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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)S7
Conditions: This symptom is observed under the following conditions:
The MLPPP interface is configured with multicast. - Physical errors exist in the line that trigger
autoDNR.
Workaround:
Disable multicast on the MLPPP link.
Recovery:
Shut/unshut a member link.
Clear the mroute table using the clear up mroute vrf <vrf name> * command.
CSCtc79299
Symptoms: Sending IPv6 traffic with hop-by-hop headers causes the RP CPU utilization to spike up
to 40 percent.
Conditions: This symptom is observed in IPv6 traffic with hop-by-hop headers.
Workaround: There is no workaround.
CSCtd18657
Symptoms: The following message appears:
%TFIB-7-SCANSABORTED: TFIB scan not completing. MAC string updated.
Conditions: This symptom is observed on a Cisco 12000 series router. The router has a great number
of prefixes for which the output interface is an MPLS Traffic Engineering tunnel.
Workaround: There is no workaround.
CSCtd29170
Symptoms: A Cisco router may unexpectedly reload due to a bus error when removing a route map.
Conditions: The route map must have more than one sequence number, and under one of the
route-map sequence numbers there must be a “match ipv6 address <acl>” entry in which the ACL
does not exist.
Workaround: Remove the “match ipv6 address” statement from the route map before removing the
route map itself.
CSCtd46318
Symptoms: Multiple tracebacks are seen on the standby route processor.
Conditions: This symptom is observed during router bootup.
Workaround: Reload the router again.
CSCtd46847
Symptoms: In an APS setup involving CHOC12 linecards, the APS switches over from the Working
line to the Protect line for different reasons like LAIS, LOF/LOS, and SF and SD conditions.
Conditions: This symptom is observed on a Cisco 12000 series router that is running Cisco IOS
Release 12.0(32)S11q. The issue is applicable only to CHOC12 linecards.
Workaround: There is no workaround.
Further Problem Description: The alarms that are responsible for APS switchover are spurious. The
alarm counters on the SONET controller could be huge in successive show controller captures.
CSCtd54941
Symptoms: Increased PLIM resets on the CHOC12 Line cards might be seen on some nodes.
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