Cisco Cisco IOS Software Release 12.2(27)SBC

The Cisco Express Forwarding—SNMP CEF-MIB Support feature has the following prerequisites:

CEF or distributed CEF (dCEF) must be configured on your system.

The Cisco Express Forwarding infrastructure introduced in Cisco IOS Release12.2(22)S must be 
included in the image on your system.

The router on which the Cisco Express Forwarding—SNMP CEF-MIB Support features is to be used 
should be configured for SNMP access. Refer to the 

 in this document for more information.

The CISCO-CEF-MIB prefix database and its related database can be very large. Therefore, walking the 
prefix table could take a considerable amount of time. 

To configure SNMP and the CISCO-CEF-MIB to monitor CEF data and events, you should understand 
the following concepts: