With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
relayVlPrimaryServerAddr
relay Vl Primary Server Address
1.3.6.1.4.1.81.31.1.6.1.2
The IP address of the primary server, to which the BOOTP/DHCP requests to be sent.
Back to CROUTE-MIB MIB page.
IPHost Network monitor allows you to monitor relayVlPrimaryServerAddr on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya routers right now.