ifType for interfaces

If the snmp-server legacy iftype command is configured on the device CLI, ifType returns gigabitEthernet(117) or fastEther(62). If the command is not configured (or no snmp-server legacy iftype is used) then ifType returns the value ethernetCsmacd(6).

IF-MIB (RFC 2863) Interfaces object

ifInterface objects Syntax
ifNumber

1.3.6.1.2.1.2.1

 Integer32
Parent topic: RFC 2863: The Interfaces Group MIB