Cisco Cisco IOS Software Release 12.4(4)T
1434
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(2)T
Conditions: This symptom is observed on a Cisco 7200 series that runs Cisco IOS
Release 12.3(11)T3 only when MLP is configured on the serial interfaces. The symptom may also
occur in Release 12.3 or 12.4.
Release 12.3(11)T3 only when MLP is configured on the serial interfaces. The symptom may also
occur in Release 12.3 or 12.4.
Workaround: Unconfigure MLP on the serial interfaces.
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CSCsa73842
Symptoms: An IP phone line is not released for some calls between Cisco CallManagers.
Conditions: This symptom is observed when calls between the Cisco CallManagers are made via a
Cisco Multiservice IP-to-IP Gateway (IPIPGW) that is configured for H.323.
Cisco Multiservice IP-to-IP Gateway (IPIPGW) that is configured for H.323.
Workaround: There is no workaround.
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CSCsa79580
Symptoms: A Cisco AS5300 that is configured with a call switching module (CSM) may generate
tracebacks that are related to a B-channel IDB. This situation may cause 64-kbps digital calls to be
answered by modems instead of via High-Level Data Link Control (HDLC).
tracebacks that are related to a B-channel IDB. This situation may cause 64-kbps digital calls to be
answered by modems instead of via High-Level Data Link Control (HDLC).
Conditions: This symptom is observed on a Cisco AS5300 that runs Cisco IOS Release 12.3.
Workaround: There is no workaround.
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CSCsa82222
Symptoms: A Cisco router may reload because of a watchdog timeout in the SNMP engine process.
Conditions: This symptom is observed on a Cisco 3700 series that runs Cisco IOS Release 12.3(6a)
when you query the ifStackStatus MIB object. The symptom occurs because the query enters an
infinite loop. Note that the symptom may be platform-independent.
when you query the ifStackStatus MIB object. The symptom occurs because the query enters an
infinite loop. Note that the symptom may be platform-independent.
Workaround: Disable SNMP on the router.
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CSCsa84724
Symptoms: A buffer leak in the middle buffer pool may occur on a Communication Media Module
(CMM).
(CMM).
Conditions: This symptom is observed when the CMM is configured for Music on Hold (MoH).
Workaround: Do not configure the CMM for MoH.
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CSCsa86918
Symptoms: A clicking sound is heard after each .wav audio file is played from a VoiceXML
(VXML) document.
(VXML) document.
Conditions: This symptom occurs in Cisco IOS Release 12.3(14)T on a Cisco AS5400. The problem
only occurs when there are multiple .wav files in a single VXML document that are concatenated
together to play to the caller. A VXML document containing a single .wav file does not experience
the problem.
only occurs when there are multiple .wav files in a single VXML document that are concatenated
together to play to the caller. A VXML document containing a single .wav file does not experience
the problem.
Workaround: There is no workaround.
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CSCsa87811
Symptoms: A memory leak occurs on an originating gateway.
Conditions: This symptom is observed when Fast Start is enabled, when a call fails after the call
proceeding has been received from a primary or alternate endpoint, and when the call falls back to
the next alternate endpoint.
proceeding has been received from a primary or alternate endpoint, and when the call falls back to
the next alternate endpoint.
Workaround: There is no workaround.