Specifications

1337
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(27)S2
• CSCed54262
Symptoms: Memory allocation (MALLOC) failures may occur on a VIP, port adapter, or line card.
Conditions: This symptom is observed on a Cisco router that has a scaled AToM configuration.
Workaround: There is no workaround.
• CSCed56025
Symptoms: A VIP, port adapter, or line card may reset.
Conditions: This symptom is observed on a router that has a scaled AToM configuration.
Workaround: There is no workaround.
• CSCed56092
Symptoms: A standby GRP or PRP may keep resetting.
Conditions: This symptom is observed on a Cisco 12000 series when you change releases from
Cisco IOS Release 12.0(27)S to another release using the hw-module standby reload command
and when the RPR mode is enabled.
Workaround: Enter the reload command.
• CSCed56404
Symptoms: On a Cisco 12000 series with link-bundling (port-channel) configured and the
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart command
configured, if you configure the port-channel with minimum links that are greater that the actual
links, the port-channel is forced down, and an SNMP linkdown trap is generated. However, if you
correct the configuration so that the port-channel comes up, no linkup trap is generated.
Conditions: This symptom is observed on a Cisco 12000 series router that runs Cisco IOS
Release 12.0(26)S1.
Workaround: There is no workaround.
• CSCed57281
Symptoms: A router may log a CPUHOG message that is caused by the CEF reloader process.
Conditions: This symptom is observed on a Cisco router when a VRF with more than 9000 routes
is added to the configuration.
Workaround: There is no workaround.
• CSCed57625
Symptoms: An access control list (ACL) that has logging enabled may not work on a Fast
Etherchannel (FEC) interface.
Conditions: This symptom is observed on a Cisco 10720 router running Cisco IOS
Release 12.0(26)S or a later release.
Workaround: There is no workaround.
• CSCed57841
Symptoms: When the error message “Info: Illegal normal burst size, increased to mtu size 4470” is
generated on a channelized STM-1 MM PA, the VIP in which this PA is installed and the RSP may
crash.
Conditions: This symptom is observed on a Cisco 7500 series that runs Cisco IOS
Release 12.0(26)S1 when MQC is configured on the channelized STM-1 MM PA.
Workaround: There is no workaround.