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 Patch Release Note

Patch SB251-08
For SwitchBlade 4000 Series Switches and 
AT-9800 Series Switches

Introduction

This patch release note lists the issues addressed and enhancements made in 
patch SB251-08 for Software Release 2.5.1 on existing models of SwitchBlade 
4000 Series Switches and AT-9800 Series Switches. Patch file details are listed in 
Table 1.

This release note should be read in conjunction with the following documents:

SwitchBlade Documentation Set for Software Release 2.5.1 (Document 
Number C613-03057-00 Rev A).

AT9800 Series Switches Documentation Set for Software Release 2.5.1 
(Document Number C613-03056-00 Rev A) 

Release Note for Software Release 2.5.1 for SwitchBlade 4000 Switches and 
AT-9800 Series Switches (Document Number C613-10354-00 Rev D) 
available on the Documentation and Tools CD-ROM packaged with your 
switch, or from 

www.alliedtelesyn.co.nz/documentation/documentation.html

.

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.

Table 1: Patch file details for Patch SB251-08.

Base Software Release File

sb-251.rez

Patch Release Date

14-May-2003

Compressed Patch File Name

sb251-08.paz

Compressed Patch File Size

86524 bytes

Summary of Contents for SB251-08

Page 1: ...es Switches Document Number C613 10354 00 Rev D available on the Documentation and Tools CD ROM packaged with your switch or from www alliedtelesyn co nz documentation documentation html WARNING Using...

Page 2: ...ion of ARP and IP entries The DELETE SWITCH TRUNK PORT command could cause an unrelated port to stop forwarding packets or learn new MAC addresses This issue has been resolved so that unrelated ports...

Page 3: ...k group goes link down If the Master port in a trunk group goes link down and a Non Master port is still link up then STP will go through the Listening Learning Forwarding reconfiguration on the new M...

Page 4: ...the switch ports Features in SB251 06 Patch file details are listed in Table 3 Patch SB251 06 includes all issues resolved and enhancements released in previous patches for Software Release 2 5 1 and...

Page 5: ...control card and an M5 control card were installed and the M3 control card was acting as the Master This could cause unexpected restarts This issue has been resolved On a 48 port line card or a 32F ca...

Page 6: ...hough it was the first instance For example if 2 26 was configured as the mirror port the GUI mirror object would return 2 2 The first chip instance was not affected This issue has been resolved TCP6...

Page 7: ...d This issue has been resolved Incorrect handling of TCP sessions and poor load balancing performance could be caused by TCP virtual balancers not selecting a new resource if required This issue has b...

Page 8: ...now remain in loopback Features in SB251 02 Patch SB251 02 includes all issues resolved and enhancements released in previous patches for Software Release 2 5 1 and the following enhancements 64 bit...

Page 9: ...default traffic class percentage bandwidth is set on a QoS Policy Adding a layer 2 filter on a SwitchBlade did not block traffic to the end host as intended This issue has been resolved On a SwitchBl...

Page 10: ...t a higher level This issue has been resolved DHCP RENEW request messages are now unicast as defined in the RFC not broadcast VLAN tagged multicast packets were incorrectly being sent over untagged VL...

Page 11: ...nd slot to act as a slave has been resolved Support has been added to allow for multicasting to any number of overlapping VLANs up to the maximum number of multicast forwarding entries An issue with p...

Page 12: ...12 Patch Release Note Patch SB251 08 for Software Release 2 5 1 C613 10361 00 REV H...

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