tech-net: Re: IP NAT problem over pppoe(4)

Subject: Re: IP NAT problem over pppoe(4)
To: Matthias Scheler <tron@zhadum.de>
From: Martin Husemann <martin@duskware.de>
List: tech-net
Date: 12/10/2002 21:36:04

On Tue, Dec 10, 2002 at 07:57:29PM +0000, Matthias Scheler wrote:

> 10:59:03.685273 PPPoE  [ses 0xfee] IP 26: netbsd.hut.fi > colwyn.zhadum.de: tcp (frag 3407:4@1440) [tos 0x8] 
> 10:59:03.703241 PPPoE  [ses 0xfee] IP 1462: netbsd.hut.fi.ssh > colwyn.zhadum.de.16389: . 2653:4061(1408) ack 1946 win 33580 <nop,nop,timestamp 2574940 10> (frag 3407:1440@0+) [tos 0x8] 
> 11:00:07.677065 PPPoE  [ses 0xfee] IP 26: netbsd.hut.fi > colwyn.zhadum.de: tcp (frag 3852:4@1440) [tos 0x8] 
> 11:00:07.694577 PPPoE  [ses 0xfee] IP 1462: netbsd.hut.fi.ssh > colwyn.zhadum.de.16389: . 2653:4061(1408) ack 1946 win 33580 <nop,nop,timestamp 2575068 10> (frag 3852:1440@0+) [tos 0x8] 

Is it only me or are the 26 byte fragments missing on the inside?

> 10:59:03.703378 netbsd.hut.fi.ssh > lyssa.zhadum.de.65522: . 2653:4061(1408) ack 1946 win 33580 <nop,nop,timestamp 2574940 10> (frag 3407:1440@0+) [tos 0x8] 
> 11:00:07.694726 netbsd.hut.fi.ssh > lyssa.zhadum.de.65522: . 2653:4061(1408) ack 1946 win 33580 <nop,nop,timestamp 2575068 10> (frag 3852:1440@0+) [tos 0x8] 

Have you got any ipf rules in place that might interfere?

Martin