Allied Telesis AT-9800 User Manual

Software Maintenance Release Note
Release sb273-01 For SwitchBlade 4000 Series Switches and
AT-9800 Series Switches

Introduction

This software maintenance release note lists the issues addressed, and enhancements made, in patch SB273-01 for Software Release 2.7.3 on existing models of the SwitchBlade and AT-9800 series switches. Release file details are listed in Ta bl e 1.

Table 1: Release file details for release SB273-01.

Base Software Release File
Maintenance Release Date
Compressed Release File Name
Compressed Release File Size
This release note should be read in conjunction with the following documents:
SwitchBlade document Set for Software Release 2.7.3 (Document Number
C613-03100-00 REV A).
AT-9800 Series Switches Documentation Set for Software Release 2.7.3
(Document Number C613-03101-00 REV A).
WARNING: Using a patch for a different model or software release may cause unpredictable results, including disruption to the network. Information in this release note is subject to change without notice and does not represent a commitment on the part of Allied Telesyn International. While every effort has been made to ensure that the information contained within this document and the features and changes described are accurate, Allied Telesyn International can not accept any type of liability for errors in, or omissions arising from the use of this information.
SB-273.rez
April 22 2005
SB262-01.rez
91,532 bytes
2 Enabling and installing this Release Software Maintenance Release Note
Some of the issues addressed in this Release Note include a level number. This number reflects the importance of the issue that has been resolved. The levels are:
Level 1 This issue will cause significant interruption to network services, and
there is no work-around.
Level 2 This issue will cause interruption to network service, however there
is a work-around.
Level 3 This issue will seldom appear, and will cause minor inconvenience.
Level 4 This issue represents a cosmetic change and does not affect network
operation.

Enabling and installing this Release

To use this maintenance release you must have a base release license for Software Release 2.7.3. Contact your distributor or reseller for more information.
To enable this release and install it as the preferred release, use the commands:
enable rel=sb273-01.rez num=2.7.3
set install=pref rel=sb273-01.rez

Features in sb273-01

sb273-01.rez includes the following issues resolved and enhancements released:

Level 1

CR00005227 Module: SWI, RSTP, SWMX,
SWCX, SW56
A heavy processor load could lead to queuing RSTP BPDUs, which in turn could lead to even more processor load, resulting in more queued BPDUs. This issue has been resolved by improving the efficiency in the interaction between RSTP TCN BPDUs and the hardware tables.
This issue has been resolved. (PCR number: 40672)
Level: 1
CR00006609 Module: LB Level: 1
When failover occurred between a redundant pair of Load Balancing devices, host ARP caches were not updated with the new Master's MAC address, thus causing the hosts to lose connectivity until their ARP caches timed out the stale entry. This issue has been resolved. (No PCR number.)
C613-10436-00 Rev A
Release sb273-01
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