With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgrtRouteDestLsCost
Cisco IP Transfer Point GRT Route Dest Ls Cost
1.3.6.1.4.1.9.9.334.1.2.3.1.3
The cost assigned to this linkset matching this route. Higher numbers represent higher cost.
Back to CISCO-ITP-GRT-MIB MIB page.
IPHost Network monitor allows you to monitor cgrtRouteDestLsCost 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.