With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
crpmsVpdnOverflowLimit
crpms Vpdn Overflow Limit
1.3.6.1.4.1.9.10.84.1.3.1.1.5
Limit of the overflow pool for this VPDN group.
Back to CISCO-RPMS-MIB MIB page.
IPHost Network monitor allows you to monitor crpmsVpdnOverflowLimit 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.