the other side. 3.
WebView Switches 8. Power on the network devices connected to the Switch. Each active port’s corresponding Link/Act LED will light up on the Switch. If a port has an active Gigabit connection, then its corresponding Gigabit LED will also light up. If you will use the Switch’s console interface to configure the Switch, proceed to Chapter 4: Using the Console Interface for Configuration for directions.
WebView Switches Chapter 4: Using the Console Interface for Configuration Overview The Switch features a menu-driven console interface for basic configuration of the Switch and management of your network. The Switch can be configured using CLI through the console interface or through a telnet connection. This chapter describes console interface configuration. Configuration can also be performed through the web utility, which is covered in the next chapter.
WebView Switches 4. Set the serial port settings as follows: Bits per second: 38400 Data bits: 8 Parity: None Stop bits: 1 Flow control: None Then, click the OK button. Figure 4-4: COM1 Properties Connecting to the Switch through a Telnet Session Open a command line editor and enter telnet 192.168.1.254. Then, press the Enter key. The Login screen will now appear. The first time you open the CLI interface, select Edit and enter admin in the User Name field. Leave the Password field blank.
WebView Switches Configuring the Switch through the Console Interface The console screens consist of a series of menus. Each menu has several options, which are listed vertically. You select a menu option when you highlight it; pressing the Enter key activates the highlighted option. To navigate through the menus and actions of the console interface, use the up or down arrow keys to move up or down, and use the left or right arrow keys to move left or right.
WebView Switches Port Configuration On the Switch Main Menu screen, select Port Configuration and press the Enter key if you want to configure the Switch’s ports. The Port Configuration screen displays the port numbers, their status, auto-negotiation status, speed and duplex mode, and status of flow control, which is the flow of packet transmissions. Select Edit to make changes. When your changes are complete, press the Esc key to return to the Action menu, and select Save to save your changes.
WebView Switches System Information Using this screen, you can check the Switch’s firmware versions and general system information. Figure 4-10: System Information Menu Versions The Versions screen displays the Switch’s boot, software, and hardware firmware versions. Figure 4-11: Versions General System Information The General System Information screen displays the Switch’s description, System Up Time, System MAC Address, System Contact, System Name, and System Location. Select Edit to make changes.
WebView Switches Management Settings From the Management Settings screen, you can set Serial Port Session Configuration, Telnet Session Configuration, or Secure Telnet (SSH) Configuration. Figure 4-13: Management Settings Menu Serial Port Configuration On the Serial Port Configuration screen, the Switch’s baud rate is displayed. Select Edit to make changes. When your changes are complete, press the Esc key to return to the Action menu, and select Save to save your changes.
WebView Switches Username & Password Settings From this sceen, you can administer the user names and passwords of those accessing the Switch. NOTE: The Username & Password Settings screen can also be used to set passwords for other users. Figure 4-16: Username & Password Settings Security Settings The Security Settings screen enables you to configure security settings on the Switch, as well as generate and display the certificate.
WebView Switches SSL Certificate Generation Use the Certificate Generation screen to specify a device-generated certificate. The following fields are specified: Public Key Length - Specifies the SSL RSA key length. (Range: 512 - 2048) Organization Name - Specifies the organization name. (Range: 1 - 64) Locality or City Name - Specifies the location or city name. (Range: 1 - 64) Figure 4-18: SSL Certificate Generation State or Province Name - Specifies the state or province name.
WebView Switches IP Address Configuration The Switch’s IP information is displayed here. IP Address. The IP Address of the Switch is displayed. (The default IP address is 192.168.1.254.) Verify that the address you enter is correct and does not conflict with another device on the network. Subnet Mask. The subnet mask of the Switch is displayed. Default Gateway. The IP address of your network’s default gateway is displayed. Management VLAN. The VLAN ID number is displayed. DHCP client.
WebView Switches Network Configuration The Network Configuration screen offers a choice of two tests, Ping and TraceRoute. Figure 4-24: Network Configuration Ping The Ping screen displays the IP address of the location you want to contact. Select Edit to change the IP address, and select Execute to begin the ping test. After the ping test is complete, the Ping screen displays the IP address, status, and statistics of the ping test. Select Edit to make changes.
WebView Switches File Management The File Management screen allows you to upload or download files, such as the startup configuration, boot, or image file, using a TFTP server. Select Edit to change the settings. When your changes are complete, press the Esc key to return to the Action menu, and select Execute to upload or download the designated file. After you download a file to the Switch, it may need to be rebooted.
WebView Switches Chapter 5: Using the Web-based Utility for Configuration Overview This chapter describes the features included in the Web-based utility. All of the features shown in this chapter, unless specifically identified, are included in the Fast Ethernet switches. Additional features for the Gigabit switches are specified with images for the Gigabit Ethernet’s utility included. Accessing the Web-based Utility Open your web browser and enter 192.168.1.254 into the Address field.
WebView Switches Sys. Info. (System Information) Tab - System Description The System Description screen lets you enter general information about the Switch. Model Name. This is the model number and name of the Switch. System Name. Enter a name for the Switch. System Location. Describe the location of the Switch. System Contact. Enter the name of the contact person for this Switch. System Object ID. The vendor's authoritative identification of the network management subsystem contained in the entity.
WebView Switches Sys. Info. (System Information) Tab - Forwarding Database The Forwarding Database screen lets you define the aging interval of the Switch. Aging Interval (15-630) (secs). This specifies the aging-out period on the Forwarding Database. Click the Submit button to save your changes. A table of VLAN (Virtual Local Area Network) entries is listed. VLAN ID. Displayed here is the ID number of the VLAN for this entry. MAC Address. This is the MAC address of the entry.
WebView Switches Sys. Info. (System Information) Tab - Time Synchronization The Time Synchronization screen allows you to configure the time settings for the Switch. Clock Source. If you want to set the system clock via an SNTP (Simple Network Time Protocol) server, then select SNTP. Otherwise, select None. Local Settings Date. Specify the system date here. Local Time. Specify the system time here. Time Zone Offset. Enter the difference between Greenwich Mean Time (GMT) and local time. Daylight Saving.
WebView Switches IP Conf. (Configuration) Tab - IP Addr. (Address) The IP Address screen allows you to assign DHCP or static IP settings to interfaces and assign default gateways. DHCP Interface. If you are using the DHCP Interface, then select the radio button and specify the VLAN on which the DHCP IP address is configured. Host Name. Enter the DHCP Host Name here. Static Address. If you are using a static IP address, then select the radio button and enter the IP settings. IP Address.
WebView Switches Switch Conf. (Configuration) Tab - Interface Conf. (Configuration) The Interface Configuration screen shows you the settings for each of the Switch’s ports. Where many ports are present, you can scroll to the right on the screen to view the settings for further ports. Interface#. This is the port number. Name. This is the device port ID. Edit. The next row shows which port is selected or modified (according to the buttons at the bottom of the screen.
WebView Switches PVE. For Gigabit Ethernet switches. When a port is a Private VLAN Edge (PVE) port, it bypasses the Forwarding Database and forwards all unicast, multicast, and broadcast traffic to an uplink, except for MAC-to-me packets. Uplinks can be ports or LAGs. NOTE: PVE is configured on a group of ports for FE devices. This is done using the using the PVE Mapping screen PVE. For Fast Ethernet switches. PVE Groups indicates the PVE group to which the port belongs.
WebView Switches Current Back Pressure. Displayed here is the status of the port’s Back Pressure mode. Flow Control. You can enable or disable the port’s Flow Control feature. Current Flow Control. This is the flow control status of the port. MDI/MDIX. Select the Auto setting if you want the port to automatically detect the cable type. Select MDI if the port is connected to an end station. Select MDIX if the port is connected to a hub or another switch. Current MDI/MDIX.
WebView Switches Switch Conf. (Configuration) Tab - VLAN The VLAN screen displays subgroups of a LAN (Local Area Network). Chose the Select VLAN ID or Show All option. If you chose to Select VLAN ID, chose the ID you wish to display from the drop-down menu. The following information is displayed: VLAN ID. This displays the VLAN ID number. Figure 5-10: Switch Configuration - VLAN Name. This can be up to 32 alphanumeric characters long and identifies the name assigned to the VLAN. Type.
WebView Switches Switch Conf. (Configuration) Tab - VLAN Interface Settings The VLAN Interface Settings screen lets you define properties of the interfaces that are associated with VLANs. Interface. This is the physical address of the interface, Port or LAG. Interface VLAN Mode. One of the following VLAN modes will appear • General - The port belongs to VLANs, and each VLAN is user-defined as tagged or untagged (full 802.1q mode). • Access - The port belongs to a single, untagged VLAN.
WebView Switches Switch Conf. (Configuration) Tab - GVRP Parameters The name of this section is different depending on the type of Switch you are using. Gigabit Ethernet Switches show the GVRP Parameters screen. Fast Ethernet Switches show the PVE Mapping screen NOTE: The GVRP Parameters screen applies to the SRW2048 model ONLY.
WebView Switches Switch Conf. (Configuration) Tab - LAG Conf. (Configuration) The Switch supports up to eight Link Aggregated Groups (LAGs), which maximize port usage by linking a group of ports together to form a single group. LAGs multiply the bandwidth between the network devices, increase port flexibility, and provide link redundancy. The Switch’s LAGs are listed on the LA Configuration screen, which also allows you to modify them. LAG Port. This displays the LAG number. Name. This is the port name.
WebView Switches Switch Conf. (Configuration) Tab - Port Mirroring The Port Mirroring screen lets you configure the Switch’s port mirroring settings. Port mirroring can be used for diagnostics or debugging. It forwards copies of incoming and outgoing packets from one port to a monitoring port. Port to be Mirrored. Select the port number from which port traffic is mirrored. Probe Port. Select the port number to which port traffic is copied. Mode.
WebView Switches Switch Conf. (Configuration) Tab - LACP The LACP screen allows you to enable the use of the Link Aggregation Control Protocol (LACP) on relevant links for LAGs. Listed on this screen are the LACP LAGs. LACP System Priority (1 - 65535). Select the LACP priority value for the system. Then, click the Submit button. LACP information is displayed below, per port. Port. This is the port number using LACP. Port Priority. This is the LACP priority value for the port. LACP Timeout.
WebView Switches Switch Conf. (Configuration) Tab - IGMP Snooping When IGMP Snooping is enabled globally, all IGMP packets are forwarded to the CPU. The CPU analyzes the incoming packets and determines: Which ports want to join which Multicast groups. Which ports have Multicast routers generating IGMP queries. What routing protocols are forwarding packets and Multicast traffic.
WebView Switches Switch Conf. (Configuration) Tab - Bridge Multicast The Bridge Multicast screen displays the ports and LAGs attached to the Multicast service group. The Port and LAG tables reflect the manner in which the port or LAG joined the Multicast group. Ports can be added either to existing groups or to new Multicast service groups. From this screen, you can view the VLAN ID for each of the Switch’s ports.
WebView Switches Switch Conf. (Configuration) Tab - Bridge Multicast Forward All The Bridge Multicast Forward All screen contains fields for attaching ports or LAGs to a switch that is attached to a neighboring Multicast router/switch. Once IGMP Snooping is enabled, Multicast packets are forwarded to the appropriate port or VLAN. VLAN ID. Displays the VLAN for which Multicast parameters are displayed. Ports. Ports that can be added to a Multicast service.
WebView Switches QoS Tab - CoS Settings Quality of Service (QoS) allows you to implement priority queuing within a network, so different types of traffic are assigned different priority queues. Class of Service (CoS) services are then assigned to the queues, using one of two methods, Strict Priority, for which time-sensitive applications are forwarded using the quickest path, or Weighted Round Robin (WRR), for which no single application dominates the forwarding capacity.
WebView Switches QoS Tab - Queue Settings The Queue Settings screen lets you select the CoS method and assign bandwidth values for your queues. Queue. This is the queue number. Scheduling Strict Priority. If you want traffic scheduling to be based on queue priority, then click this radio button. WRR. If you want to assign a WRR weight to a queue, then click this radio button. Figure 5-27: QoS - Queue Settings WRR Weight. If a queue uses WRR, then enter the WRR weight in this field. % of WRR Bandwidth.
WebView Switches QoS Tab - Bandwidth Use the Bandwidth Settings page to define the bandwidth settings for specified ingress and egress interface. Modifying queue scheduling affects the queue settings globally. Port. Shows the port to which bandwidth settings are applied. Ingress Rate Limit. Defines the ingress Rate Limit on the interface. • Status. Indicates if rate limiting is enabled on the interface. • Rate Limit. Configures the rate to which traffic is limited. The range is 70 - 285,000 kbps.
WebView Switches Security Tab - Local Users/System Password This screen will appear as Local Users for those using a Gigabit Ethernet Switch and as System Password for those using a Fast Ethernet Switch. This screen allows you to change the password for the Switch. To modify a user’s Password information, click the Edit icon next to the user’s name to open the edit screen. From this screen, you can edit the following fields: Figure 5-31: Security - Local Users/System Password User Name.
WebView Switches Security Tab - 802.1x Port Conf. (Configuration) The 802.1x Port Configuration screen lists the Switch’s 802.1x ports and allows you to configure the authentication settings per port. This authentication method uses a RADIUS server and the Extensible Authentication Protocol (EAP). Port. This is the port name. Admin Port Control. This is the state of the port authorization. Traffic is forwarded if the state is forceAuthorized. Traffic is discarded if the state is forceUnauthorized.
WebView Switches To modify the settings for an 802.1x port, click the port’s Edit icon. On the new screen that appears, you can modify the port settings. Port. This is the port name. Admin Port Control. Select forceAuthorized if you want traffic to be forwarded. Select forceUnauthorized if you want traffic to be discarded. Select Auto if you want the controlled port state set by the authentication method. Enable Periodic Reauthentication.
WebView Switches Security Tab - RADIUS Server The RADIUS Server screen lists the RADIUS servers used for authentication. You can use this screen to access a server’s settings. IP Address. This is the IP address of the RADIUS server. Figure 5-36: Security - RADIUS Server Priority. This is the server priority, which is used to configure the server query order. Authentication Port. This is the authentication port used to verify the RADIUS server authentication. Number of Retries.
WebView Switches Dead Time (0-2000). Enter the number of minutes that a RADIUS server is bypassed for service requests. To use the default, click the Use Default checkbox. Key String (0-128 Characters). Enter the pre-shared key in this field. To use the default, click the Use Default checkbox. Source IP Address. Enter the source IP address used for communication with the RADIUS server. To use the default, click the Use Default checkbox. Usage Type. This is the RADIUS server authentication.
WebView Switches Security Tab - Storm Control The Storm Control screen allows you to enable or disable Storm Control, which limits the number of multicast and broadcast frames accepted and forwarded by the Switch. Port. Indicates the port on which storm control is enabled. Enable Broadcast Control. Enables broadcast control on the port. Broadcast Mode. Specifies the broadcast mode currently enabled on the Switch.
WebView Switches Security Tab for SRW2048 Switches - ACL The ACL screen lists the access profiles and allows you to configure access profiles for the Switch. NOTE: This section applies to the SRW2048 Switch ONLY. For all other switches, refer to the sections titled Security Tab for Other Switches. Access Profile. This is the name of the access profile. Activated. You can activate an access profile by selecting the radio button. You can deactivate an access profile by deselecting the radio button.
WebView Switches Security Tab for SRW2048 Switches - Profile Rules The Profile Rules screen contains fields for defining profiles and rules for accessing the Switch. Access to management functions can be limited to user groups, which are defined by ingress interfaces and source IP address or source IP subnets. NOTE: This section applies to the SRW2048 Switch ONLY. For all other switches, refer to the sections titled Security Tab for Other Switches.
WebView Switches Security Tab for SRW2048 Switches - Authentication Profiles The Authentication Profiles screen contains fields for selecting the user authentication method on the Switch. NOTE: This section applies to the SRW2048 Switch ONLY. For all other switches, refer to the sections titled Security Tab for Other Switches. User authentication occurs both locally and via an external server. User authentication occurs in the order the methods are selected.
WebView Switches Security Tab for SRW2048 Switches - Authentication Mapping NOTE: This section applies to the SRW2048 Switch ONLY. For all other switches, refer to the sections titled Security Tab for Other Switches. Console. Authentication profiles used to authenticate console users. Telnet. Authentication profiles used to authenticate Telnet users. Secure Telnet (SSH). Authentication profiles used to authenticate Secure Shell (SSH) users.
WebView Switches Security Tab for SRW2048 Switches - TACACS+ TACACS+ provides centralized security for validation of users accessing the Switches. TACACS+ provides a centralized user-management system, while still retaining consistency with RADIUS and other authentication processes. NOTE: This section applies to the SRW2048 Switch ONLY. For all other switches, refer to the sections titled Security Tab for Other Switches. The TACACS+ default parameters are user-defined defaults.
WebView Switches Security Tab for Other Switches - ACL The ACL screen lists the access profiles and allows you to configure access profiles for the Switch. NOTE: This section does not apply to the SRW2048 Switch. If you have a SRW2048 Switch, refer to the sections titled Security Tab for SRW2048 Switches. Access Profile. This is the name of the access profile. Activated. You can activate an access profile by selecting the radio button. You can deactivate an access profile by deselecting the radio button.
WebView Switches Security Tab for Other Switches - MAC Based ACL Access Control Lists (ACL) allow network managers to define classification actions and rules for specific ingress ports. ACLs contain multiple classification rules and actions. Each classification rule and action are called Access Control Element (ACE). ACEs are the filters that determine traffic classifications. MAC based ACLs are applied to any packet, including non IP. Classification fields are based on L2 fields only.
WebView Switches Security Tab for Other Switches - ACL Mapping When an ACL is mapped to an interface, the ACL is applied to the selected interface. Use the ACL Mapping screen to assign ACL Lists to classification methods and interfaces. NOTE: This section does not apply to the SRW2048 Switch. If you have a SRW2048 Switch, refer to the sections titled Security Tab for SRW2048 Switches. The ACL Mapping page contains the following fields: Interface. The VLAN to which the ACL is mapped. ACL Name.
WebView Switches SNTP Tab - Global Settings The Global Settings screen lets you set the Simple Network Time Protocol (SNTP) settings. SNTP makes possible accurate time synchronization by a network SNTP server for network devices. Using SNTP, the Switch is synchronized with the rest of the network and set with the correct time. Poll Interval. Enter the interval (in seconds) at which the SNTP server is polled for unicast information. Receive Broadcast Servers Updates.
WebView Switches SNTP Tab - Authentication The Authentication screen lists the keys used to authenticate the SNTP server. SNTP Authentication. Enable or disable authentication of an SNTP session between the Switch and an SNTP server. Click the Submit button to save your change. Figure 5-51: SNTP - Authentication Encryption Key ID. Displayed here is the encryption key used to authenticate the SNTP server and Switch. Authentication Key. This is the key used for authentication. Trusted Key.
WebView Switches SNTP Tab - Servers On the Servers screen, you can see a list of servers and their settings. Unicast Server. Displayed here is the IP address of the unicast server. Poll Interval. This is the interval (in seconds) at which the unicast server is polled for unicast information. Encryption Key ID. This is the encryption key used to authenticate the unicast server and Switch. Figure 5-52: SNTP - Servers Preference. This is the Switch’s preference for this particular unicast server. Status.
WebView Switches Last Response. This describes the last response of the broadcast server. To add an SNTP server, click the paper and pencil icon. On the new screen that appears, you can configure the following settings: SNTP Server. Enter the IP address of an SNTP server. You can have up to eight SNTP servers. Poll Interval. Enable this feature if you want the Switch to poll the SNTP server for system time information. Encryption Key ID.
WebView Switches Statistics Tab - Interface Statistics The Interface Statistics screen displays statistics for received and transmitted packets. Interface. Select the appropriate interface, Port or LAG. Then, select the appropriate number from the dropdown menu. Refresh Rate. Select how often you want the interface statistics refreshed. Receive Statistics Total Bytes. This is the number of octets received on the selected interface. Unicast Packets.
WebView Switches Statistics Tab - Etherlike Statistics The Etherlike Statistics screen displays interface statistics. Interface. Select the appropriate interface, Port or LAG. Then, select the appropriate number from the dropdown menu. Refresh Rate. Select how often you want the interface statistics refreshed. Frame Check Sequence (FCS) Errors. Displayed here is the number of FCS errors received on the selected interface. Single Collision Frames.
WebView Switches Statistics Tab - RMON Statistics The RMON Statistics screen displays information about the Switch’s use and errors. (RMON stands for Remote Monitoring.) Interface. Select the appropriate interface, Port or LAG. Then, select the appropriate number from the dropdown menu. Refresh Rate. Select how often you want the interface statistics refreshed. Drop Events. This is the number of dropped events that have occurred on the interface since the Switch was last refreshed. Received Bytes (Octets).
WebView Switches Frames of 64 Bytes. This is the number of 64-byte frames received on the interface since the Switch was last refreshed. Frames of 65 to 127 Bytes. This is the number of 65- to 127-byte frames received on the interface since the Switch was last refreshed. Frames of 128 to 255 Bytes. This is the number of 128- to 255-byte frames received on the interface since the Switch was last refreshed. Frames of 256 to 511 Bytes.
WebView Switches Statistics Tab - RMON History Control The RMON History Control screen contains information about samples of data taken from ports. History Entry No. This is the entry number for a RMON History entry. Source Interface. This is the interface from which the history samples were taken, either a port or LAG. Sampling Interval. This is the time during which samples were taken from the ports. Figure 5-57: Statistics - RMON History Control Sampling Requested.
WebView Switches Statistics Tab - RMON History Log The RMON History Log screen shows interface-specific statistics involving network sampling. Each entry has statistics from a single sample. History Entry No. Select the history entry whose statistics you want to view. Owner. This is the user who requested this sampling. Sample No. This is the sample number from which the statistics were taken. Figure 5-58: Statistics - RMON History Log Drop Events.
WebView Switches Statistics Tab - RMON Alarms The RMON Alarms screen displays the network alarms you have set. When the network experiences problems or events, such as rising and falling thresholds, then a network alarm will occur. Alarm Entry. This identifies a specific alarm. Figure 5-59: Statistics - RMON Alarms Counter Name.
WebView Switches To add an entry, click the paper and pencil icon. On the new screen that appears, you can configure the following settings: Alarm Entry. This is the number of the alarm entry. Interface. Select the interface for which RMON statistics are displayed, either a port or LAG. Then, select the appropriate number from the drop-down menu. Counter Name. Select the MIB (Management Information Base) variable from the drop-down menu. Sample Type.
WebView Switches Statistics Tab - RMON Events Control The RMON Events Control screen shows the RMON events you have configured. Event Entry. This identifies the event. Community. This is the community to which the event belongs. Description. This is the description of the event. Figure 5-61: Statistics - RMON Events Control Type. This is the event type, Log, Trap, Log and Trap, or None. Log indicates that the event is a log entry. Trap indicates that the event is a trap.
WebView Switches Statistics Tab - RMON Events Log The RMON Events Log screen displays a list of RMON events. Event. This is the number of the RMON Event Log entry. Log No. This is the log number. Log Time. This is the time when the log entry was entered. Figure 5-62: Statistics - RMON Events Log Description. This is the description of the log entry.
WebView Switches Statistics Tab - EAP Statistics The EAP Statistics screen displays information about EAP packets received on a specific port. Port. Select the port you want to poll for statistics. Refresh Rate. Select how often you want the EAP statistics to be refreshed. Frames Receive. Displayed here is the number of valid EAPOL (Extensible Authentication Protocol Over Local Area Network) frames received on the port. Frames Transmit. Displayed here is the number of EAPOL frames transmitted on the port.
WebView Switches Statistics Tab - GVRP Statistics NOTE: The GVRP Statistics screen applies to the Gigabit Ethernet switches ONLY. The GVRP Statistics screen displays information about GVRP packets received on a specific port. Interface. Specifies whether statistics are displayed for a port or LAG. Refresh Rate. Amount of time that passes before the interface statistics are refreshed. GVRP Statistics Table Attribute (Counter). Received/Transmitted - Statistics Join Empty.
WebView Switches Logs Tab - Message Log The Message Log screen shows information about log entries saved to the Log file in flash memory. Log entries are listed in a descending column, numbered on the left. Log Index. This is the log number. Log Time. Displayed here are the date and time at which the log was generated. Severity. This is the severity level of the log. Description. Displayed here is the log message text. Click the Clear Logs button to clear the logs on this screen.
WebView Switches Logs Tab - Global Parameters The Global Parameters screen lets you define which events are recorded by which logs. You can enable logs for the Switch and define specific logs. Logging. If you want the Switch to keep logs, select Enable. Otherwise, select Disable. Attribute. Displayed here is Max RAM Log Entries (20-400). This stands for the maximum number of log entries held in RAM. The minimum number is 20, and the maximum number is 400. Current.
WebView Switches SNMP Tab Simple Network Management Protocol (SNMP) provides a method for managing network devices. The switches supports the following SNMP versions: • SNMP version 1 • SNMP version 2 • SNMP version 3 SNMP v1 and v2 The SNMP agents maintains a list of variables, which are used to manage the switches. The variables are defined in the Management Information Base (MIB). The MIB presents the variables controlled by the agent.
WebView Switches • Traps The switches generate the following traps: • Copy trap • Stacking traps This section contains the following topics: • Configuring SNMP Security • Configuring SNMP SecurityConfiguring SNMP Notifications Configuring SNMP Security Defining SNMP Security The SNMP Global Parameters screen permits enabling both SNMP and Authentication notifications. • Local Engine ID. Indicates the local device engine ID. The field value is a hexadecimal string.
WebView Switches Defining SNMP Views SNMP Views provide access or block access to device features or feature aspects. For example, a view can be defined which states that SNMP group A has Read Only (R/O) access to Multicast groups, while SNMP group B has Read-Write (R/W) access to Multicast groups. Feature access is granted via the MIB name, or MIB Object ID. To define SNMP views: The SNMP Views screen contains the following fields: • View Name. Displays the user-defined views.
WebView Switches Defining SNMP Group Profiles The Group Profiles screen provides information for creating SNMP groups, and assigning SNMP access control privileges to SNMP groups. Groups allow network managers to assign access rights to specific device features, or features aspects. The Group Profiles screen contains the following fields: Figure 5-70: SNMP - Group Profile • Group Name. Displays the user-defined group to which access control rules are applied. • Security Model.
WebView Switches To add an entry, click the paper and pencil icon. On the new screen that appears, you can configure the following settings: • Group Name. Enter a name for the user-defined group to which access control rules are applied. The field range is up to 30 characters. • Security Model. Defines the SNMP version attached to the group. The possible field values are: • SNMPv1 - SNMPv1 is defined for the group. Figure 5-71: SNMP - add Group Profile • SNMPv2 - SNMPv2 is defined for the group.
WebView Switches Defining SNMP Group Members The Group Membership screen enables assigning system users to SNMP groups, as well as defining the user authentication method. The Group Membership screen contains the following fields: • User Name. Contains a list of user-defined user names. The field range is up to 30 alphanumeric characters. Figure 5-72: SNMP - Group Membership • Group Name. Contains a list of user-defined SNMP groups. SNMP groups are defined in the Access Control Group page. • Engine ID.
WebView Switches To add an member, click the paper and pencil icon. On the new screen that appears, you can configure all of the fields from the Group Membership screen, along with the following: • Authentication Key. Defines the HMAC-MD5-96 or HMAC-SHA-96 authentication level. The authentication and privacy keys are entered to define the authentication key. If only authentication is required, 16 bytes are defined. If both privacy and authentication are required, 32 bytes are defined.
WebView Switches • SNMP-Admin - User has access to all device configuration options, as well as permissions to modify the community. View Name. Contains a list of user-defined SNMP views To add a community, click the paper and pencil icon. You can configure all the fields on the SNMP Communities screen, on the new screen that appears. Then, click the Submit button to add the community. SNMP Communities Advanced Tables Management Station.
WebView Switches Defining SNMP Notification Filters The SNMP Notification Filter screen permits filtering traps based on OIDs. Each OID is linked to a device feature or a feature aspect. The SNMP Notification Filter Page also allows network managers to filter notifications. The SNMP Notification Filter screen contains the following fields: • Filter Name. Contains a list of user-defined notification filters. • Object ID Subtree. Displays the OID for which notifications are sent or blocked.
WebView Switches Defining SNMP Notification Recipients The SNMP Notification Receiver screen contains information for defining filters that determine whether traps are sent to specific users, and the trap type sent.
WebView Switches Maintenance Tab - Telnet The Telnet screen lets you connect to the Switch through telnet, a terminal emulation TCP/IP protocol. Connect Via Telnet. If you use a telnet connection, click Connect Via Telnet. The HyperTerminal screen will automatically appear. Figure 5-78: Maintenance - Telnet Maintenance Tab - Reset The Reset screen lets you reset the Switch from a remote location. Reset the Device. If you want to reset the Switch, click Reset the Device.
WebView Switches Source File Name. Enter the name of the firmware file you want to download. Destination File Name. Specify the file type, Software Image or Boot Code. Configuration Download TFTP Server IP Address. Enter the IP address of the TFTP server. Source File Name. Enter the name of the configuration file you want to download. Destination File Name. Specify the file type, Running Configuration or Startup Configuration.
WebView Switches Destination File Name. Enter the configuration file name to which the file will be uploaded. Transfer File Name. Specify the file type, Running Configuration or Startup Configuration. The Running Configuration file holds all startup file commands and commands entered during the current session. The Startup Configuration file holds the startup file commands needed by the Switch to power on or be rebooted. Click the Submit button to begin the upload of the firmware or configuration file.
WebView Switches For results on a single port, click the Edit button for that port. A new screen will appear. After clicking the Test Now button, the following columns will be updated: Test Result. This is the test result. OK indicates that the cable passed the test. No Cable means there is no cable connected to the port. Open Cable means the cable is connected on only one side. Short Cable indicates that a short has occurred in the cable. Undefined indicates that the test could not be properly performed.
WebView Switches Spanning Tree Tab - Global Settings NOTE: Spanning Tree Protocol (STP) is not supported on the SRW2016 or SRW2024 Switches. Spanning Tree Protocol (STP) provides tree topography for any bridge arrangement. STP eliminates loops by providing one path between end stations on a network. Loops occur when alternate routes exist between hosts. Loops in an extended network can cause bridges to forward traffic indefinitely, resulting in increased traffic and reducing network efficiency.
WebView Switches Path Cost Default Values. Specifies the method used to assign default path costs to STP ports. The possible field values are: Short - Specifies 1 through 65,535 range for port path costs. This is the default value. Long - Specifies 1 through 200,000,000 range for port path costs. The default path costs assigned to an interface vary according to the selected method.
WebView Switches Spanning Tree Tab - STP Interface Settings The STP Interface Settings screen shows STP properties assigned to individual ports. This screen contains the following fields: Port. Specifies the port number on which STP settings are to be to modified. STP. Enables or disables STP on the port. Port Fast. If Fast Link mode is enabled for a port, the Port State is automatically placed in the Forwarding state when the port link is up.
WebView Switches Backup-Provides a backup path to the designated port path toward the Spanning Tree leaves. Backup ports occur only when two ports are connected in a loop by a point-to-point link. Backup ports also occur when a LAN has two or more connections connected to a shared segment. Disabled-Indicates the port is not participating in the Spanning Tree. Speed. This shows the speed at which the port is operating. Path Cost. The value for this setting is 1-200000000.
WebView Switches Spanning Tree Tab on SRW2048 Switches - RSTP Interface Settings NOTE: Rapid STP is available on the SRW2048 Switches ONLY. While the classic spanning tree prevents Layer 2 forwarding loops on a general network topology, convergence can take 30-60 seconds. The delay allows time to detect possible loops, and propagate status changes. The RSTP Interface Settings screen contains the following fields: Interface. Port or LAG for which you can view and edit RSTP settings. Role.
WebView Switches one or more network layer protocols. When each of the chosen network layer protocols has been configured, packets from each network layer protocol can be sent over the link. The link remains configured for communications until explicit LCP or NCP packets close the link, or until some external event occurs. This is the actual switch port link type. It may differ from the administrative state. Point-to-Point Operational Status. The Point-to-Point operating state. Activate Protocol Migration.
WebView Switches Spanning Tree Tab on SRW2048 Switches - MSTP Properties MSTP operation maps VLANs into STP instances. Multiple Spanning Tree provides differing load balancing scenario. For example, while port A is blocked in one STP instance, the same port is placed in the Forwarding State in another STP instance. NOTE: Rapid STP is available on the SRW2048 Switches ONLY.
WebView Switches Spanning Tree Tab on SRW2048 Switches - MSTP Instance Settings NOTE: Rapid STP is available on the SRW2048 Switches ONLY. Use this screen to configure MSTP instances. Instance ID. Defines the MSTP instance. The field range is 1-15. Included VLANs. Displays VLANs mapped to the selected instance. Each VLAN belongs to one instance. Bridge Priority. Specifies the selected spanning tree instance device priority. The field range is 0-61440 in steps of 4096. Designated Root Bridge ID.
WebView Switches Spanning Tree Tab on SRW2048 Switches - MSTP Interface Settings NOTE: Rapid STP is available on the SRW2048 Switches ONLY. The MSTP Interface Settings screen contains parameters assigning MSTP settings to specific interfaces. Instance ID. Lists the MSTP instances configured on the device. Possible field range is 1-15. Interface. Assigns either ports or LAGs to the selected MSTP instance. MSTP. Indicates that MSTP is enabled on this interface. Port State.
WebView Switches Designated Bridge ID. The bridge ID number that connects the link or shared LAN to the root. Designated Port ID. The Port ID number on the designated bridge that connects the link or the shared LAN to the root. Designated Cost. Cost of the path from the link or the shared LAN to the root. Forward Transitions. Number of times the port changed to the forwarding state. Remain Hops. Indicates the number of hops remaining to the next destination.
WebView Switches Appendix A: About Gigabit Ethernet and Fiber Optic Cabling Gigabit Ethernet Gigabit Ethernet runs at speeds of 1Gbps (Gigabit per second), ten times faster than 100Mbps Fast Ethernet, but it still integrates seamlessly with 100Mbps Fast Ethernet hardware. Users can connect Gigabit Ethernet hardware with either fiber optic cabling or copper Category 5e cabling, with fiber optics more suited for network backbones.
WebView Switches Appendix B: Windows Help Almost all networking products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier. These features can be accessed through Windows Help and are described in this appendix. TCP/IP Before a computer can communicate within a network, TCP/IP must be enabled. TCP/IP is a set of instructions, or protocol, all PCs follow to communicate over a network.
WebView Switches Appendix C: Glossary Adapter - A device that adds network functionality to your PC. AES (Advanced Encryption Standard) - A security method that uses symmetric 128-bit block data encryption. Backbone - The part of a network that connects most of the systems and networks together, and handles the most data. Bandwidth - The transmission capacity of a given device or network. Bit - A binary digit. Boot - To start a device and cause it to start executing instructions.
WebView Switches DDNS (Dynamic Domain Name System) - Allows the hosting of a website, FTP server, or e-mail server with a fixed domain name (e.g., www.xyz.com) and a dynamic IP address. Default Gateway - A device that forwards Internet traffic from your local area network.
WebView Switches Full Duplex - The ability of a networking device to receive and transmit data simultaneously. Gateway - A device that interconnects networks with different, incompatible communications protocols. Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at a time. Hardware - The physical aspect of computers, telecommunications, and other information technology devices.
WebView Switches Node - A network junction or connection point, typically a computer or work station. Packet - A unit of data sent over a network. Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online. POP3 (Post Office Protocol 3) - A standard mail server commonly used on the Internet. Port - The connection point on a computer or networking device used for plugging in cables or adapters.
WebView Switches Switch - 1. A data switch that connects computing devices to host computers, allowing a large number of devices to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an electrical circuit. TCP (Transmission Control Protocol) - A network protocol for transmitting data that requires acknowledgement from the recipient of data sent.
WebView Switches Appendix D: Specifications Models SRW2016 - 16-Port 10/100/1000 Gigabit Switch with WebView SRW2024 - 24-Port 10/100/1000 Gigabit Switch with WebView SRW2048 - 48-Port 10/100/1000 Gigabit Switch with WebView SRW224G4 - 24-Port 10/100 Gigabit Switch with WebView SRW248G4 - 48-Port 10/100/1000 Gigabit Switch with WebView Standards 802.3i 10BASE-T Ethernet, 802.3u 100BASE-TX Fast Ethernet, 802.3ab 1000BASE-T Gigabit Ethernet, 802.3z Gigabit Ethernet, 802.
WebView Switches Dimensions SRW2048 : 16.93” x 1.75” x 13.78” (430 mm x 44.45 mm x 350 mm) SRW248G4 : 16.93” x 1.75” x 13.78” (430 mm x 44.45 mm x 350 mm) SRW224G4 : 16.93” x 1.75” x 7.97” (430 mm x 44.45 mm x 202.5 mm) Unit Weight SRW2016 - 7.30 lbs. (3.31 kg) SRW2024 - 7.35 lbs. (3.33 kg) SRW2048 : 8.60 lbs. (3.9 kg) SRW248G4 : 8.60 lbs. (3.9 kg) SRW224G4 : 4.41 lbs. (2 kg) Power internal switching power Certifications FCC Part15 Class A, CE Class A, UL, cUL, CE mark, CB Operating Temp.
WebView Switches Appendix E: Warranty Information LIMITED WARRANTY Linksys warrants to You that, for a period of five years (the “Warranty Period”), your Linksys Product will be substantially free of defects in materials and workmanship under normal use. Your exclusive remedy and Linksys' entire liability under this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any rebates. This limited warranty extends only to the original purchaser.
WebView Switches Appendix F: Regulatory Information FCC STATEMENT This product has been tested and complies with the specifications for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used according to the instructions, may cause harmful interference to radio communications.
WebView Switches Safety Compliance Warning: Fiber Optic Port Safety CLASS I LASER DEVICE When using a fiber optic port, never look at the transmit laser while it is powered on. Also, never look directly at the fiber TX port and fiber cable ends when they are powered on. DISPOSITIF LASER DE CLASSE I Avertissment: Ports pour fibres optiques - sécurité sur le plan optique Ne regardez jamais le laser tant qu'il est sous tension.
WebView Switches Power Cord Set U.S.A. and Canada The cord set must be UL-approved and CSA certified. The minimum specifications for the flexible cord are: - No. 18 AWG, not longer than 2 meters, or 16 AWG. - Type SV or SJ - 3-conductor. The cord set must have a rated current capacity of at least 10 A The attachment plug must be an earth-grounding type with NEMA 5-15P (15 A, 125 V) or NEMA 6-15P (15 A, 250 V) configuration.
WebView Switches La prise secteur doit se trouver à proximité de l’appareil et son accès doit être facile. Vous ne pouvez mettre l’appareil hors circuit qu’en débranchant son cordon électrique au niveau de cette prise. L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme IEC 60950. Ces conditions ne sont maintenues que si l’équipement auquel il est raccordé fonctionne dans les mêmes conditions.
WebView Switches Der Gerätestecker (der Anschluß an das Gerät, nicht der Wandsteckdosenstecker) muß einen gemäß EN 60320/ IEC 320 konfigurierten Geräteeingang haben. Die Netzsteckdose muß in der Nähe des Geräts und leicht zugänglich sein. Die Stromversorgung des Geräts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden. Der Betrieb dieses Geräts erfolgt unter den SELV-Bedingungen (Sicherheitskleinstspannung) gemäß IEC 60950.
WebView Switches Hinweis: Bei der Wahl eines Glasfasertransceivers muß für die Beurteilung der Gesamtsicherheit beachtet werden, das die maximale Umgebungstemperatur des Transceivers für den Betrieb nicht niedriger ist als die für dieses Produkts. Der Glasfasertransceiver muß auch ein überprüftes Gerät der Laser Klasse 1 sein. Environmental Statement The manufacturer of this product endeavours to sustain an environmentally-friendly policy throughout the entire production process.
WebView Switches This guide is for system administrators with a working knowledge of network management. You should be familiar with switching and networking concepts. Zielgruppe Dieser Anleitung ist fuer Systemadministratoren mit Erfahrung im Netzwerkmangement. Sie sollten mit Switch- und Netzwerkkonzepten vertraut sein.
WebView Switches Appendix G: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to your existing products at: http://www.linksys.com or ftp.linksys.
