Allied Telesis AT-9800 Series user manual

Summary of the content on the page No. 1

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 Table 1.
Table 1: Release file details for release SB273-01.
SB-273.rez
Base Software Release File
Maintenance Release Date April

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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

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Release sb273-01 3 CR00007034 Module: Firewall Level: 1 A reboot could occur while ageing out Firewall sessions when the device was under heavy load and had many active Firewall sessions. This issue has been resolved. (No PCR number.) CR00007695 Module: PPP Level: 1 When either the Firewall was enabled or multiple L2TP tunnels were configured, and a default route existed over an L2TP tunnel, it was possible for an infinite internal packet loop to be created when a packet was sent over the L

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4 Features in sb273-01 Software Maintenance Release Note CR00007417 Module: ATM,ENCO Level: 2 Previously, when the packet overhead limits were exceeded, some packets were being silently dropped by SQoS. This issue has been resolved. Additionally, extra checking has been added to the ATM process so that it will explicitly drop, and count, any packets that still exceed the overhead limit. This will aid in the diagnosing of any other cases where packets are being dropped. (No PCR number.) CR000

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Release sb273-01 5 CR00007521 Module: IPG Level: 3 DVMRP packets were being dropped due to packet length inconsistencies from other vendor devices. This issue has been resolved. (No PCR number.) CR00007686 Module: ATM Level: 3 If ATM is receiving a OAM loopback cell (normal from an ISP) at regular intervals then it may cause a reboot. This fix stops this behaviour and will also stop some other random packet corruption. This issue has been resolved. (PCR number: 50064) CR00007716 Module: LOG