Is there a vendor in the middle? Perhaps QinQ tagging would be an option here.
> > A firm has proposed creating a GRE tunnel between two datacenters (using > a > > 3750X stack at each) to create the spanned vlans needed for VMWare > > failover application. > > > > Clearly there is tunnel overhead but I sense there are other failure > modes > > here that aren't so clear to me--I am familiar in concept with GRE > tunnels > > but don't have a heck of a lot of opex. Can anyone share more insight on > > the merit (or lack of) with this proposed design? I am aware (via this > > list, thanks!) of several shortcomings surrounding 3750 based stacks, but > > cisco alternatives seem pricier still or too big. There is dark fiber > > available, what about VPLS w/ LDP or L2TP solution? > > > > Current network is L3 at the access layer w/ OSPF (4507-sup6 access, > 4900M > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
