[cisco-nas] terminating DSL VLANs/Tunnels (spec. bell nexxia,canada)

[Dennis Peng]

Dave [Hawk-Systems] [dave at hawk-systems.com] wrote:
> >What kind of tunnels are you talking about? Are these L2TP tunnels? If
> >so, the 3550 doesn't support L2TP termination.
> >
> >Dennis
> 
> good catch,  they are L2TP tunnels.   VLAN trunking is ISL.
> 
> As such, the question becomes what do we need to terminate the tunnels in,
> recommended setup sort of thing, from the given 120 tunnel count over the 12
> VLANs.

Is that 120 tunnel or 120 sessions? If tunnels, how many sessions do
you expect? It sounds like you are looking for both a router and a
switch combined into one. I think the c37xx has a switch module but I
don't know if it has sufficient port density or is the most cost
effective solution for your needs though.

Dennis

> Obviously I was hoping the robust and feature-full nature of the 3550 would be a
> one shot solution to save on configuration, device number, and rackspace.
> 
> Dave
> 
> 
> >Dave [Hawk-Systems] [dave at hawk-systems.com] wrote:
> >> (may be OT in that it doesn't specifically reference a cisco nas,
> >but it deals
> >> in access provisisioning of sirts so am hoping it will reach the
> >right audience)
> >>
> >> we are about to terminate a 100baset connection from bell nexxia up here over
> >> which they will be sending 120 tunnels from the various redback
> >switches to us
> >> spread over 12 VLANs.
> >> this will connect all the various DSL clients to our network for us to route
> >> traffic out our internet pipe (datacenter).
> >>
> >> We are looking at having this terminate into a Cisco 3550 EMI to have all the
> >> VLANs and Tunnel switching and so forth.  This would provide sufficient port
> >> density for the DNS, Radius, and so forth servers wthat will also occupy the
> >> rack in the datacenter.
> >>
> >> Had some brief speculation on this earlier, and before actually purchasing,
> >> wanted to make sure that this would more than likely handle our needs.  Can
> >> anyone either with first hand experience with Bell or other such DSL service
> >> links provide some insight and/or recommendations?
> >>
> >> thanks
> >>
> >> Dave
> >>
> >>
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