netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Patrick McHardy <kaber@trash.net>
To: Stephen Hemminger <stephen.hemminger@vyatta.com>
Cc: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>,
	Stephen Hemminger <shemminger@vyatta.com>,
	David Miller <davem@davemloft.net>,
	netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] IPV4: remove addresses and routes when carrier is lost
Date: Tue, 03 Jun 2008 18:03:46 +0200	[thread overview]
Message-ID: <48456B62.8050909@trash.net> (raw)
In-Reply-To: <20080603085707.51fdabbb@speedy>

Stephen Hemminger wrote:
> On Tue, 3 Jun 2008 11:05:24 -0400
> lsorense@csclub.uwaterloo.ca (Lennart Sorensen) wrote:
> 
>> On Mon, Jun 02, 2008 at 04:52:49PM -0700, Stephen Hemminger wrote:
>>> This patch adds a new configuration sysctl that causes link loss to clear
>>> FIB state in the same way as admin down. This allows for routing daemons
>>> like Quagga which have option to remove routes when carrier is lost.
>>>
>>> This has been a long standing problem with Quagga on Linux with complaints
>>> on the developers list going back to 2004. Fixing it properly, so the routing 
>>> daemon manages the RIB, and the kernel manages the FIB, requires changes to
>>> both parts.
>> Does this cover only the local route for the interface, or all routes
>> assigned staticly to the interface too?
> 
> The patch makes carrier down == interface down. So the same
> behaviour as doing 'ip link set dev eth3 down'


Can't the routing daemon simply ignore routes with a
device that has no carrier?


  reply	other threads:[~2008-06-03 16:03 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-02 23:52 [PATCH 1/2] IPV4: remove addresses and routes when carrier is lost Stephen Hemminger
2008-06-02 23:53 ` [PATCH 1/2] IPV6: " Stephen Hemminger
2008-06-03 16:17   ` YOSHIFUJI Hideaki / 吉藤英明
2008-06-03 17:21     ` Stephen Hemminger
2008-06-03 17:25       ` David Miller
2008-06-03 17:28         ` Patrick McHardy
2008-06-03 17:31           ` David Miller
2008-06-03 17:28         ` YOSHIFUJI Hideaki / 吉藤英明
2008-06-03 17:30           ` David Miller
2008-06-03 17:46             ` Stephen Hemminger
2008-06-03 17:53               ` David Miller
2008-06-03 18:34                 ` Stephen Hemminger
2008-06-03 19:06                   ` David Miller
2008-06-03 21:40                     ` Stephen Hemminger
2008-06-03 15:05 ` [PATCH 1/2] IPV4: " Lennart Sorensen
2008-06-03 15:57   ` Stephen Hemminger
2008-06-03 16:03     ` Patrick McHardy [this message]
2008-06-03 16:31       ` Stephen Hemminger
2008-06-03 16:44         ` Patrick McHardy
2008-06-03 21:45       ` Lennart Sorensen
2008-06-03 22:32         ` Patrick McHardy
2008-06-04 13:53           ` Lennart Sorensen
2008-06-03 21:44     ` Lennart Sorensen
2008-06-06 14:56 ` Lennart Sorensen

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=48456B62.8050909@trash.net \
    --to=kaber@trash.net \
    --cc=davem@davemloft.net \
    --cc=lsorense@csclub.uwaterloo.ca \
    --cc=netdev@vger.kernel.org \
    --cc=shemminger@vyatta.com \
    --cc=stephen.hemminger@vyatta.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).