[f-nsp] MLX: adding a ve to vll-local tag translation

Niels Bakker niels=foundry-nsp at bakker.net
Mon May 10 10:43:28 EDT 2010


* remco at signet.nl (Remco Bressers) [Mon 10 May 2010, 16:04 CEST]:
>I'm testing mpls vll-local on an MLX-4 and came to the conclusion 
>that VLAN tag translation between 2 ports using vll-local works 
>fine, but i cannot seem to do any local routing anymore by using ve 
>devices. Is this correct?
>
>The config :
>
>router mpls
> vll-local testing123
>  vlan 4030
>   tag e 2/1
>  vlan 4031
>   tag e 2/2
>
>Now, i CAN add the following :
>
>vlan 4030
> router-interface ve 4030
>!
>interface ve 4030
> ip address 10.0.0.1/29
>!
>
>But this doesn't seem to do anything.

That's correct.  There are no ports in VLAN 4030 (you can verify this 
by doing "sh vlan 4030" and "sh vlan e 2/1" - note that the latter 
will say that the port is a member of 0 VLANs).

There is a difference between a "VLAN" and a "L2 VLAN" in Foundry 
parlance.  I'm not sure which is which, but one is configured with 
"conf t; vlan xyz; tagged e x/y; router-interface ve x" and the 
other is used only as a number to fill out in the 802.1Q tag under 
VPLS or VLL instances.


>Is there anyone who can help me with this? Is there a different way 
>to do this?

Not that I'm aware of without running a cable back between two ports.


	-- Niels.

-- 



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