With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbgpPeerPrefixAdminLimit
CISCO BGP4 Peer Prefix Admin Limit
1.3.6.1.4.1.9.9.187.1.2.4.1.3
Max number of route prefixes accepted for an address family on this connection.
Back to CISCO-BGP4-MIB MIB page.
IPHost Network monitor allows you to monitor cbgpPeerPrefixAdminLimit on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.