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Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Caveats
Resolved Caveats—Cisco IOS Release 12.0(33)S3
See attachments for configuration information.
Workarounds:
1. For condition 1, the workaround is to remove the tag-switching command configured on all the
affected VRF interfaces and then do a shutdown.
2. For condition 2, there is no workaround because an interface can go down when the underlying
L1/L2 layer goes down.
Further Problem Description: See attachments for topology and router configurations.
• CSCsr88705
Symptoms: Redistributed routes are not being advertised after a neighbor flap.
Conditions: This symptom is observed if BGP is redistributing local routes and if there are multiple
neighbors in the same update-group and then a neighbor flaps. For the flapped neighbor, some
redistributed routes are not being advertised.
Workaround: Undo and redo the redistribution.
• CSCsu23084
Symptoms: The secondary RP crashes continuously.
Conditions: This symptom is observed in any Cisco IOS Release 12.0(33)S image, subject to
following:
–
Redundancy mode SSO.
–
Several Link-bundling subinterfaces with service policies attached (Scaled Environment).
–
More than 1 Engine 3 Members.
The secondary RP will crash when it is coming up, if the primary RP is already up and configured.
Examples of this behavior:
–
Switchover.
–
The primary comes up first; the secondary is manually booted later.
Workaround: Change the redundancy mode to RPR or RPR+ to avoid the crash.
• CSCsu32015
Symptoms: A ping fails across Frame Relay subinterfaces over a non- channelized SPA.
Conditions: The ping fails across Frame Relay subinterfaces when:
–
The channelized SPA is used on a bay and there are approximately 30 or more interfaces that
are created and used.
–
That SPA is later removed and moved to some other bay or to some other slot.
–
And this current empty bay is then used for a non-channelized SPA and for Frame Relay
subinterface circuits.
Workaround: There is no workaround.
• CSCsu33246
Symptoms: IPv6 PIM RP embedded functionality is not working properly in Cisco IOS
Release 12.0(32)S or Release 12.0(32)SY even after the fix for CSCsf28907.
Conditions: If a first-hop router (that is connected to the IPv6 multicast source) is configured for a
PIM RP embedded operation, the register packets will not be sent to the RP and the mroute table
will remain in the Registering state. No IPv6 multicast traffic will flow.
Workaround: Configure an IPv6 PIM static RP.
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