Subject: setting mtu on a dhclient host
To: None <help@netbsd.org>
From: Matt Herzog <mherzog@acamm.org>
List: netbsd-help
Date: 09/28/2003 16:09:59
Hi All.

I can view all web sites -except- www.netbsd.org.
Someone on efnet #netbsd suggested I try changing my
mtu so I have endevoured to do so.

I can't seem to force netbsd to use a specific mtu size
when running as a dhclient. My pppoe gateway device (a Linksys
gateway switch) has a max mtu of 1492 and netbsd wants to keep 
mtu 1500 no matter what I try. 

in sysctl.conf I have: net.inet.tcp.mss_ifmtu=1

My dhclient.conf reads:

timeout 60;
retry 60;
reboot 10;
select-timeout 5;
initial-interval 2;
interface "fxp0" {
media "link0";
option default interface-mtu 1400;
}

Anyone have a suggestion? I need to be able to access the mail archives
at netbsd.org. They seem not to be mirrored anywhere.

-- 
Matthew Herzog

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