With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cefLMPrefixLen
CISCO Express Forwarding LM Prefix Length
1.3.6.1.4.1.9.9.492.1.1.4.1.5
The Network Prefix Length. Index to the cefPrefixTable.
Back to CISCO-CEF-MIB MIB page.
IPHost Network monitor allows you to monitor cefLMPrefixLen on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
