Cisco Cisco IOS Software Release 12.4(4)T
1085
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(9)T6
Workaround: Remove the iBGP path. Note that when the sourced path comes up first, the symptoms
do not occur.
do not occur.
Alternate Workaround: Use different RDs with the different PE routers. When the RD and prefix do
not match exactly between the iBGP path and the sourced path, the symptoms do not occur.
not match exactly between the iBGP path and the sourced path, the symptoms do not occur.
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CSCsj10772
Symptoms: The TTL of a CNAME will be zeroed on a DNS reply after passing through a Cisco
router that is configured for Network Address Translation (NAT).
router that is configured for Network Address Translation (NAT).
Conditions: This symptom is observed on a Cisco router that is configured for NAT that is running
Cisco IOS Release 12.4 or 12.4T. Only CNAME records are affected.
Cisco IOS Release 12.4 or 12.4T. Only CNAME records are affected.
Workaround: Use static NAT translations with the keyword “no-payload”.
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CSCsj39538
Symptoms: Router tracebacks and then crashes during deconfiguration (removal) of VRF. The
following message was seen prior to crash:
following message was seen prior to crash:
-Process= "IP RIB Update", ipl= 3, pid= 68
-Traceback= 609538D8 60D1B8B4 612B2838 612588C8 61258CD4 6125E61C 6125ED04 6125EF30
61261CDC 6125A14C 61265A08 6126BE10 6097CF00 609547D8 609548B8
Address Error (load or instruction fetch) exception, CPU signal 10, PC = 0x609538FC
Conditions: No specific conditions are known to cause this fault.
Workaround: There is no workaround.
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CSCsk35985
Symptoms: The system crashes when the show ipv6 ospf lsdb- radix hidden command is entered.
Workaround: Do not enter the show ipv6 ospf lsdb-radix command.
Miscellaneous
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CSCej59405
Symptoms: The output of show running-config command does not show a correct parent-child
relationship between the control plane and its underlying service policy.
relationship between the control plane and its underlying service policy.
Conditions: This symptom is observed on a Cisco router that has control-plane features such as
policing and port-filtering enabled.
policing and port-filtering enabled.
Workaround: There is no workaround.
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CSCsg76519
Symptoms: An RSP may crash when you enter the clear counters command.
Conditions: This symptom is observed on a Cisco 7500 series that runs Cisco IOS Release 12.4
when you enter the clear counters command after the termination of voice calls that were made with
PA-VXC-2TE1 port adapters.
when you enter the clear counters command after the termination of voice calls that were made with
PA-VXC-2TE1 port adapters.
Workaround: There is no workaround.
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CSCsh74975
Symptoms: A router may reload or a leak memory may occur when UDP malformed packets are sent
to port 2517.
to port 2517.
Conditions: This symptom is observed on a Cisco router that functions as a VoIP dial peer and that
is configured for H.323.
is configured for H.323.