With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ceipSecTunSaOutCompFailPkts
Cisco Enhanced IP Sec Tunnel Security Association Out Compression Fail Packets
1.3.6.1.4.1.9.9.432.1.1.5.1.25
The total number of outbound packets that failed compression because they grew in size after compression when using this SA.
Back to CISCO-ENHANCED-IPSEC-FLOW-MIB MIB page.
IPHost Network monitor allows you to monitor ceipSecTunSaOutCompFailPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.