With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bgpPeerLocalPort
bgp Peer Local Port
1.3.6.1.2.1.15.3.1.6
The local port for the TCP connection between the BGP peers.
Back to BGP4-MIB MIB page.
IPHost Network monitor allows you to monitor bgpPeerLocalPort on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.