[c-nsp] best PE-CE protocol

Christopher Hunt dharmachris at gmail.com
Fri Aug 14 01:54:09 EDT 2009


PE1 is a 7200 VXR NPE-1G, PE2 is a 2851 with 512MB , both running 12.4(9)T
or better.  For this customer, less than 10 vrfs on each PE

On Thu, Aug 13, 2009 at 6:50 PM, William McCall <william.mccall at gmail.com>wrote:

> What kind of boxes are you using for PE? How many VRFs do you have on
> the box? What code is running?
>
> There are limits to the number of OSPF processes (at least on some
> platforms and code), so I tend to prefer eBGP, but OSPF has its
> obvious advantages.
>
> --William McCall
>
> On Thu, Aug 13, 2009 at 5:23 PM, Christopher Hunt<dharmachris at gmail.com>
> wrote:
> > Given a customer with a 10mbps fiber connection into PE1 on a L3 MPLS VPN
> > and also a backup ADSL link to PE2 on the same provider's L3 MPLS VPN,
> what
> > is the best PE-CE protocol to use?  I assume we could run eBGP over both
> > links and weight them from the provider's end, as well as the customer
> end.
> > But I'm starting to wonder if PE-CE OSPF wouldn't be a better choice.
>  The
> > customer site only hosts a few /24s and the SP would be the default route
> as
> > the customer is colocating a firewall at the SP's colo.  Any experience
> or
> > opinions would be greatly appreciated.
> >
> > Thanks
> > DC
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> >
>


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