From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: lkml@einar-lueck.de
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] net/ipv4 for Source VIPA support, kernel BK Head
Date: Wed, 01 Sep 2004 13:25:28 +0100 [thread overview]
Message-ID: <1094041525.2376.62.camel@localhost.localdomain> (raw)
In-Reply-To: <200409011441.10154.elueck@de.ibm.com>
On Mer, 2004-09-01 at 13:41, Einar Lueck wrote:
> The following small patch (applies to BK head) addresses issues relevant for transparent NIC failover (especially in case of NFS). It allows to configure on a per device basis via sysctl an IP address (Source Virtual IP Address - Source VIPA) that is set as IP source address for all connections for which no bind has been applied. ?To allow for NIC failover one then just needs:
> 1. A dummy-Device set up with the Source VIPA
> 2. Outbound routes via both/all redundant NICs for the relevant packets (more precisely: dynamic routing with for example ZEBRA)
> 3. Routes to the Source VIPA on the relevant router having the IPs of the redundant NICs configured as gateways (more precisely: dynamic routing with for example ZEBRA)
> Dynamic routing is mandatory as it is necessary that dead routes (e.g. NIC dead) are removed at the relevant router.
Is there anything here that cannot already be done by the ip route
command and iptables nat ?
next prev parent reply other threads:[~2004-09-01 13:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-01 12:41 [PATCH] net/ipv4 for Source VIPA support, kernel BK Head Einar Lueck
2004-09-01 12:25 ` Alan Cox [this message]
2004-09-02 16:22 ` Paul Jakma
2004-09-02 16:58 ` Einar Lueck
2004-09-02 20:59 ` Paul Jakma
2004-09-03 8:07 ` Einar Lueck
2004-09-03 16:53 ` Paul Jakma
2004-09-06 7:50 ` Einar Lueck
2004-09-06 7:57 ` Paul Jakma
2004-09-07 15:34 ` Herbert Poetzl
2004-09-05 23:02 ` Daniel Roesen
2004-09-06 3:22 ` David S. Miller
-- strict thread matches above, loose matches on Subject: below --
2004-09-02 12:01 Einar Lueck
2004-09-02 11:05 ` Alan Cox
2004-09-02 12:20 ` Einar Lueck
2004-09-02 11:24 ` Alan Cox
2004-09-02 12:51 ` Einar Lueck
2004-09-02 20:50 ` David S. Miller
2004-09-02 13:13 ` Bill Rugolsky Jr.
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=1094041525.2376.62.camel@localhost.localdomain \
--to=alan@lxorguk.ukuu.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=lkml@einar-lueck.de \
/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.