With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmlrRuleResultGti
Cisco Multi-layer Routing Rule Result Gti
1.3.6.1.4.1.9.9.396.1.6.1.26
The global title indicator value for the global tile address specified within the message signal unit. This object only applies when the cmlrRuleSetResultType is set to 'gt' value.
Back to CISCO-ITP-MLR-MIB MIB page.
IPHost Network monitor allows you to monitor cmlrRuleResultGti on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.