Cisco Cisco IOS Software Release 12.4(4)T

Workaround: Clear VPDN again or reload the router. 

CSCta91556

Symptoms: Packets are getting SSS switched on the LAC towards LNS.

Conditions: The symptom is observed when bringing up any PPPoE or PPPoA session.

Workaround: There is no workaround. 

CSCtb14400

Symptoms: Packets received from the virtual-access CE-facing interface are not CEF-switched into 
the MPLS cloud.

Conditions: The symptom is observed on a MPLS/VPN PE router.

Workaround: There is no workaround.

Cisco IOS Release 12.4(22)T2 is a rebuild release for Cisco IOS Release 12.4(22)T. The caveats in this 
section are resolved in Cisco IOS Release 12.4(22)T2 but may be open in previous Cisco IOS releases. 

CSCsi43340

Symptoms: DSMP is not programming the DSP for supervisory tone while alerting tone is there, 
which leads to FXO disconnect supervision issue.

Conditions: Occurs on routers running Cisco IOS Release 12.3(14)T and later releases.

Workaround: Downgrade to Cisco IOS Release 12.3(11)T. 

CSCsj17977

Symptoms: The GETVPN rekey fails. The following error message shows in the syslog:

%GDOI-3-GM_NO_IPSEC_FLOWS: IPSec FLOW limit possibly reached

The show crypto engine connections flow will show that all flows are used. For 
hardware-accelerated platforms, use the show crypto eli command to see how many Phase IIs are 
supported.

Conditions: This problem is seen when the registration is not successful on a group member and then 
the flow IDs allocated for that incomplete registration are not cleaned up.

Workaround: Reload the router, if all the flow IDs are leaked. 

CSCsj46707

Symptoms: A CPU may hang and give traceback during boot up.

Conditions: The crash is the result of a race condition caused by the order of operations in 
console_init().

Workaround: There is no workaround. 

CSCsk43926

Symptoms: High CPU usage may occur interrupt context on an RP, and spurious memory accesses 
may be generated when a route-map update is checked. You can verify this situation in the output 
of the show align command.

Conditions: This symptom is observed on a Cisco 7600 series that is configured for BGP.

Workaround: There is no workaround.