From: Sven Ulland <sveniu@opera.com>
To: netdev@vger.kernel.org
Subject: Re: Route flagged RTCF_REDIRECTED without ICMP redirs?
Date: Fri, 14 Oct 2011 09:15:48 +0200 [thread overview]
Message-ID: <4E97E1A4.9080703@opera.com> (raw)
In-Reply-To: <20111013185015.fa2abpjlpw8c0408@staff.opera.com>
On 10/13/2011 08:50 PM, sveniu@opera.com wrote:
> How can a route end up with being flagged with RTCF_REDIRECTED, and
> point to the default gateway, even though it's explicitly set to
> route to another node in the same subnet, in the rpdb and routing
> tables? There is zero trace of icmp redirects, and all redirect
> sysctls have been disabled, and the route cache flushed before every
> test.
This turned out to be due to [1], where the inet peer cache kept
a redirect learned via icmp before accept_redirect and friends were
disabled, so it was propagated to the route cache. Resolved by
a reboot to clean the inet peer cache.
[1]: Commit f39925d:
<URL:https://github.com/torvalds/linux/commit/f39925dbde7788cfb96419c0f092b086aa325c0f>
best regards,
Sven Ulland
prev parent reply other threads:[~2011-10-14 7:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-13 18:50 Route flagged RTCF_REDIRECTED without ICMP redirs? sveniu
2011-10-14 7:15 ` Sven Ulland [this message]
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=4E97E1A4.9080703@opera.com \
--to=sveniu@opera.com \
--cc=netdev@vger.kernel.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.