[c-nsp] HWIC-4ESW and Pseudo-WIRE L2TPV3

[Rob Taylor]

Jean-Dominique,

Using HWIC on an ISR, you can configured xconnect on an SVI (not on 
physical port), but that xconnect will not allow BPDUs to pass over the 
l2tpv3 tunnel.
This requires latest 12.4T code (tested on 12.4(24)T3).

Its a known limitation on the HWIC, and development does not have 
current plans to fix it do to the other implications for the hwic module.

So, use dedicated L3 ports for l2tpv3 if you need bpdus to pass.

Rob

On 10/20/2010 7:06 AM, Jean-Dominique BAYLAC wrote:
> Hello all.
>
> I try to realize a setup with 2 cisco 2801 to backup a fiber in case 
> of outage.
> We have 2 pairs of cisco 3750 on each site with one path to fiber, and 
> one path via pseudowire
>
> On 2801
>
> interface FastEthernet0/0
>  ip address 10.0.0.1 255.255.255.252
>  speed 100
>  full-duplex
>  no mop enabled
> !
> interface FastEthernet0/1
>  no ip address
>  duplex auto
>  speed auto
>  no cdp enable
>  xconnect 10.0.0.2 1 encapsulation l2tpv3 pw-class BACKUPLINK
>
>
> I need to interconnect the 2801's to a third site. This time is a 
> classic vpn with route.
>
> HQ: 192.168.0/24
> REMOTE: 192.168.10.0/24
>
>
> But with my current setup, 2801's pass the trafic of the 3750's but, 
> don't care the content of packet.
>
> i need to connect another interface from the 2801 to the 3750,
>
>
> I want to know if is possible to xconnect a port from HWIC-4ESW, or i 
> need absolutly HWIC-1FE(L3 port) ?
>
> Thank's for your reply
>
>
>
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