With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ptopoDataGroup
ptopo Data Group
1.3.6.1.2.1.79.4.2.1
The collection of objects which are used to represent physical topology information for which a single agent provides management information. This group is mandatory for all implementations of the PTOPO MIB.
Back to PTOPO-MIB MIB page.
IPHost Network monitor allows you to monitor ptopoDataGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.