With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
leRDArpBridgeNumber
le RD Arp Bridge Number
1.3.6.1.4.1.353.5.3.1.1.10.1.2
The Bridge Number portion of the IEEE 802.5 route descriptor associated with this ARP cache entry.
Back to LAN-EMULATION-CLIENT-MIB MIB page.
IPHost Network monitor allows you to monitor leRDArpBridgeNumber 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.