MG7550 16x4 DOCSIS 3.0 Cable Modem plus AC1900 Router User Manual VER: 1.
MG7550 Cable Modem User Manual Contents 1 Safety Precautions ............................................................................................. 1 2 Overview ............................................................................................................ 2 3 2.1 Application ............................................................................................. 2 2.2 Features ................................................................................................
MG7550 Cable Modem User Manual 5.4 5.5 5.6 5.7 6 5.3.6 Port Triggers ............................................................................. 29 5.3.7 RIP Setup ................................................................................. 29 5.3.8 DMZ Host.................................................................................. 32 Wireless ............................................................................................... 33 5.4.1 Basic .............................
MG7550 Cable Modem User Manual 1 Safety Precautions Read the following information carefully before operating the device. Please follow the following precaution items to protect the device from risks and damage caused by fire and electric power: Use volume labels to mark the type of power. Use the power adapter that is packed within the device package. Pay attention to the power load of the outlet or prolonged lines.
MG7550 Cable Modem User Manual 2 Overview The MG7550 is targeted towards DOCSIS3.0 cable modem and gateway. With sixteen downstream channels and four upstream channels, it supports up to 600Mbs/160Mbs.The MG7550 incorporates a variety of industry standard peripheral interfaces including dual IEEE802.3 10/100/1000Mbps interface, one with integrated GPHY. The MG7550 supports WLAN access. It complies with IEEE 802.11,802.11b/g,802.11n and 802.11ac specifications, WEP, WPA, and WPA2 security specifications.
MG7550 Cable Modem User Manual File server for network attached storage (NAS) devices Web filtering Remote update System statistics and monitoring 2.3 Standards Compatibility and Compliance Support application level gateway (ALG) DOCSIS3.0 IEEE 802.3 IEEE 802.3u IEEE 802.11b IEEE 802.11g IEEE 802.11n IEEE 802.
MG7550 Cable Modem User Manual 3 Hardware Description and Hardware Installation 3.1 Hardware Description 3.1.1 Front Panel The following table describes the indicators on the front panel. Indicator Color Power Green Status Description The device is powered on and the device On operates normally. Off Green D/S Blue Green The device is powered off. On CM has locked D/S frequency Blink CM scan D/S frequency Off Device is powered off.
MG7550 Cable Modem User Manual Indicator Color 1/2/3/4 WLAN Status Description Data is being transmitted through the Blink Green Ethernet interface. Off The Ethernet interface is disconnected. On WLAN is enabled. Data is being transmitted through the Blink wireless interface. Off WLAN is disabled. Connection On WPS Green succeeds under Wi-Fi Protected Setup. Negotiation is in progress under Wi-Fi Blink Protected Setup. Off Wi-Fi Protected Setup is disabled. 3.1.
MG7550 Cable Modem User Manual Do not press the Reset button unless you want to clear the current settings. The Reset button is in a small circular hole on the rear panel. If you want to restore the default settings, please press the Reset button gently for 5 second with a fine needle inserted into the hole and then release the button. The system reboots and returns to the factory defaults. 3.2 Hardware Installation 3.2.1 Connecting the Device Please follow the steps below to connect the device.
MG7550 Cable Modem User Manual 4 4.1 PC Network Configuration and Login PC Network Configuration Each network interface on the PC should either be configured with a statically defined IP address and DNS address, or be instructed to automatically obtain an IP address using the network DHCP server. MG7550 provides a DHCP server on its LAN and it is recommended to configure your LAN to automatically obtain its IP address and DNS server IP address.
MG7550 Cable Modem User Manual Figure 1 IP and DNS configuration TCP/IP configuration steps for Windows 7 are as follows: Step1 Choose Start > Control Panel > Network Connections. Step2 Right-click the Ethernet connection icon and choose Properties. Step3 On the General tab, select the Internet Protocol (TCP/IP) component and click Properties.
MG7550 Cable Modem User Manual Step4 The Internet Protocol (TCP/IP) Properties window appears. Step5 Select the Obtain an IP address automatically radio button. Step6 Select the Obtain DNS server address automatically radio button. Step7 Click OK to save the settings. 4.2 Logging In to the MG7550 Cable Modem To log in to the MG7550 cable modem, do as follows: Step1 Step2 Open a Web browser on your computer. Enter http://192.168.0.
MG7550 Cable Modem User Manual Figure 2 Login page After logging in to the MG7550 cable modem, it will show the CM Basic Status info. click on the Advanced options you can query, configure, and modify all the settings, and diagnose the system.
MG7550 Cable Modem User Manual 5 Web-Based Management This chapter describes how to use Web-based management of the Cable Modem, which allows you to configure and control all of cable modem residential gateway features and system parameters in a user-friendly GUI. 5.1 Status Choose Status, and the submenus of Status are shown as below. Figure 3 Submenus of status 5.1.1 Software Choose Status > Software and the following page appears.
MG7550 Cable Modem User Manual address, cable modem IP address,serial number and CM Certificate status. 5.1.2 Connection Choose Status > Connection and the following page appears.
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MG7550 Cable Modem User Manual Figure 5 Connection information This page displays information about the RF upstream and downstream channels, including downstream channel frequencies, upstream channel IDs, and upstream and downstream signal power and modulation. This page also displays IP lease information, including the current IP address of the cable modem, the duration of both leases, the expiration time of both leases, and the current system time from the DOCSIS timeserver.
MG7550 Cable Modem User Manual Traceroute allows you to map the network path from the CM/RG to a public host. Selecting Traceroute from the drop-down Utility list will present alternate controls for the traceroute utility: To run either utility, make any changes to the default parameters and select Start Test to begin. The window will automatically be refreshed as the results are displayed in the Results table. 5.1.4 Security Choose Status > Security and the following page appears.
MG7550 Cable Modem User Manual 5.1.5 Event Log Choose Status > Event Log and the following page appears. Figure 8 Event Log information The Event Log displays information about your cable modem's connection to your service provider. This information may be particularly helpful if you experience problems with your connection. 5.2 Basic Router Choose Basic Router and the submenus of Basic Router are shown as below. Figure 9 Submenus of Basic Router 5.2.
MG7550 Cable Modem User Manual Figure 10 Setup configuration Enter the information from the Required Information section as indicated: At this point, the CM/RG is configured for basic use. To connect to the Internet, you must do the following: 1. Power up the CM/RG and wait for it to register with the CMTS and obtain an Internet-routable IP address 2. Get an IP lease from the internal DHCP server for each PC attached to the CM/RG.
MG7550 Cable Modem User Manual Figure 11 Reload page Simply wait for the modem to reboot and click on the “Refresh” link to re-enter the web interface where you made your last change. Most configuration items may be changed on the fly without a reboot. 5.2.2 DHCP Choose Basic Router > DHCP, and the following page appears.
MG7550 Cable Modem User Manual Figure 12 DHCP configuration This page allows configuration and status of the optional internal DHCP server for the LAN. If you have your own DHCP server servicing the LAN side (or choose to “hardcode” all of your PC’s IP addresses), you can disable the internal DHCP server by chose the Disabled. If you do this, make sure the IP address assigned to the CM/RG is on the same subnet as the external DHCP server (the subnet mask is always 255.255.255.
MG7550 Cable Modem User Manual 192.168.0.2 through 192.168.0.9 can be used as hard-coded IP addresses with no fear of IP address conflict with the DHCP pool. Configured WINS server addresses can also be passed to CPEs behind the CM/RG via DHCP. 5.2.3 DHCPv6 Choose Basic Router > DHCPv6 , and the following page appears. Figure 13 DHCPv6 configuration This page allows configuration of the internal DhcpV6 server for the LAN.
MG7550 Cable Modem User Manual 5.2.4 LAN IPv6 Choose Basic Router> LAN IPv6 and the following page appears. Figure 14 LAN IPv6 information This page displays information related to IPv6 on the LAN. 5.2.5 DDNS Choose Basic Router > DDNS , and the following page appears. Figure 15 DDNS configuration This page is used to configure DDNS.
MG7550 Cable Modem User Manual The CM/RG supports a dynamic DNS client compatible with the Dynamic DNS service (http://www.dyndns.com/). To activate the DDNS client: 1. Go to the Dynamic DNS website and create an account for the Dynamic DNS service. You will create a username and password, and be asked to choose a host name for your server, and the dynamic DNS domain to which your host will be assigned. You will also be asked for your host’s current IP address.
MG7550 Cable Modem User Manual configuration, or to recover from changes you may have made that have had an undesirable effect. To back up the current configuration, click Backup and follow the prompts. To restore a previous configuration, click Browse and use the navigation window to locate the file. saving.) (Usually GatewaySettings.bin, unless you rename it before Once the file has been located, click Restore to restore the settings. Note that once the settings are restored, the device will reboot.
MG7550 Cable Modem User Manual Figure 18 Options configuration This page allows you to configure the accessible features.To enable a feature, click the appropriate check box until it is “checked”. selections, click on the Save button. When you are satisfied with your These features can be modified on the fly without a system reset.
MG7550 Cable Modem User Manual visible from the Internet. This makes it difficult for hackers to discover your WAN IP address and launch an attack on your private LAN. IpSec PassThrough enables a VPN device or VPN software located behind your cable modem/router and running IpSec to communicate successfully with endpoints on the Internet.
MG7550 Cable Modem User Manual Figure 19 IP Filtering configuration This page allows you to configure the CM/RG to prevent local PCs from getting access to the WAN by specifying those IP addresses that should be filtered. By entering starting and ending IP address ranges, you can configure which local PCs are denied access to the WAN. Note that you only need to enter the LSB (Least-significant byte) of the IP address; the upper bytes of the IP address are set automatically from the CM/RG IP address.
MG7550 Cable Modem User Manual Figure 21 Port Filtering configuration This page is used to prevent PCs from sending outgoing TCP/UDP traffic to the WAN on specific IP port numbers. By specifying a starting and ending port range, you may determine what TCP/UDP traffic is allowed out to the WAN on a per-port basis. Note the specified port ranges are blocked for ALL PCs and this setting is not IP address or MAC address specific.
MG7550 Cable Modem User Manual Figure 22 Forwarding configuration This allows for incoming requests on specific port numbers to reach web servers, FTP servers, mail servers, etc. so they can be accessible from the public internet. A table of commonly used port numbers is also provided.
MG7550 Cable Modem User Manual 5.3.6 Port Triggers Choose Advanced Router > Port Triggers to display the following page. Figure 23 Port Triggers configuration Port Triggers are similar to Port Forwarding except that they are not static ports held open all the time. When the CM/RG detects outgoing data on a specific IP port number set in the “Trigger Range”, the resulting ports set in the “Target Range” are opened for incoming (or sometimes referred to as bi-directional ports) data.
MG7550 Cable Modem User Manual Figure 24 RIP configuration RIP (Router Information Protocol) is used in WAN networks to identify and use the best known and quickest route to given destination addresses to help reduce network congestion and delays. NOTE: RIP messaging will only be sent upstream when running in Static IP Addressing mode on the Basic – Setup page.
MG7550 Cable Modem User Manual 5.) To specify a RIP unicast destination IP address, enter the IP address and subnet mask. To enable the CMTS for RIPv2 with MD-5 authentication (Cisco uBR example shown below): 1.) The following steps go through configuring RIPv2 for a Cisco CMTS. The network number used in this configuration will vary from network to network so use the network number that matches your set-up.
MG7550 Cable Modem User Manual 7223#term mon The CMTS is now configured to accept RIPv2 messages. If the CM/RG is registered on the CMTS, you should see messages that are similar to the message below: 00:28:41: RIP: received packet with MD5 authentication 00:28:41: RIP: received v2 update from 10.24.81.148 on Cable2/0 00:28:41: 10.24.81.0/24 via 10.24.81.148 in 1 hops The CM/RG has broadcast that is connected to the network 10.24.81.0/24 through the interface 10.24.81.148.
MG7550 Cable Modem User Manual Figure 25 DMZ Host configuration DMZ (De-militarized Zone) hosting (also commonly referred to as “Exposed Host”) allows you to specify the “default” recipient of WAN traffic that NAT is unable to translate to a known local PC. This can also be described as a computer or small sub-network that sits between the trusted internal private LAN, and the untrusted public Internet. You may configure one PC to be the DMZ host.
MG7550 Cable Modem User Manual Figure 27 Basic configuration This page allows you to configure the Primary Wireless Network. Primary Network: Enable or Disable the primary network. Guest networks may still be operational when the primary network is disabled. Network Name (SSID): Sets the Network Name (also known as SSID) of the primary network. This is a 1-32 ASCII character string.
MG7550 Cable Modem User Manual These issues are more likely to be encountered in the 2.4 GHz band where legacy (802.11b/g) devices may be operating using 20 MHz channels. Sideband for Control Channel (40 MHz only): Whether the 20 MHz control channel uses the upper or lower half of the 40 MHz channel. Changes to this setting may change the control channel setting. For example (in the 2.
MG7550 Cable Modem User Manual Figure 29 WPS_RADIUS_WEP configuration This page allows you to configure the WPS_RADIUS_WEP 36
MG7550 Cable Modem User Manual WPS Enable/Disable: WPS stands for Wi-Fi Protected Setup. WPS provides two methods to automatically distribute wireless keys to clients that support this feature, described below. For the record, as of July, 2015, Apple devices did not support WPS. WPS Client PIN Method: On your client device, run a utility to generate a WPS PIN. Copy the PIN that the client generates and enter it here, then press the Save button.
MG7550 Cable Modem User Manual 802.11n Mode: Set this parameter to OFF to force 802.11g mode (required to enable WEP). The default value is Auto. WEP Encryption: Disabled and grayed out by default. If you need WEP Encryption, set 802.11n Mode to OFF to un-gray out, and then Enable this parameter. Network Key 1 thru Network Key 4: When WEP encryption is enabled, sets the static WEP keys. Enter 5 ASCII characters or 10 hexadecimal digits for a 64-bit key.
MG7550 Cable Modem User Manual The page allows you to configure a secondary guest network on the wireless interface. Select Guest Network: This is a pull down of Moto_Guest0 to Moto_Guest7. Guest Network Status: Enable or Disable the Guest Network selected above. Guest Network Name (SSID): Either accept the default Network Name, or change the name by entering the new name here, and clicking the Save button. WPA-PSK / WPA2-PSK Security Key / Password: Enter a key here, and click the Save button to save it.
MG7550 Cable Modem User Manual Figure 31 Access configuration This page allows you to control which wireless clients can access your wireless network. It also provides information about wireless clients connected to your access point. Connected Clients: A list of connected wireless clients. When a client connects (associates) to the network, it is added to the list; when a client leaves (disassociates) from the network, it is removed from the list.
MG7550 Cable Modem User Manual receive signal strength (in dBm), IP address, and host name are presented. The age is the amount of time elapsed since data was transmitted to or received from the client. 5.4.6 Advanced Choose Wireless > Advanced to display the following page.
MG7550 Cable Modem User Manual Figure 32 Advanced configuration This page allows you to configure advanced wireless settings. Output Power: Control the range of the AP by adjusting the radio output power.
MG7550 Cable Modem User Manual OBSS Coexistence: OBSS coexistence refers to the ability of your device to support 20 MHz clients within 40 MHz channels. It also allows your device to reduce interference from nearby 20 MHz devices that are interfering with part of your device's 40 MHz channel. Hide SSID (Closed Network): When this feature is enabled, the SSID is not broadcast. Therefore, only devices that already know the SSID will be able to connect.
MG7550 Cable Modem User Manual 802.11n Protection: 802.11n Protection protects legacy 802.11b&g devices that are within range of your cable modem/router. This feature is enabled (Auto) by default. In some environments with no legacy devices, you may improve performance by disabling this feature. Basic Rate Set: Determines which rates are advertised as “basic” rates. Default uses the driver defaults. Sets all available rates as basic rates.
MG7550 Cable Modem User Manual Wireless Multicast Forwarding (WMF): Multicast involves sending the same packets to two or more endpoints, for example of a video stream. 5.4.7 WMM Choose Wireless > WMM to display the following page.
MG7550 Cable Modem User Manual Figure 33 WMM configuration This page allows you to configure WiFi Multi-Media (WMM). WMM is an implementation of Quality of Service (Qos) which is defined by the IEEE standard 802.11e. WMM Support: Sets WMM support. Choices are Auto, On, or Off. If enabled (Auto or On), the WME Information Element is included in beacon frame. No-Acknowledgement: Sets No-Acknowledgement support. Choices are On or Off. When enabled, acknowledgments for data are not transmitted.
MG7550 Cable Modem User Manual 5.4.8 Scan/Bridging Choose Wireless > Scan/Bridging to display the following page. Figure 34 Scan/Bridging configuration This page allows you to configure wireless bridging, which is also known as Wireless Distribution System (WDS). Bridging allows you connect multiple wireless access points together to form a single network using wireless point-to-point links. Wireless Bridging: This setting enables or disables wireless bridging.
MG7550 Cable Modem User Manual Figure 35 submenus of Protection & Parental Control 5.5.1 Firewall Basic Choose Protection & Parental Control> Firewall Basic to display the following page. Figure 36 Firewall Basic configuration This page is used to block or exclusively allow different types of data through the CM/RG from the WAN to the LAN. The “low” setting does not block any services/ports, however it does protect against invalid packets and well known attacks.
MG7550 Cable Modem User Manual Block Fragmented IP packets prevent all fragmented IP packets from passing through the firewall. Port Scan Detection detects and blocks port scan activity originating on both the LAN and WAN. IP Flood Detection detects and blocks packet floods originating on both the LAN and WAN. The Save button must be clicked in order to activate any of the checkbox items. All of these settings can be activated on-the-fly without a CM/RG reboot. 5.5.
MG7550 Cable Modem User Manual 5.5.3 Parental Control Choose Protection & Parental Control > Parental Control to display the following page. Figure 38 Parental Control configuration Parental Control: Parental Control lets you define lists of blocked or allowed addresses. If you define Blocked addresses for particular devices on your network, those devices can reach all websites except the Blocked addresses.
MG7550 Cable Modem User Manual the entry. Note that you can Disable the entry temporarily if you may want to re-Enable it later. List of Allowed Addresses: Enter the MAC Address of the device you want to allow access to a particular site. (Check the user documentation for the device if you need help finding its MAC Address). Then enter the URL of the web site whose access you want to allow. Next, if you want to allow access only during certain times enter the days and start and end times of the access.
MG7550 Cable Modem User Manual Figure 40 IPSec configuration This page will show the status of configured tunnels. Tunnel: This is a pull-down list of VPN Names defined below. Select the specific VPN tunnel to configure. Name: Enter a VPN name and click Add New Tunnel. 5.6.2 L2TP/PPTP Choose VPN > L2TP/PPTP to display the page below.
MG7550 Cable Modem User Manual Figure 41 L2TP/PPTP configuration This page allows configuration of L2TP and PPTP server options. 5.6.3 Event Log Choose VPN > Event Log to display the following page.
MG7550 Cable Modem User Manual Figure 42 Event Log information This page allows you to view the VPN Event Log. 5.7 Logout Choose Logout to logout Account and the following page will be shown after logout.
MG7550 Cable Modem User Manual 6 Q&A (1) Q: Why all the indicators are off? A: Check the following: The connection between the power adaptor and the power socket. The status of the power switch. (2) Q: Why the Ethernet indicator is off? A: Check the following: The connection between the Cable Modem and your computer, hub, or switch. The running status of your PC, hub, or switch. (3) Q: Why the ONLINE indicator is off? A: Check CM DS/US LED is on.
MG7550 Cable Modem User Manual FCC statement Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits 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.
