Cisco Cisco IOS Software Release 12.2(58)SE

The workaround is to disable IPv6 MLD snooping on the switch.

CSCtl80678 

The port manager callback might cause more than 90% CPU usage for up to 20 minutes under these 
conditions: 

Link comes up simultaneously on multiple dot1q trunk ports. 

VLAN Trunking Protocol (VTP) pruning is enabled.

The workaround is to disable VTP pruning. 

CSCto62631

A switch running Cisco IOS Release 12.2(58)SE might reload if:

SSH version 2 is configured on the switch, and

a customized login banner was configured by using the banner login message global 
configuration command

Use one of these workarounds:

Disable the login banner by entering the no login banner command.

Disable SSH on the switch.

Downgrade to a software version prior to Cisco IOS Release 12.2(58)SE.

The “Supported MIBs” appendix is no longer in the software configuration guide. To locate and 
download MIBs for a specific Cisco product and release, use the Cisco MIB Locator:

The “Miscellaneous” section of the “Unsupported Commands” chapter should include the logging 
discriminator global configuration command.