netdev - Re: IPVS-DR problem with neigh lookup in 3.6

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Message-Id: <20121004.025808.2302904472507419433.davem@davemloft.net>
Date:	Thu, 04 Oct 2012 02:58:08 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	ja@....bg
Cc:	netdev@...r.kernel.org
Subject: Re: IPVS-DR problem with neigh lookup in 3.6

From: Julian Anastasov <ja@....bg>
Date: Thu, 4 Oct 2012 09:52:47 +0300 (EEST)

> 	Is it a good idea to keep rt_gateway always
> valid and to check RTCF_REDIRECTED where needed?

What exactly do you mean by this?  rt_gateway can only
be explicit nexthop or zero for local subnet.

It cannot take on any other value, otherwise routes are
not properly sharable.

> Because adding rt_dst does not look good, it will not
> help to callforward_do_filter too.

Adding rt_dst is not to be seriously considered.
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