Cisco Cisco IOS Software Release 12.4(4)T
486
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(20)T2
Conditions: This has been observed on a IPIPGW running Cisco IOS Release 12.4(20)T1-ES,
having an H323 on both sides of the gateway. This only happens when the connect message is
received before OLC-ACK exchange between the parties is complete.
having an H323 on both sides of the gateway. This only happens when the connect message is
received before OLC-ACK exchange between the parties is complete.
Workaround: There is no workaround.
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CSCsy95484
Symptoms: Ping fails from gen to ref.
Conditions: The symptom is observed when the router is loaded with Cisco IOS
Release 12.4(24.6)T5.
Release 12.4(24.6)T5.
Workaround: Perform a shut and no shut on the VLAN interface and the ping passes.
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CSCsy97506
Symptoms:
Case 1: All NAT multicast data packets are processed by software.
Case 2. Spurious memory access occurs.
Conditions:
Case 1. NAT with static port entry, or dynamic overload configuration.
Case 2. Configure ip nat dynamic nat rule with an undefined NAT pool.
Workaround:
Case 1: Configure NAT as static entry without port, or dynamic non-overload.
Case 2: Configure with defined pool.
Resolved Caveats—Cisco IOS Release 12.4(20)T2
Cisco IOS Release 12.4(20)T2 is a rebuild release for Cisco IOS Release 12.4(20)T. The caveats in this
section are resolved in Cisco IOS Release 12.4(20)T2 but may be open in previous Cisco IOS releases.
section are resolved in Cisco IOS Release 12.4(20)T2 but may be open in previous Cisco IOS releases.
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CSCeg49153
Symptoms: It may take a long time for the IPSec router to detect that the CA server is down while
trying to reach it for CRL retrieval.
trying to reach it for CRL retrieval.
Conditions: The symptom is observed on a LAN-to-LAN IPSec tunnel between two routers, where
one router is configured for CRL checking.
one router is configured for CRL checking.
Workaround: The situation may be slightly improved by lowering the “tcp synwait” value, for
example:
example:
ip tcp synwait-time 5
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CSCeg87070
Symptoms: A Cisco 10000 crashes at igmp-process:
Cisco IOS Software, 10000 Software (C10K2-P11-M), Version 12.3(7)XI2b, RELEASE
SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c)
1986-2005 by Cisco Systems, Inc. Compiled Sat 08-Jan-05 16:25 by <software engineer>
ROM: System Bootstrap, Version 12.0(20020314:211744) [REL-pulsar_sx.ios- rommon 112],
DEVELOPMENT SOFTWARE
r-pa068 uptime is 19 hours, 58 minutes System returned to ROM by RPR switchover at
19:03:47 MET Mon Jan 24 2005 System restarted at 19:07:22 MET Mon Jan 24 2005 System
image file is "disk0:c10k2-p11-mz.123-7.XI2b"
Conditions: This symptom is observed during 7xi2b monitoring.