Cisco Cisco IOS Software Release 12.4(4)T Notas de publicación

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Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
  Resolved Caveats—Cisco IOS Release 12.4(4)T2
Conditions: This symptom is observed on a Cisco AS5400 but is not platform-dependent.
Workaround: There is no workaround. 
CSCek31660
Symptoms: For VPDN sessions that are established with a LAC, the RADIUS progress code in the 
Stop record may be different from the RADIUS progress code in the Start record.
Condition: This symptom is observed on a Cisco platform such as a Cisco AS5400 that runs 
Cisco IOS Release 12.4.(3a) but may also affect Release 12.4T.
Workaround: There is no workaround. 
CSCsb83459
Symptoms: A router may reload when many PPPoE sessions are being initiated while memory 
availability is low or when many PPPoE sessions are being initiated and terminated.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS interim 
Release 12.3(12.5) or a later release, interim Release 12.3(12.4)T or a later release, or any release 
of Release 12.4 or Release 12.4T.
Workaround: There is no workaround. 
CSCsb89292
Symptoms: ISDN NFAS failover issues are observed in Cisco IOS Release 12.3(11) T7. If the 
primary NFAS d-channel is bounced, the switch sees some of the b- channels in “remote busy” 
(RMB).
Conditions: This symptom only happens when the primary NFAS d-channel is bounced.
Workaround: There is no workaround. 
Resolved Caveats—Cisco IOS Release 12.4(4)T2
Cisco IOS Release 12.4(4)T2 is a rebuild release for Cisco IOS Release 12.4(4)T. The caveats in this 
section are resolved in Cisco IOS Release 12.4(4)T2 but may be open in previous Cisco IOS releases. 
The following information is provided for each caveat:
Symptoms—A description of what is observed when the caveat occurs.
Conditions—The conditions under which the caveat has been known to occur.
Workaround—Solutions, if available, to counteract the caveat.
Basic System Services
CSCeg22972
Symptoms: The output of the show processes cpu command shows that the total CPU use is less 
than the interrupt CPU use.
Conditions: This symptom is observed on a Cisco platform that continuously routes unicast IPv6 
traffic with 70 bytes per packet and 300,000 packets per second when one particular counter that 
counts interrupt trailing overflows.
Workaround: There is no workaround.
Further Problem Description: The fix for this caveat increases the size of the counter.