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Date:      Thu, 18 Oct 2007 12:32:40 +0200 (CEST)
From:      "Klavs Klavsen" <kl@vsen.dk>
To:        freebsd-net@freebsd.org
Subject:   Re: packet loss with carp on 6.2
Message-ID:  <3981.62.242.232.132.1192703560.squirrel@www.enableit.dk>
In-Reply-To: <2385.62.242.232.132.1192696439.squirrel@www.enableit.dk>
References:  <2385.62.242.232.132.1192696439.squirrel@www.enableit.dk>

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I tried to just disable carp on the new machine (simply comment out carp
config from /etc/rc.conf.local) and now the packet loss is gone - and
hasn't been there for half an hour, so far.

Seems the carp network interfaces has bugs.

On Thu, October 18, 2007 10:33, Klavs Klavsen said:
> Hi guys,
>
> I have had a FreeBSD 6.2 (-p1 - yes I know :) firewall running for a
> while, with pf fw rules. It has worked fine, and was a replacement for a
> fbsd 4.x ipfw firewall.
>
> Now I just replaced the 6.2 pf firewall, with a 6.2 (-p7) and carp
> interfaces enabled. It's using the same cables and the same type of
> network cards (bge and em). The new one, is a HP dl385 (amd) where the old
> one, was a HP dl380 (Intel).
>
> On the new one, fping (and ping -f) pinging through the firewall, gives me
> a packet loss. fping in nagios, reports up to 55% packet loss :( - a ping
> -f gives me 1-3%, but bad enough :(
>
> pinging from the firewall itself, to one of the hosts, that packets are
> lost to (when pinging from other networks) does not give any packet loss.
>
> The old 6.2, had polling enabled - and I've tried to disable polling on
> the new, but to no effect.
>
> Any ideas what else to try?
>
> --
> Regards,
> Klavs Klavsen, GSEC - kl@vsen.dk - http://www.vsen.dk
> PGP: 7E063C62/2873 188C 968E 600D D8F8  B8DA 3D3A 0B79 7E06 3C62
>
> "Those who do not understand Unix are condemned to reinvent it, poorly."
>   --Henry Spencer
>
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-- 
Regards,
Klavs Klavsen, GSEC - kl@vsen.dk - http://www.vsen.dk
PGP: 7E063C62/2873 188C 968E 600D D8F8  B8DA 3D3A 0B79 7E06 3C62

"Those who do not understand Unix are condemned to reinvent it, poorly."
  --Henry Spencer




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