Rajagopalan Sivaramakrishnan <r...@juniper.net> writes:

> There isn’t a utility to do this currently. It would be a useful thing
> to add. If you are interested in contributing this change, please let
> us know and we can work with you.

It seems the vrouter module doens't broadcast any netlink messages, and
then, it is not possible to implement a tool such as `ip mon` for the
vrouter module.

Another way would be to use the nlmon module and launch a capture to get
netlink messages... but I've the feeling this is not really clean in a
prod env!

Do you confirm these statements?

So, to be able to get netlink notifications from the vrouter, the
vrouter module should send some netlink broadcast messages when
interesting events occur.

Maybe, it would be easiest to emit notifications (netlink or not) from
the vrouter agent side (but I would prefer to emit notifications as
close as possible to the dataplane). But I didn't explore this way.

What do you think about this? Are there other ways to get notifications?

Antoine.


> Raja
>
> On 12/5/16, 6:41 AM, "Dev on behalf of l...@abesis.fr" 
> <dev-boun...@lists.opencontrail.org on behalf of l...@abesis.fr> wrote:
>
>     Hi All,
>     
>     I would like to dump messages between the vrouter userspace and the
>     vrouter kernel module. I'm especially interested by messages related to
>     vrfs and vifs.
>     
>     With iproute2, there is the `ip monitor` command that dumps messages in
>     realtime.
>     Is there something similar with Contrail, ie. connect to netlink, decode
>     sandesh messages and dump them ?
>     If not, do you think it would be possible (and reasonable) to do this?
>     
>     Thanks
>     
>     _______________________________________________
>     Dev mailing list
>     Dev@lists.opencontrail.org
>     http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org
>     

_______________________________________________
Dev mailing list
Dev@lists.opencontrail.org
http://lists.opencontrail.org/mailman/listinfo/dev_lists.opencontrail.org

Reply via email to