netdev - Re: [PATCH net] net: ipv4: Multipath needs to handle unreachable nexthops

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Message-ID: <1458842124.12033.12.camel@edumazet-glaptop3.roam.corp.google.com>
Date:	Thu, 24 Mar 2016 10:55:24 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Ahern <dsa@...ulusnetworks.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] net: ipv4: Multipath needs to handle unreachable
 nexthops

On Thu, 2016-03-24 at 11:43 -0600, David Ahern wrote:
> On 3/24/16 10:45 AM, Eric Dumazet wrote:
> > On Thu, 2016-03-24 at 08:25 -0700, David Ahern wrote:
> >> Multipath route lookups should consider knowledge about next hops and not
> >> select a hop that is known to be failed.
> >
> > Does not look a net candidate to me.
> 
> you don't consider this a bug? certainly not a feature.

For a bug that lasted years, certainly the fix can be properly tested in
net-next, then eventually backported to stable once validated.

Unless there is a sudden concern about known ways to crash linux
hosts ;)