Deriving Interface Indices - Dell C9000 Series Networking Configuration Manual

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Example of Fetching MAC Addresses Learned on a Non-default VLAN Using SNMP

In the following example, TenGigabitEthernet 1/21 is moved to VLAN 1000, a non-default VLAN. To fetch the

MAC addresses learned on non-default VLANs, use the object dot1qTpFdbTable. The instance number is the

VLAN number concatenated with the decimal conversion of the MAC address.

---------------MAC Addresses on Force10 System------------

R1_E600#show mac-address-table

00:01:e8:06:95:ac

---------------Query from Management Station----------------

>snmpwalk -v 2c -c techpubs 10.11.131.162 .1.3.6.1.2.1.17.7.1.2.2.1

Example of Fetching MAC Addresses Learned on a Port-Channel Using SNMP

Use dot3aCurAggFdbTable to fetch the learned MAC address of a port-channel. The instance number is the

decimal conversion of the MAC address concatenated with the port-channel number.

--------------MAC Addresses on Force10 System-------------------

R1_E600(conf)#do show mac-address-table

00:01:e8:06:95:ac

-------------Query from Management Station----------------------

>snmpwalk -v 2c -c techpubs 10.11.131.162 .1.3.6.1.4.1.6027.3.2.1.1.5

SNMPv2-SMI::enterprises.6027.3.2.1.1.5.1.1.1000.0.1.232.6.149.172.1 = INTEGER: 1000

SNMPv2-SMI::enterprises.6027.3.2.1.1.5.1.2.1000.0.1.232.6.149.172.1 = Hex-STRING:

SNMPv2-SMI::enterprises.6027.3.2.1.1.5.1.3.1000.0.1.232.6.149.172.1 = INTEGER: 1

SNMPv2-SMI::enterprises.6027.3.2.1.1.5.1.4.1000.0.1.232.6.149.172.1 = INTEGER: 1

Deriving Interface Indices

The Dell Networking OS assigns an interface index to each (configured and unconfigured) physical or logical

interface, and displays it in the output of the show interface command.

Dell#show interface fortyGigE 0/4

fortyGigE 0/4 is down, line protocol is down

Description: if_0/4 | if_forty

Hardware is DellForce10Eth, address is 74:86:7a:ff:6f:08

Current address is 74:86:7a:ff:6f:08

Pluggable media not present

Interface index is 51528196

[output omitted]

Simple Network Management Protocol (SNMP)