With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
cjnIpIfProxyArpEnabled
Cajun Ip If Proxy Arp Enabled
1.3.6.1.4.1.52.4.43.3.1.1.2.1.10
enables / disables Proxy Arp functionality on this interface.
Back to IP-INTERFACE-MANAGEMENT-MIB MIB page.
IPHost Network monitor allows you to monitor cjnIpIfProxyArpEnabled on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya IP phones right now.