With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwSubscriberNotFoundDataPktsDrops
Cisco's ASN Gateway Subscriber Not Found Data Packets Drops
1.3.6.1.4.1.9.9.638.1.3.1.1.1.51
The number of data packets dropped due to subscriber not found for the GRE key.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwSubscriberNotFoundDataPktsDrops on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
