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From: Guillaume Nault <gnault@redhat.com>
To: Alexander Duyck <alexander.duyck@gmail.com>
Cc: David Ahern <dsahern@gmail.com>, Xin Long <lucien.xin@gmail.com>,
	network dev <netdev@vger.kernel.org>, davem <davem@davemloft.net>,
	mmhatre@redhat.com,
	"alexander.h.duyck@intel.com" <alexander.h.duyck@intel.com>
Subject: Re: route: an issue caused by local and main table's merge
Date: Tue, 10 Mar 2020 17:01:33 +0100	[thread overview]
Message-ID: <20200310160133.GA7670@pc-3.home> (raw)
In-Reply-To: <20200310155630.GA7102@pc-3.home>

On Tue, Mar 10, 2020 at 04:56:32PM +0100, Guillaume Nault wrote:
> On Mon, Mar 09, 2020 at 08:53:53AM -0700, Alexander Duyck wrote:
> > Also, is it really a valid configuration to have the same address
> > configured as both a broadcast and unicast address? I couldn't find
> > anything that said it wasn't, but at the same time I haven't found
> > anything saying it is an acceptable practice to configure an IP
> > address as both a broadcast and unicast destination. Everything I saw
> > seemed to imply that a subnet should be at least a /30 to guarantee a
> > pair of IPs and support for broadcast addresses with all 1's and 0 for
> > the host identifier. As such 192.168.122.1 would never really be a
> > valid broadcast address since it implies a /31 subnet mask.
> > 
> RFC 3031 explicitly allows /31 subnets for point to point links.
That RFC 3021, sorry :/


  reply	other threads:[~2020-03-10 16:01 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-02  8:38 route: an issue caused by local and main table's merge Xin Long
2020-03-09  2:29 ` David Ahern
2020-03-09 15:53   ` Alexander Duyck
2020-03-10 15:56     ` Guillaume Nault
2020-03-10 16:01       ` Guillaume Nault [this message]
2020-03-10 17:19         ` Alexander Duyck
2020-03-11 16:28           ` Guillaume Nault

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