[j-nsp] snmpwalk request to obtain the vlan-ids

[Bourgeois, Jacob (Jake)** CTR **]

Dario,

I hope someone responded to you offline, if not, here is my feeble attempt
to at least get you started in the right direction.

Iana considers 802.1q interfaces to have an iftype value equal to 135.

(these are the only logical interfaces this router has with a vlan-id
configured on them)

[edit]
lab at r1# run show snmp mib walk 1.3.6 | match 135 | match iftype   
ifType.39     = 135
ifType.41     = 135
ifType.42     = 135

So the above shows you the SnmpIfIndexes that have a vlan-id associated with
them.

So below I match them to actual interfaces

[edit]
lab at r1# run show interfaces | match "(snmp ifindex)" | match "ge|fe" 
  Logical interface fe-0/0/0.5 (Index 72) (SNMP ifIndex 42) 
  Logical interface fe-0/0/1.20 (Index 68) (SNMP ifIndex 41) 
  Logical interface fe-0/0/1.100 (Index 69) (SNMP ifIndex 39) 

This is not exactly something that would work well in a production
environment, especially since you would be using a mib browser that may or
may not allow match criteria, and you will have plenty of ge-* and fe-* that
are not tagged.

Either way, I hope this serves somewhat helpful.


Thanks and regards,
Jake Bourgeois

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Dario
Sent: Tuesday, February 13, 2007 9:28 AM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] snmpwalk request to obtain the vlan-ids

Dear all,

I need the list of all vlan-ids implemented in various routers via SNMP.
(I need also how to connect them with the ifIndex)

Does anybody knows the snmpwalk request to obtain this information?

Best regards and thanks in advance,

	Dario D.
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