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2 Patch Release Note
Patch 86261-04 for Software Release 2.6.1
C613-10386-00 REV D
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 86261-04
Patch 86261-04 includes all issues resolved and enhancements released in
previous patches for Software Release 2.6.1, and the following enhancements:
When RIP demand mode was enabled, and one interface changed to a
reachable state, the triggered Request packet was not sent from that
interface, and triggered Response packets were not sent from all other RIP
interfaces. This resulted in slow convergence of routing tables across the
network. This issue has been resolved.
Support has been added for the AT-AR021 (S) BRI-S/T PIC (Port Interface
Card) with basic rate ISDN.
RIP did not send the correct next hop address if the route originated from a
different subnet to that of the egress interface. This issue has been resolved.
If an IPv6 filter that blocked traffic on a VLAN interface was removed, the
traffic was still blocked. This issue has been resolved.
Occasionally an error occurred with OSPF’s route table calculation, so all
routes in the network were not discovered. The error only happened with a
network topology that involved connections between routers via both a
Point to Point link and a transit network link. This issue has been resolved.
A new command has been added that forces a route table recalculation by
rerunning the Shortest Path First calculation. The command is:
RESET OSPF SPF [DEBUG]
If DEBUG is specified, debugging information for the route table calculation
is output to the port from which the command was executed. SPF
debugging can be turned on for every route table calculation using the
ENABLE OSPF DEBUG=SPF command, but this will be overridden if
DEBUG is specified with the RESET OSPF SPF command.
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: 03910 Module: IPG Level: 3
PCR: 03927 Module: BRI
PCR: 03967 Module: IPG Level: 2
PCR: 03970 Module: IPV6 Level: 3
PCR: 03978 Module: OSPF Level: 3