[c-nsp] Can not ping across OTV

[Cassio Lange]

Hello Richard,

You probably hit the bug CSCuo44890. You need configure "interop-enable" on
N7K.

https://www.cisco.com/c/en/us/support/docs/switches/nexus-7000-series-switches/118917-configure-nx7k-00.html


Good luck.

On Thu, Jul 11, 2019 at 8:28 AM Richard Mikisa <rmikisa at gmail.com> wrote:

> Hi All,
>
> I have setup unicast OTV between two DCs. Site A uses a Nexus 7010
> with a dedicated OTV VDC for the implementation. Site A uses an ASR
> 1000x. OTV works fine and all the MAC addresses of devices in the
> extended Vlan are learnt by the switches in both DCs.
> I can ping devices at site B from the OTV VDC in site A and  can also
> ping devices at Site A from the ASR in site B.
> I have setup the local HSRP on the switches as gateways for the devices.
>
> However, I can not ping the remote devices in the extended VLAN beyond
> the OTV routers.
>
> Packet captures on the ASR during a ping from site A show that icmp
> replys make it to the internal (switch facing) interface but not to
> the egress.
>
> What might I be missing?
> --
> cheers
> Richard
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