[c-nsp] Cisco ASR/CSR VXLAN

[Adam Vitkovsky]

Hi Skeeve,

> Skeeve Stevens
> Sent: Wednesday, November 04, 2015 3:51 PM
>
> Hi all,
>
> I presume this issue is the same on both the CSR1k and ASR1k platforms.
>
> Given that VXLAN has to terminate on a Layer 3 interface... I am struggling to
> figure out how to terminate a VXLAN at layer 2 on the platform and then put
> layer 3 onto it (SVI style).
>
> Anyone got any ideas?

On ASR9k you can do VXLAN L3 GW BDI style i.e. setting "routed interface bvi" under the bridge-domain that is a member of a vni.
- but I'm not sure if the same is supported on ASR1k (certainly can't see it anywhere in the docs).

But don't confuse this with VXLAN L3 GW EVPN style - if you are using EVPN CP for VXLAN you can stitch EVPN NLRI to L3VPN NLRI effectively converting EVPN routes into L3VPN routes to be carried across MPLS L3VPN.
(though one has to ask why this interim step and not implementing native L2VPN with EVPN CP for VXLAN).


adam


        Adam Vitkovsky
        IP Engineer

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