With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cExtSnmpTargetAddrIntIfIndex
Cisco Ext Snmp Target Addr Interface If Index
1.3.6.1.4.1.9.9.412.1.2.1.1
Holds valid ifIndex value of the interface through which the notifications for the target with Multicast/Link local address specified in the snmpTargetAddrTAddress, is sent. If snmpTargetAddrTAddress doesn't hold a Linklocal or a Multicast target address then the value of this object will be zero. For the entries with snmpTargetAddrTAddress having Link Local or Multicast address the snmpTargetAddrStatus cannot be set to valid unless the value for this object holds a valid ifIndex value.
Back to CISCO-SNMP-TARGET-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cExtSnmpTargetAddrIntIfIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
