With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bgpPathAttrNextHop
bgp Path Attribute Next Hop
1.3.6.1.2.1.15.5.1.5
The address of the border router that should be used for the destination network.
Back to BGP4-MIB MIB page.
IPHost Network monitor allows you to monitor bgpPathAttrNextHop 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.