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Posted by Stephen on June 16, 2008, 5:58 pm
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>I created Ethernet subinterfaces with VLAN and isl/dot1q
>encapsulation.
>then i tried Applying VRF (part of MPLS VPN) to it, and it worked
>without giving error.
what you probably have is each vlan can be bound as an interface to a
VRF.
>But I believe, VPN isnt supported on VLAN interfaces.. it doesnt make
>sense to have L3 tunneling inside L2.
what you have is vlans which are logical interfaces to the different
emulated routers in each VRF.
FWIW the way we support multiple VPNs to a site with Ethernet WAN
access is to extend each VRF from PE to CE as a different VLAN tag
>I dont know if this configuration works in real, but it is accpeted by
>cisco CLI.
it does work. it does not need VPNs or MPLS to be useful.
>
>Any ideas?
for example we run management in 1 VRF in a L3 switch, and customer
traffic in another.
2 logical routing instances in different VRFs, with different routing
tables.
--
Regards
stephen_hope@xyzworld.com - replace xyz with ntl
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