Cisco Cisco IOS Software Release 12.4(23)
677
Caveats for Cisco IOS Release 12.4
OL-7656-15 Rev. J0
Resolved Caveats—Cisco IOS Release 12.4(5c)
Workaround: There is no workaround. A Cisco AS5850 that is used to its full capacity (4 CT3 worth
of MGCP calls) may not scale beyond 1990 calls. When the symptoms have occurred, reload the
Cisco AS5850.
of MGCP calls) may not scale beyond 1990 calls. When the symptoms have occurred, reload the
Cisco AS5850.
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CSCek37686
Symptoms: A Cisco AS5350 may reload because of a bus error (SIG=10).
Conditions: This symptom is observed when SNMP is configured and when SNMP queries are made
into the Cisco AS5350.
into the Cisco AS5350.
Workaround: Disable SNMP or stop polling the router.
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CSCek38136
Symptoms: When you deploy VoIP using PVDM2 / 5510 DSP modules, a hissing sound may be
heard before the ringback tone starts on the calling side.
heard before the ringback tone starts on the calling side.
Conditions: This symptom is observed only with 5510 DSP modules. The symptom does not occur
with 549 DSP modules.
with 549 DSP modules.
Workaround: There is no workaround.
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CSCek42816
Symptoms: A voice gateway reloads while bulk calls are being processed.
Conditions: The symptom is observed on a Cisco voice gateway that runs VXML applications that
stream voice when the voice gateway receives prompts from an HTTP server.
stream voice when the voice gateway receives prompts from an HTTP server.
Workaround: Enter the ivr prompt streamed none command on the voice gateway.
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CSCin99565
Symptoms: A router that is configured for SSG may reload unexpectedly.
Conditions: This symptom is observed when both the Transparent Auto-Logon (TAL) and
Port-Bundle Host-Key (PBHK) SSG features are enabled and when it takes a long time before the
AAA server responds.
Port-Bundle Host-Key (PBHK) SSG features are enabled and when it takes a long time before the
AAA server responds.
Workaround: There is no workaround.
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CSCsa70712
Symptoms: When you reload a CMM in one slot, the CMM in another slot reloads too, and the
console of the supervisor engine shows an “EarlRecoveryPatch Reset” error message for the CMM
that you intentionally reloaded.
console of the supervisor engine shows an “EarlRecoveryPatch Reset” error message for the CMM
that you intentionally reloaded.
Conditions: This symptom is observed on a Cisco Catalyst 6000 series and Cisco 7600 series when
you enter the reload command via the console of the CMM.
you enter the reload command via the console of the CMM.
Workaround: Do not reload the CMM via its console. Rather, enter the hw-module module slot
number reset command for the CMM on the supervisor engine.
number reset command for the CMM on the supervisor engine.
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CSCsb23038
Symptoms: While attempting performance/stress testing, a memory leak is experienced. The
Terminating Gateway (TGW) could not be accessed through the console, the following message was
output:
Terminating Gateway (TGW) could not be accessed through the console, the following message was
output:
%% Low on memory; try again later.
The root cause is that the calls are being hung. SIP KPML was enabled on half of the dial-peers.
Conditions: This symptom is observed on a Cisco 3700 series router.
Workaround: Do not enable DTMF Relay on the dial peers, for example SIP KPML and others under
heavy load conditions.
heavy load conditions.