kern/71474: route lookup does not skip interfaces marked down

[Thomas Quinot]

* Ruslan Ermilov, 2004-09-08 :

>  This is a misconfiguration because you cannot expect two broadcast
>  interfaces configured with the same IP network to work.  The fact

Even if one of them is down??

>  If we change ifa_ifwith*() to ignore !IFF_UP interfaces, I suspect this
>  will break too many things.

I agree, which is why I suggested a different function, not a change to
the existing one (of course both the specific implementation and the
existing ifa_ifwith* could be wrappers around a single generic
function).

>  to set the interface of the route to the interface of its gateway (if
>  route is through the gateway (RTF_GATEWAY)).  This should be easy to
>  fix, but I don't have a time for this now.

Agreed.

Thomas.

-- 
    Thomas.Quinot at Cuivre.FR.EU.ORG