With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alpsIfHLinkNumber
Cisco's Airline protocol support If H Link Number
1.3.6.1.4.1.9.9.95.1.4.2.1.2
Specifies the configured Host Link Number on this Serial Interface.
Back to CISCO-ALPS-MIB MIB page.
IPHost Network monitor allows you to monitor alpsIfHLinkNumber on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.