From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Simon Schneider <simon-schneider@gmx.net>
Cc: netdev@vger.kernel.org
Subject: Re: Re: Route exceptions for IPv6 routes?
Date: Wed, 15 Jan 2014 14:04:54 +0100 [thread overview]
Message-ID: <20140115130454.GE19945@order.stressinduktion.org> (raw)
In-Reply-To: <trinity-6d5496d3-c58c-4b56-a0a8-777473467042-1389788725698@3capp-gmx-bs13>
Hi!
On Wed, Jan 15, 2014 at 01:25:25PM +0100, Simon Schneider wrote:
> thanks for the answer.
>
> Sorry, I'm not so familiar with the implementation details.
>
> What are nh-exceptions?
Nexthop exceptions, they store e.g. pmtu information in IPv4.
> I understand the current IPv6 implementation has some performance drawbacks. Correct?
>
> I'm especially interested in
> a) support for path MTUs
They are stored in the RTF_CACHED leafs of the routing table.
> b) IPv6 policy-based routing (can I expect the same results from "ip -6 rule" commands that I get from "ip rule" commands?)
Yes, you can. And they have nearly the same implementation overhead.
Additionally you can add routes which match a specific source and handle them
directly, this is a feature only in IPv6:
E.g. ip -6 route add .... from ... via ...
Greetings,
Hannes
prev parent reply other threads:[~2014-01-15 13:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-15 8:01 Route exceptions for IPv6 routes? Simon Schneider
2014-01-15 11:51 ` Hannes Frederic Sowa
2014-01-15 12:25 ` Aw: " Simon Schneider
2014-01-15 13:04 ` Hannes Frederic Sowa [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=20140115130454.GE19945@order.stressinduktion.org \
--to=hannes@stressinduktion.org \
--cc=netdev@vger.kernel.org \
--cc=simon-schneider@gmx.net \
/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).