[c-nsp] PWE3 suggestions?

[Steve Teti]

On 5/19/2011 3:03 PM, Mike wrote:
> On 05/19/2011 11:06 AM, Steve Teti wrote:
>> On 5/19/2011 1:22 PM, Mike wrote:
>>> The specfic configuration, I think, is one where
>>> the end user has said 1720 and t1 wic, which connects via t1 to my
>>> aggrgation point (an adtran ta5000, in a telco co somewhere), which then
>>> tunnels across my network to a router doing pwe, simply to provide ip
>>> routing to that end user. I don't need physical t1 ports except at the
>>> telco office, but it's been suggested in the docs I saw that even with
>>> pwe3 I still would have to have some kind of 't1' interface hardware
>>> somewhere in the cisco box in order to make it fly.
>>
>> I may have missed something in your requirements, but why do you need
>> pseudowire at all? Couldn't you simply terminate each customer T1 as a
>> separate routed PPP interface on the TA5000, then backhaul the TA5000
>> into the rest of your network as "just another aggregation router"?
>
> The TA5000 doesn't work that way, it has no routing or ppp functionality
> at all. The two primary modes are either cross connect two t1's that are
> terminated both on the same chassis (creating a point to point link), or
> shunt a t1 via pseudowire over to some other device in the network for
> processing, presumably another ta5000 or other device in a remote
> office. Its totally protocol agnostic in this regard.

Oops, my mistake. I was thinking of the Adtran Netvanta 5000, which *is* 
a router.

Steve