Cisco Cisco IOS Software Release 12.4(4)T
1371
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(2)T5
Conditions: This symptom is observed when the ISDN BRI or PRI interface is not configured as part
of a dialer rotary group or dialer pool and when RADIUS is used to assign the multilink bundle to
a VRF.
of a dialer rotary group or dialer pool and when RADIUS is used to assign the multilink bundle to
a VRF.
Workaround: Enter the dialer rotary-group command to assign the ISDN interface to a dialer.
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CSCsg50202
Symptoms: When a BRI interface flaps rapidly, ISDN Layer 1 detects a link down state, but Layer
2 and Layer 3 may remain in the active state during the transition. This situation may cause the BRI
interface to become stuck, and subsequent incoming and outgoing calls to be rejected.
2 and Layer 3 may remain in the active state during the transition. This situation may cause the BRI
interface to become stuck, and subsequent incoming and outgoing calls to be rejected.
Conditions: This symptom is observed when a cable is pulled out and put back rapidly.
Workaround: Enter the clear interface command on the affected BRI interface.
Alternate Workaround: Enter the shutdown command followed by the no shutdown command on
the affected BRI interface.
the affected BRI interface.
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CSCsj10593
Symptoms: A terminating gateway (TGW) that is configured for Cisco ISDN Interconnect for Voice
Gateways Solution may crash.
Gateways Solution may crash.
Conditions: This symptom is observed on a Cisco router that runs Cisco IOS interim Release
12.4(15.6) and that functions as a TGW with all PRI switch types from the user to the network side.
The symptom occurs when the isdn test call interf ace interface-number dialing-string command
is entered at the platform on which the call is initiated, when the originating gateway (OGW) is
configured for the National ISDN (primary-ni) switch type, and when the TGW is configured for the
NT DMS-100 (primary-dms100) switch type. The symptom may also affect Release 12.4T.
12.4(15.6) and that functions as a TGW with all PRI switch types from the user to the network side.
The symptom occurs when the isdn test call interf ace interface-number dialing-string command
is entered at the platform on which the call is initiated, when the originating gateway (OGW) is
configured for the National ISDN (primary-ni) switch type, and when the TGW is configured for the
NT DMS-100 (primary-dms100) switch type. The symptom may also affect Release 12.4T.
Workaround: There is no workaround.
Resolved Caveats—Cisco IOS Release 12.4(2)T5
Cisco IOS Release 12.4(2)T5 is a rebuild release for Cisco IOS Release 12.4(2)T. The caveats in this
section are resolved in Cisco IOS Release 12.4(2)T5 but may be open in previous Cisco IOS releases.
section are resolved in Cisco IOS Release 12.4(2)T5 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
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CSCsb30875
Symptoms: Active eRSC on a Cisco AS5850 gateway could hang after RPR+ failover, if the aaa
accounting system command is configured.
accounting system command is configured.
Conditions: The symptom has been observed under the following conditions:
1.
RPR+ failover occurred.
2.
Console connection window closed & reopened to the newly active eRSC after failover.