Hi, On Wed, May 09, 2012 at 12:28:59PM +0100, Darren O'Connor wrote: > I'm trying to find a possible way to run dot1q tags over serial and/or > dsl interfaces. I could trunk over E1's on my old Riverstone kit without > a problem, but I can't find a way to do it with a Cisco box. > > Is this possible?
Cisco can do *bridging* over E1, which might or might not do dot1q if
tagged packets are coming in via the to-be-bridged LAN interface. Might
be worth a try :-)
If you want to do routing via those E1s, and have separate "virtual routers"
(what is dot1q to switches), take a look at either FrameRelay encapsulation
on the E1, or MPLS with VRF/Layer3 VPNs. Or MPLS with Layer2 VPNs.
It's a bit unclear what you are trying to achieve...
gert
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