Re: wait link up before route configuration

On Wed, Aug 28, 2024 at 1:21 AM yann.masson@thehomecave.fr <
yann.masson@thehomecave.fr> wrote:

> After configuring interfaces and routes, and triggering a 'service netif
> restart && service routing restart' is there a way to wait for the 'carrier
> up' of the interface before route reconfiguration? My use case is a server
> with 2 Mellanox and a Lagg. The 2 mce interfaces are UP in milliseconds but
> the lagg interface takes a few seconds to be UP, and the routing service
> says 'Network unreachable'. The subnet is a /32 and the gateway need a
> static route like: # /etc/rc.conf.d/netif cloned_interfaces="lagg0"
> ifconfig_mce0="up" ifconfig_mce1="up" ifconfig_lagg0="laggproto lacp
> laggport mce0 laggport mce1 198.51.100.1 netmask 255.255.255.255 mtu 1500"
> # /etc/rc.conf.d/routing route_defaultgw="-host 203.0.113.1 -link
> -interface lagg0" defaultrouter="203.0.113.1" static_routes="defaultgw" If
> I run 'service netif restart && sleep 5 && service routing restart',
> everything is ok. I didn't find any options for that, and was thinking
> about a patch in the routing script. Thanks
>
Read through the comments in /etc/rc.d/netwait as that should do what
you're looking for (wait until the interface is active or wait until you
get a ping response from an IP before continuing with network
configuration).

-- 
Freddie Cash
fjwcash@gmail.com