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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(30)S
Conditions: This symptom is observed on a Cisco 7500 series that is configured for MFR.
Workaround: There is no workaround.
• CSCee32484
Symptoms: After performing a manual switchover on a dual-RP router that functions in RPR+ or
SSO mode, the following error message may be seen on an 8xOC3ATM line card, and the line card
may stop forwarding traffic:
%QM-4-STUCK: Port 0 Queue mask 0x80
Conditions: This symptom is observed on a Cisco 12000 series that is running the gsr-p-mz image
of Cisco IOS Release 12.0(28)S.
Workaround: Perform a microcode reload on the line card.
• CSCee32921
Symptoms: Line cards in a Cisco 12000 series dual-RP router running Cisco IOS Release 12.0(28)S
may fail when the active RP is reloaded.
Conditions: This symptom is observed when the active RP is reloaded by entering the microcode
reload command.
Workaround: There is no workaround.
• CSCee34133
Symptoms: If CEF fails, you cannot enable CEF IPv6 by entering the ipv6 cef distributed
command.
Conditions: This symptom is observed on a Cisco 12000 series that runs the gsr-p-mz image of
Cisco IOS Release 12.0(28)S.
Workaround: There is no workaround.
• CSCee34469
Symptoms: The feature manager queue and the Qos manager queue on the Route Processor (RP)
may not drain for 20 minutes after a reload in a scaled environment with 1400 IP and L3VPN
connections (subinterfaces). The feature manager pushes ACL and PBR configurations to the IP
Services Engine (ISE) line cards for TCAM processing. The QoS manager pushes CAR/MQC
configurations to the ISE line cards for TCAM processing.
You can monitor the state of the feature manager queue with the show fm queue command. You can
monitor the state of the QoS manager queue with the show qm queue command.
Conditions: This symptom is observed on a 12000 series running Cisco IOS Release 12.0(28)S. The
symptom occurs with SSO/NSF two times out of five tests but has not been observed with RPR.
Workaround: There is no workaround.
• CSCee34474
Symptoms: Open Shortest Path First (OSPF) peers are mapped to the wrong subinterfaces.
Conditions: This symptom is observed on a Cisco 10000 series after a high availability (HA) switch
has occurred over ATM interfaces and OSPF adjacencies have been formed.
Workaround: There is no workaround.
• CSCee34622
Symptoms: Neighbor adjacencies for the IS-IS, OSPF, or other routing protocol may bounce during
a Nonstop Forwarding (NSF) switchover.
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