[c-nsp] Bridge L2 network across WAN

Tassos Chatzithomaoglou achatz at forthnet.gr
Wed Jan 9 04:29:27 EST 2008


What about simple IRB?

--
Tassos


David Granzer wrote on 9/1/2008 10:24 πμ:
> I'm not sure how QinQ can help here, but L2TPv3 yes.
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cg/hwan_c/hl2tpv3.htm#wp1045845
> 
> David
> 
> On 1/9/08, Andrew Gristina <agristina+cisco-nsp at gmail.com> wrote:
>> You can also look at QinQ tunneling.  But really that just extends the
>> pain.  It might be more worth your time to deal with the flat layer 2
>> network.
>>
>> On Jan 8, 2008 5:47 PM, Geyer, Nick <nick.geyer at eds.com> wrote:
>>> Hi Everyone,
>>>
>>>
>>>
>>> I am hoping someone can help me out here. We have an old legacy network
>>> which is just a flat L2 network across multiple sites connected by
>>> fibre. For various reasons this fibre will no longer be available for
>>> use, so I need to find another way to keep this L2 network intact. There
>>> is a routed network between all the buildings, so I am hoping there is
>>> some sort of bridge scenario to carry this L2 traffic across.
>>>
>>>
>>>
>>> My plan at the moment was to connect these l2 switches at the sites into
>>> a 2811 at each site which in turn will be connected into the routed
>>> network. So basically I am after a way to bridge this l2 network across
>>> the 2811's/routed network.
>>>
>>>
>>>
>>> Any help would be extremely appreciated.
>>>
>>>
>>>
>>> Regards,
>>>
>>>
>>>
>>> Nikolas Geyer.
>>>
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