Bridging Multiple VLANs over router

Unanswered Question
Aug 28th, 2007

We have a customer that is relocating thier headquarters. They have a temporary requirement to bridge multiple vlans or a router T3 link to the new location as they cannot change the IP subnets. Setup is 3560 switch connecting to a 3845 then T3 to remote 3845 and 3560. I need to bridge multiple VLANs. I have seen a good example on how to do it over sonet but I don't see how to translate that to an HDLC or Frame Relay encapsulation for the T3 Link. I need to know if this can be done and if so any examples on hw to do it would be great!!

I have this problem too.
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mpugina63 Wed, 03/21/2012 - 09:08

These posts are very old and the link that you offered is no longer any good. I needed some help with L2TPv3 and was hoping that someone was still monitoring this forum. I have two routers and wanted to run L2tpv3 so that I could extend by VLANS. Can anyone give me a quick overview of how to actually configure L2TPv3 on these two MPLS routers?

mpugina63 Wed, 03/21/2012 - 09:29

I have the following routers

Router 1

Interface                  IP-Address      OK? Method Status                Protocol

FastEthernet0/0    YES NVRAM  up                    up     

FastEthernet0/1     YES NVRAM  up                    up     

FastEthernet0/3/0        YES NVRAM  up                    up     

NVI0               YES unset  up                    up     

Multilink88         YES NVRAM  administratively down down  

Router 2

Interface                  IP-Address      OK? Method Status                Protocol

GigabitEthernet0/0      YES NVRAM  up                    up     

GigabitEthernet0/1    YES NVRAM  administratively down down   

Serial0/0/0:0              unassigned      YES NVRAM  up                    up     

Serial0/0/1:0              unassigned      YES NVRAM  up                    up     

Serial0/1/0                unassigned      YES NVRAM  up                    up     

Multilink1          YES NVRAM  up                    up    

Both of these routers are MPLS routers at separate locations, I understand that I need to create a pseudowire-class  l2tp-auto entry, but would I do it on my g0/0 interface on router 2 since that is  the vlan I want to extend from that router? And would I create a simular  entry on router 1 FastEthernet0/3/0 since that is the vlan I want it to reach?  I appreciate all help.



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