[j-nsp] VPLS issue...

[Derick Winkworth]

I'm starting to second-guess the use of VPLS between data centers.  It seems 
there is no clean way to keep a local interface up in a virtual-switch instance 
if you lose connectivity to the remote peer, even if you have an irb configured 
locally.  Surely I am missing something, or Juniper needs to add the ability to 
keep a local interface up even if there are no PE BGP peers established.  




The hack we came up with was to run two trunks from our access switches, one for 
layer2 and one for layer3. 





-----------------



I need the local interface to remain up too.





________________________________
From: Daniel Hilj <daniel.hilj at ipnett.se>
To: Derick Winkworth <dwinkworth at att.net>
Sent: Thu, October 21, 2010 11:26:49 AM
Subject: Re: [j-nsp] VPLS issue...

Hi,

To get around the fact of not having a local interface UP that you need for the 
IRB to be UP you can configure an lt-interface and add it to you instance.


Best Regards/Med vänliga hälsningar

Daniel Hilj


21 okt 2010 kl. 18:22 skrev "Derick Winkworth" <dwinkworth at att.net>:

> All:
> 
> We have a two site VPLS setup using virtual-switches.  Site "A" has an IRB in 
> the bridge-domain in the virtual-switch configuration.  All is good when the 
>two 
>
> PEs have a BGP session and the LSPs are up between the two PEs.
> 
> However, when Site "B" becomes unreachable, then the IRB and local interface at 
>
>
> site "A" go down and the customer can no longer route out using the IRB.  I 
>need 
>
> this irb and the local interface to stay up so Site A can still route out the 
>  IRB even if Site "B" goes down...  
> 
> 
> I tried the "connectivity-type irb" knob, but it doesn't help.  
> 
> Running 10.0S8 on MX240s...
> 
> 
> Any thoughts?
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