With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdsmrInstDestUnreachableErrors
Cisco Distributed Short Message Routing Inst Destination Unreachable Errors
1.3.6.1.4.1.9.9.1300.1.2.1.18
Count of the number of times packet was not routed because destination was unreachable.
Back to CISCO-ITP-DSMR-MIB MIB page.
IPHost Network monitor allows you to monitor cdsmrInstDestUnreachableErrors on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
