With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
sonetLineIntervalTable
sonet Line Interval Table
1.3.6.1.2.1.10.39.1.3.2
The SONET/SDH Line Interval table.
Back to SONET-MIB MIB page.
IPHost Network monitor allows you to monitor sonetLineIntervalTable 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.
