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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)S6
Workaround: Detach and re-attach the policy-map.
• CSCsx96402
Symptoms: The LC (E3/E5) crashes upon executing certain show controller... commands 3 to 4
times.
Conditions: The symptom is observed with scale configurations on MLPPP, MFR, serial interfaces
with features like VRF, VPN, basic QOS, ACL, and NetFlow.
Workaround: There is no workaround.
• CSCsx96600
Symptoms: Policy counters are not updated on the egress of the E5 linecard.
Conditions: This symptom is observed with IPv6 traffic using a Cisco IOS Release 12.0(33)S image.
This symptom is not observed with IPv4 traffic.
Workaround: There is no workaround.
• CSCsx97992
Symptoms: An ATM VPWS is configured with an input service policy. While still attached, the
service policy (child and parent) is modified. Exiting (Ctrl z) that configuration level results in a
crash and a switchover.
Conditions: This symptom is observed under the following conditions:
–
You must use SSH (not Telnet) connecting to the router to make the configuration.
–
You must attach the input policy to the VC while making the policy-map change.
Workaround: There is no workaround.
• CSCsy22281
Symptoms: Traffic is dropped on an ATM-Redundancy (SR-APS configured) ingress interface.
Conditions: This symptom is observed after an RPR+ switchover is performed.
Workaround: Reload both linecards that are involved in ATM redundancy.
• CSCsy42615
Symptoms: Entries for ABRs and ASBRs are missing from the OSPF route table. This results in
inter-area and external routes being omitted from the Routing Information Base (RIB).
Conditions: The bug will only be seen when MPLS-TE tunnels are being used. Also, specifying
non-default SPF timer values with timers throttle spf will increase the risk of hitting this bug.
Workaround: There is no workaround.
• CSCsy45838
Symptoms: The show ip ospf border-router command may cause a router to crash.
Conditions: Occurs if the border table is recalculated in a significant way while the output is being
printed on the console. The risk of a crash is reduced if you avoid using the auto-more feature and
allow the entire output to display at once.
Workaround: There is no workaround.
• CSCsy60668
Symptoms: On a router in which MPLS Traffic Engineering (TE) is configured, toggling the
router-id in the router configuration can cause the router to reload. For example, configuring “router
ospf 100 mpls traffic-eng router-id loopback 0” quickly followed by “mpls traffic-eng router-id
loopback 1” may trigger this symptom.
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