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From: David Ahern <dsahern@kernel.org>
To: Ido Schimmel <idosch@idosch.org>, Hangbin Liu <liuhangbin@gmail.com>
Cc: netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Thomas Haller <thaller@redhat.com>
Subject: Re: [PATCHv3 net] ipv6: do not match device when remove source route
Date: Sun, 23 Jul 2023 12:12:00 -0600	[thread overview]
Message-ID: <8c8ba9bd-875f-fe2c-caf1-6621f1ecbb92@kernel.org> (raw)
In-Reply-To: <ZLzhMDIayD2z4szG@shredder>

On 7/23/23 2:13 AM, Ido Schimmel wrote:
> 
> I don't know, but when I checked the code and tested it I noticed that
> the kernel doesn't care on which interface the address is configured.
> Therefore, in order for deletion to be consistent with addition and with
> IPv4, the preferred source address shouldn't be removed from routes in
> the VRF table as long as the address is configured on one of the
> interfaces in the VRF.
> 

Deleting routes associated with device 2 when an address is deleted from
device 1 is going to introduce as many problems as it solves. The VRF
use case is one example.

  reply	other threads:[~2023-07-23 18:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-20  6:59 [PATCHv3 net] ipv6: do not match device when remove source route Hangbin Liu
2023-07-20 13:22 ` Ido Schimmel
2023-07-20 14:49   ` Ido Schimmel
2023-07-21  8:59     ` Hangbin Liu
2023-07-23  8:13       ` Ido Schimmel
2023-07-23 18:12         ` David Ahern [this message]
2023-07-25 10:06           ` Ido Schimmel
2023-07-25 22:37             ` David Ahern
2023-07-26  9:46               ` Hangbin Liu
2023-07-24  9:42         ` Hangbin Liu
2023-07-25  8:06           ` Ido Schimmel

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