I am not sure if I understand the question fully. The route for the gateway address is populated in the data path (for each vrf) by the vrouter user space agent and its nexthop points at the pkt0 interface. When the VM pings its default gateway, these packets are sent/received on the pkt0 interface and handled by the agent.
Raja From: kevin parrikar <kevin.parker...@gmail.com> Date: Monday, November 21, 2016 at 10:45 AM To: Raja Sivaramakrishnan <r...@juniper.net> Cc: dev <d...@lists.opencontrail.org>, "<users@lists.opencontrail.org>" <users@lists.opencontrail.org> Subject: Re: [Users] pkt0 as gateway for instances and route distinguisher Thank you so much for your reply Raja, Can you please confirm whether it is Route Distinguisher that makes pkt0 appear to instances as different gateways and if so, how it can be seen? Regards, Kevin On 21 Nov 2016 11:32 p.m., "Rajagopalan Sivaramakrishnan" <r...@juniper.net<mailto:r...@juniper.net>> wrote: Hi Kevin, Please see below. Raja * Why tcpdump on pkt0 don't show packets leaving entering the interface, >Tcpdump does work on pkt0 interfaces. Please use –x to dump the packets in >hex. If you are using vrouter with DPDK, please use vifdump instead of >>tcpdump.
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