[nsp] Multiple ip local pools for PPPoA/E aggregation

[Dennis Peng]

Scott Lambert [lambert at lambertfam.org] wrote:
> Hopefully this is the right list, it may be better suited for the cisco
> NAS list.

There's a "broadband aggregation list" as well, cisco-bba, which is
probably most appropriate.

> 
> I'm trying to split an "ip local pool" between two groups of PVCs each
> of which have both PPPoE and PPPoA PVCs.
> 
> The part that is confusing me is how the vpdn-group for the pppoe
> PVCs is selected.  How would I use two vpdn-groups?  I don't see any

You can't use two vpdn-groups. :)

> reference to the vpdn-group inside the "vc-class atm" or PVC stanzas in
> the config.  I've been digging through cisco's site and google all night
> but I'm apparently not fluent enough to put it together yet from the
> data I've found.

To do what you want, you'll need to use the "PPPoE Profiles" feature
in 12.2(15)T or 12.3/12.3T. Docs are here:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t15/ftpprfls.htm

Dennis

> PPPoA seems to be much more clearcut.
> 
> The point of this exercise is that I need to split one group of the DSL
> PVCs to another router, but want to be able to leave the config on the
> existing system ready in case I have to fall back.  I want fall back
> to be as simple as physically moving the ATM T1s back to the existing
> system.  If I don't split the ip local pool, there will be config
> changes required since I don't have enough available IP space to create
> a new pool from fresh IPs on the new box.
> 
> -- 
> Scott Lambert                    KC5MLE                       Unix SysAdmin
> lambert at lambertfam.org
> 
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