With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
x21portLineNum
x21port Line Num
1.3.6.1.4.1.351.110.5.1.1.1.3.1.1.2
This represents the line number. On FRSM-HS1 the HSSI can support 3 lines and X.21 4 lines.
Back to CISCO-WAN-FR-X21-MIB MIB page.
IPHost Network monitor allows you to monitor x21portLineNum 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.
