With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
isdnLapdPrimaryChannel
isdn Lapd Primary Channel
1.3.6.1.2.1.10.20.1.3.4.1.1
If set to true(1), this D channel is the designated primary D channel if D channel backup is active. There must be exactly one primary D channel configured. If D channel backup is not used, this object has a value of true(1).
Back to ISDN-MIB MIB page.
IPHost Network monitor allows you to monitor isdnLapdPrimaryChannel 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.
