Cisco Cisco IOS Software Release 12.4(4)T
1248
Caveats for Cisco IOS Release 12.4T
OL-8003-09 Rev. Z0
Resolved Caveats—Cisco IOS Release 12.4(6)T3
Extended Register Values (XR4..XR1) = 00, CC, 50, 11
4) Following is an example of output for FXS and analog E&M modules that indicates that the
symptom has occurred.
symptom has occurred.
Values read from PEB2x65 Codec connected to DSP 0, channel 1:
------------------------------------------------------------
Extended Register Values (XR4..XR1) = D001, B83C, 3FF1, 63AC
•
CSCse17317
Symptoms: A router may during an E1R2 test for different country codes and codecs.
Conditions: This symptom is observed on a Cisco router only when E1R2 digital semi-compelled
signaling is used.
signaling is used.
Workaround: There is no workaround.
Wide-Area Networking
•
CSCek28604
Symptoms: A Cisco device may reload (“System returned to ROM”) unexpectedly due to a memory
leak in the ISDN L2 process.
leak in the ISDN L2 process.
Conditions: This symptom is observed on a Cisco device that functions in a call manager-backhaul
configuration after running under stress for about 24 hours.
configuration after running under stress for about 24 hours.
The output of the show processes memory, collected in regular intervals shows a memory leak in
the ISDN L2 process. The amount of memory that is held by the ISDN L2 process will be very large
and growing.
the ISDN L2 process. The amount of memory that is held by the ISDN L2 process will be very large
and growing.
Workaround: Enter the isdn k 1 command on all backhauled serial interfaces.
•
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.
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.
Cisco IOS Release 12.4.(3a) but may also affect Release 12.4T.
Workaround: There is no workaround.
•
CSCek40618
Symptoms: A router may crash by address error (load or instruction fetch) exception during normal
operation.
operation.
Conditions: This symptom has been observed when the router is configured with VPDN and
Multilink PPP, using Virtual-Template interfaces.
Multilink PPP, using Virtual-Template interfaces.
Workaround: There is no workaround.
•
CSCsc30497
Symptoms: NAS-Port Pre-Auth failure breaks PPPoE session limit per VLAN. Once the
authorization fails, local limit does not get applied to a particular interface.
authorization fails, local limit does not get applied to a particular interface.
Conditions: This symptom is observed in Cisco IOS Release 12.3YM.