With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwArpStatisticsTable
Cisco's ASN Gateway Arp Statistics Table
1.3.6.1.4.1.9.9.638.1.3.6.1
The ARP Statistics Table contains Statistics about ARP requests handled by the ASN-GW.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwArpStatisticsTable 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.