AT-S39 Version 3.0.1 Management Software Release Notes AT-S39 Version 3.0.1 Management Software for the AT-8000 Series Fast Ethernet Switches Software Release Notes Please read this document before you begin to use the AT-S39 management software. Supported Platforms AT-S39 Version 3.0.
AT-S39 Version 3.0.1 Management Software Release Notes Contents Page Upgrading from AT-S39 Version 1.4.2 or later to Version 3.0.1 New AT-S39 Version 3.0.1 New Features Resolved Issues Operational Notes Previous Version 3.0 New Features Resolved Issue Previous Version 2.1 New Feature Previous Version 2.0 New Features Resolved Issues Previous Version 1.4.2 New Features Resolved Issues Previous Version 1.4.1 Resolved Issues Previous Version 1.4 New Features Resolved Issues Previous Version 1.3.
AT-S39 Version 3.0.1 Management Software Release Notes Upgrading from AT-S39 Version 1.4.2 or later to AT-S39 Version 3.0.1 This section contains the procedure for upgrading a switch running Version 1.4.2 or later to Version 3.0.1 from a local management session using the Xmodem protocol. (You can also load the new software using TFTP, as explained in the AT-S39 User’s Guide.) The current switch configuration information, such as IP address and VLANs, is retained when new management software is installed.
AT-S39 Version 3.0.1 Management Software Release Notes The following menu is displayed. (The menu may differ depending on the version of management software on the switch.) Allied Telesyn AT-8024 Ethernet Switch Xmodem Downloads & Uploads 1 - Xmodem Image/Boot Loader Download 2 - Xmodem Config Download 3 - Xmodem Image Upload 4 - Xmodem Config Upload R - Return to Previous Menu Enter your selection: Figure 1 Xmodem Downloads & Uploads Menu 4. Type 1 to select Xmodem Image/Bootloader Download.
AT-S39 Version 3.0.1 Management Software Release Notes The Send File window in Figure 3 is displayed. Figure 3 Send File Window 8. Click the Browse button and specify the location and filename of the new AT-S39 software image. 9. Click the Protocol field and select as the transfer protocol either Xmodem or, for a faster download, 1K XModem. 10. Click Send. The software immediately begins to download onto the switch. The Xmodem File Send window in Figure 4 displays current status of the software download.
AT-S39 Version 3.0.1 Management Software Release Notes Note Do not interrupt the initialization process. Do not reboot the switch. Once the switch has finished initializing the software, the following prompt is displayed: Please press key TWICE proceed with Switch Reboot ... 11. Press the Return key twice. The switch reboots and loads the new management software. 12. Once the switch has finished rebooting, press the Return key twice again to reestablish your management session.
AT-S39 Version 3.0.1 Management Software Release Notes New AT-S39 Version 3.0.1 New Features • TFTP from a Local Management Session You can now use TFTP, in addition to the Xmodem protocol, to download and upload files from a local management session. • Clearing the Statistics Counters from a Web Browser Management Session You can now clear the statistics counters from a web browser management session.
AT-S39 Version 3.0.1 Management Software Release Notes • New SET SWITCH TRUNK Command This new command line interface command changes the load distribution method of an existing port trunk. The format of the command is: SET SWITCH TRUNK=1 SELECT=MACSRC|MACBOTH The MACSRC option configures the trunk for Source Address Trunking. The MACBOTH option configures the trunk for Source Address/Destination Address Trunking. Refer to the AT-S39 User’s Guide for a description of the load distribution methods.
AT-S39 Version 3.0.1 Management Software Release Notes • Statistics for an AT-8024GB The statistics counters for an AT-8024GB switch displayed incorrect values. This problem has been resolved. • Port 1 in a Port Trunk You could not delete Port 1 from a port trunk. This problem has been resolved. • STP and RSTP Port Costs for an AT-8024M The management software periodically assigned incorrect default STP and RSTP port costs to ports on expansion modules. This problem has been resolved.
AT-S39 Version 3.0.1 Management Software Release Notes • Detection of Denial of Service Attacks The management software can detect excessive amounts of management packets, which can be an indication of a denial of service attack. The switch responds by displaying the following message on the console port: ATTENTION: Switch is receiving unusual volume of Management traffic. Possible DENIAL OF SERVICE ATTACK .... Please check you network.
AT-S39 Version 3.0.1 Management Software Release Notes • Expansion Modules and Port Trunks An expansion slot cannot be made part of a port trunk unless an expansion module has been installed. • Broadcast Frame Control on Expansion Modules Broadcast frame control is not reliable when used on ports on expansion modules. For this reason it is not recommended that you use this feature to regulate the flow of broadcast frames on expansion modules.
AT-S39 Version 3.0.1 Management Software Release Notes Previous Version 3.0 New Features The following new features have been added to Version 3.0: • Support for the AT-8016F Switch • TACACS+ and RADIUS authentication protocols • Rapid Spanning Tree Protocol • STP Fast Port Mode For information on these new features, refer to the AT-S39 User’s Guides.
AT-S39 Version 3.0.1 Management Software Release Notes • Web Browser Management Below are new web browser management functions: • - Enhanced stacking - Resetting a switch - Pinging a remote system - Displaying IGMP host nodes and multicast routers - Adding static multicast addresses Command Line Interface The AT-S39 software now features a command line interface for configuring a switch’s parameters from a command line prompt.
AT-S39 Version 3.0.1 Management Software Release Notes • STP Values The switch would periodically fail to save STP settings. This issue has been resolved. • Web Browser Management A switch would periodically fail if managed from a web browser. This issue has been resolved. • IP Parameters from a BOOTP or DHCP Server The switch would fail to obtain its IP configuration from a BOOTP or DHCP server if STP was enabled. This issue has been resolved.
AT-S39 Version 3.0.1 Management Software Release Notes Previous Version 1.4.1 Resolved Issues • Releasing an IP Address The switch, when reset or power cycled, would not automatically release an IP address obtained from a BOOTP or DHCP server. Instead, the address would have to be manually released using the L - Release DHCP IP Address command in the Administration Menu. This issue has been resolved.
AT-S39 Version 3.0.1 Management Software Release Notes • Default Values Not all switch values were returned to their default values when the Reset to Factory Default option was selected. This issue has been resolved. • STP and Port LED A port’s LED would continue to blink after the cable had been disconnected if the port was in the STP blocking state. This issue has been resolved. • Default VLAN and PVIDs The PVID of a port was not set correctly if it was moved to the Default VLAN as an untagged port.
AT-S39 Version 3.0.1 Management Software Release Notes • Console Timeout Value The following changes have been made to the console timeout value: - A new timeout value is activated immediately on the switch. Resetting the switch to activate a change is no longer necessary. - The console timeout value now also applies when logging in to a management session. If a password is not entered after the specified period of time, the log in is canceled.
AT-S39 Version 3.0.1 Management Software Release Notes Previous Version 1.3.1 New Features • Port Status in a Web Browser Management Session You can display the status of multiple ports simultaneously from a web browser management session. In previous software versions you could display the status of only one port at a time.
AT-S39 Version 3.0.1 Management Software Release Notes Previous Version 1.3 New Features • Simplified Software Downloads through a Local Management Session A new item has been added to the Administration menu to simplify the task of downloading files, such as software images or configuration files, onto a switch from a local management session. The new Xmodem File Transfer menu selection eliminates the need for invalidating the current software image when installing new software.
AT-S39 Version 3.0.1 Management Software Release Notes Previous Version 1.1 New Features • SNMP This version supports SNMP version 1 and version 2c. The software supports the following Management Information Bases (MIBs): • - SNMP MIB-II (RFC 1213) - Bridge MIB (RFC 1493) - Interface Group MIB (RFC 1573) - Ethernet MIB (RFC 1643) - Remote Network MIB (RFC 1757) - Allied Telesyn managed switch MIB IGMP Snooping This version supports IGMP snooping version 1 and version 2.
AT-S39 Version 3.0.1 Management Software Release Notes Resolved Issues • Bridge Protocol Data Units (BPDUs) The switch would drop tagged BPDUs. This problem has been resolved. • Port Status Window The Port Status window would periodically display a port’s VLAN ID as “0”. This problem has been resolved. • Spanning Tree Protocol (STP) STP periodically failed to place ports of redundant paths into a blocking state, resulting in network loops. This problem has been resolved.
AT-S39 Version 3.0.1 Management Software Release Notes Contacting Allied Telesyn Technical Support You can contact Allied Telesyn technical support online or by telephone or e-mail. Online Support You can request technical support online by accessing the Knowledge Base at http://kb.alliedtelesyn.com. You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions.
