FYI, I started to implement a POC and created a review [1].
The vrouter module broadcast netlink mesages when a route is added and
the 'rt --monitor' command gets and prints these messages:
cloud@contrail-master:/opt/stack/contrail$ sudo
/opt/stack/contrail/build/debug/vrouter/utils/rt --monitor
7 0 12 0:0:5e:0:1:0 Df
- 3 0
7 0 48 2:ee:e3:e5:c5:54 Df
- 3 0
AF_INET 0 10.0.0.1/32 0 T -
5 -
AF_INET 0 10.0.0.255/32 0 T -
5 -
AF_INET 0 224.0.0.0/8 0 T -
5 -
AF_INET 0 10.0.0.0/24 0 T -
9 -
AF_INET6 0 ff00::/8 0 T -
5 -
[1] https://review.opencontrail.org/#/c/27344
[email protected] writes:
> 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
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