ifIndex to interface ID lookup table

The ifIndex to interface ID lookup table maps ifindex values to the interface ID lookup table. If the table provides an ifIndex, this table returns the interface ID value.

Name, OID, and syntax

Access

Description

snIfIndexLookupTable

1.3.6.1.4.1.1991.1.1.3.3.4

None

The ifIndex to interface ID lookup table.

snIfIndexLookupIfIndex

1.3.6.1.4.1.1991.1.1.3.3.4.1.1

Syntax: Integer32

Read-only

Shows the interface in the ifIndex format.

snIfIndexLookupInterfaceId

1.3.6.1.4.1.1991.1.1.3.3.4.1.2

Syntax: InterfaceId

Read-only

Shows the interface ID, which consists of the following:

Octet 0 - Port type, which can be one of the following:

  • 1 - Ethernet
  • 2 - POS
  • 3 - ATM
  • 4 - Virtual
  • 5 - Loopback
  • 6 - GRE Tunnel
  • 7 - ATM Subif
  • 8 - MPLS Tunnel
  • 9 - ATM PVC
  • 10 - Management
  • 11 - Trunk
  • 12 - IP Tunnel (for IP tunnels, except MPLS)

Octet 1

  • If the value of Octet 0 is 1, 2, 3, 7, or 9, then this octet shows the slot number of the device.
  • If the value of Octet 0 is 6 or 8, then this octet shows the tunnel ID.
  • If the value of Octet 0 is 5, then this octet shows the loopback ID.
  • If the value of Octet 0 is 4, then this octet shows a virtual ID.

Octet 2 - If the value of Octet 0 is 1, 2, 3, 7, or 9, then this octet shows the port number.

Octet 3 - If the value of Octet 0 is 7 or 9, then this octet shows the ATM Subif number).

Octet 4 - If the value of Octet 0 is 9, then this octet shows the ATM VPI number.

Octet 5 - If the value of Octet 0 is 9, then this octet shows the ATM VCI number.

Parent topic: Interface ID Registration Group