RE: forwarding with ttl=1

2004-02-05 Thread Lee Dilkie
Hi All I am newbie with configuring networks under FreeBSD . I have small network with gateway running on FreeBSD 5.2 Release .My ISP offers me pppoe service for connecting to Internet . I didn't have problems with configuring ppp with pppoe . I used nat option wchich works fine for

RE: forwarding with ttl=1

2004-02-05 Thread Alexander Botov
The problem is that the ISP's gateway returns every time packets with ttl=1 which makes further forwarding impossible . My gateway returns icmp error mesage time exceeded and discards packets . TTL (Time To Live) is a counter value in an IP packet that gets decremented by every hop

Re: forwarding with ttl=1

2004-02-05 Thread Alexander Botov
TTL (Time To Live) is a counter value in an IP packet that gets decremented by every hop (router). When it reaches a value of zero, the packet is discarded. One more thing . If the packet is going to be forwarded and the TTL has value of 1 than the hop discards the packet . A system should

Re: forwarding with ttl=1

2004-02-05 Thread Stephen L Martin
Alex, When posting please wrap your lines...they are easier to read and some MUA's don't deal well with them...including mine :) Thanks. This situation is kind of funny, I've never heard of an ISP doing this. I belive what you want to do is, if you are using IpFilter, use the fastroute keyword.

Re: forwarding with ttl=1

2004-02-05 Thread Dancho Penev
On Thu, Feb 05, 2004 at 03:17:04PM +0200, Alexander Botov wrote: From: Alexander Botov [EMAIL PROTECTED] To: [EMAIL PROTECTED] Date: Thu, 5 Feb 2004 15:17:04 +0200 Subject: forwarding with ttl=1 Hi All I am newbie with configuring networks under FreeBSD . I have small network with gateway