With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mdgGatewayAddr
mdg Gateway Address
1.3.6.1.4.1.9.5.1.21.1.1.1
The IP address of a default gateway.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor mdgGatewayAddr 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.
