check_route or equivalent?

Robin-David Hammond%KB3IEN muaddib at databit7.com
Fri Sep 22 21:37:53 CEST 2006


looking at my ping'(ipv4)s man page using -g and the IP of the secondary 
gateway would work.

using ipv6 i tend to run one rtsold advertisement for each pipe for each 
gateway. Thus a host on a network that is comprised of two interconnected 
routers with independent access to two shared pipes would have at /least/ 
4 IPs, thus src address alone is sufficient in the ip6 world!

('local'* services are by fe80:: or rfc 4193 addressing depending upon 
segmentation).

* as in LAN or corporate-internal.

  On Fri, 22 Sep 2006, Hari Sekhon wrote:

> Date: Fri, 22 Sep 2006 19:21:23 +0100
> From: Hari Sekhon <hpsekhon at googlemail.com>
> To: nagios-users at lists.sourceforge.net
> Subject: [Nagios-users] check_route or equivalent?
> 
> I've got a second firewall connected to an adsl modem as a backup and I
> want to be able to monitor that the second line is actually working and
> routing properly to the internet.
>
> What I would like to do is to send a traceroute to www.google.com but
> send it via the ip of the backup firewall instead of the default gateway.
>
> I just want to check ping using this ip as my local gateway instead of
> the usual default gateway.
>
> Does anybody know of a plugin to do this or have any idea how I can send
> this ping without changing my routing on the nagios host server?
>
> -h
>
> -- 
> Hari Sekhon
>
>

Robin-David Hammond     KB3IEN


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