With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmiFaRegVisitorChallengeValue
Cisco Mobile IP Foreign Agent Registration Visitor Challenge Value
1.3.6.1.4.1.9.9.174.1.1.1.2.1.12
Challenge value forwarded to MN in the previous Registration reply, which can be used by MN in the next Registration request
Back to CISCO-MOBILE-IP-MIB MIB page.
IPHost Network monitor allows you to monitor cmiFaRegVisitorChallengeValue 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.