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2 Patch Release Note
Patch 86251-08 for Software Release 2.5.1
C613-10356-00 REV I
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:
Features in 86251-08
Patch 86251-08 includes all issues resolved and enhancements released in
previous patches for Software Release 2.5.1, and the following enhancements:
The device responded when it received a directed broadcast ICMP echo
request that was in its supernet, but not its subnet. This issue has been
resolved.
An incorrect object ID (OID) was being returned for Fan/PSU in SNMP v1
trap messages.This issue has been resolved.
Session-only counters have been added to the MIB entry for BGP peers.
Interoperating with other vendors implementations of ISAKMP was
occasionally causing errors following key exchanges. This relates to
differing implementations of the RFC regarding the retention of leading
zeros. This issue has been resolved by modifying the software to retain
leading zeros. An additional command provides compatibility with routers
that still use previous software versions. The command details are:
SET ENCO DHPADDING={ON|OFF}
This command controls the padding process for Diffie Hellman generated
values. This may be required when interoperability is required with other
vendor’s equipment that uses the Diffie Hellman algorithm.
The DHPADDING parameter specifies whether the Diffie Hellman
generated values should be padded or not. If ON is specified, then leading
zeros will be inserted into the generated values. If OFF is specified, then the
generated values will not be padded. The default is ON.
For example, to turn off the Diffie Hellman padding, use the command:
SET ENCO DHPADDING=OFF
Also, the output of the SHOW ENCO command now contains a new line
showing the setting for DHPADDING.
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.
PCR: 03179 Module: IPG Level: 3
PCR: 03359 Module: CORE Level: 3
PCR: 03527 Module: BGP Level: 4
PCR: 03622 Module: ENCO Level: 2