Cisco Cisco IOS Software Release 12.2(8)YD

If this is configured, the CHAP challenge will always be sent in the challenge attribute in an 
Access-Request message to the Radius server, and not in the authenticator field.

There are no known workarounds.

This section documents possible unexpected behavior by Cisco IOS Release 12.2(8)YD2 and describes 
only severity 1 and 2 caveats and select severity 3 caveats.

There are no known open caveats for Cisco IOS Release 12.2(8)YD2.

All the caveats listed in this section are resolved in Cisco IOS Release 12.2(8)YD2. This section 
describes only severity 1 and 2 caveats and select severity 3 caveats.

CSCdx36497

A block over run can occur - memory corruption - due to an error on the FE driver. The problem only 
occurs in very high BHCA scenarios.

There are no known workarounds.

CSCdy07845

A router running GGSN R1.4 image c7200-g5js-mz.122-8.4 that has SNMP configured may 
experience a processor memory leak in the SNMP ENGINE process.

Symptoms include:

output of “sh proc cpu” shows SNMP ENGINE process holding more and more memory without 
freeing the memory 

possible appearance of SYS-2-MALLOCFAIL messages in logs

Workaround: Temporarily disabling all the following OID’s (sub trees)

1.3.6.1.4.1.9.10.48.1.1.2.2 (cgprsGtpChargingGWTable)

1.3.6.1.4.1.9.10.48.1.1.2.3 (cgprsGtpAPNTable)

1.3.6.1.4.1.9.10.48.1.2.3   (cgprsGtpGgsnStatus)

For general information on Troubleshooting Memory Problems, see:

http://www.cisco.com/warp/public/63/mallocfail.shtml

This section documents possible unexpected behavior by Cisco IOS Release 12.2(8)YD1 and describes 
only severity 1 and 2 caveats and select severity 3 caveats.

There are no known open caveats for Cisco IOS Release 12.2(8)YD1.