For monitoring our T1's we have a program that periodically pings them, it records if it was reachable or not and ping latency. Whenever the T1 goes down we get paged, same if ping latency goes above X ms.
However our T1 providor changed policies, now they drop all icmp packets going to the T1's ip.. So basically I'm needing another way to monitor the link status. The only other way I can think of accomplishing this is via snmp polling.. Having the return value indicating the status of the serial interface.
I know snmpv3 supports inform-requests, but I'm pretty sure our monitoring software doesn't yet support snmp v3.
Syslog is another way but a little sloppy to parse/grep through a file looking for changes in status.
Only problem is I don't know the proper mibs involved for this.. We have a 7206vxr.
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