From: Mike Fedyk <mfedyk@matchmail.com>
To: lartc@vger.kernel.org
Subject: [LARTC] NATing problems
Date: Mon, 19 Mar 2001 03:17:57 +0000 [thread overview]
Message-ID: <marc-lartc-98497187706765@msgid-missing> (raw)
Hi,
I've looked in the archives, and I haven't found anything that deals with
what I'm seeing. :(
I have a briged dsl with 5 IPs. I've been using one of them for over a year
without trouble.
Let me start with a diagram:
64.x.x.233
NATing sdsl
10.1.1.1
\
eth1: eth2:
63.x.x.202 10.1.1.2
\ /
\ /
Linux 2.2.18
|
eth0:
/ \
10.0.0.1 10.0.0.2
65.x.x.31 = outside comp
tcpdump version 3.4a6
libpcap version 0.4a6
ip ro add nat 63.x.x.203 via 10.0.0.3
#now it will respond to arps on eth1
ip ru add from 10.0.0.3 nat 63.x.x.203
#this is supposed to make the replies come back, but it doesn't
When I ping from outside host I can see the ARPs, and the incomming echo
requests, but no responses. Also, if a ping comes in on eth1 to
63.x.x.203 it will show comming in but won't show going out on eth0.
Take a look at these cache lines:
63.x.x.203 from 65.x.x.31 via 10.0.0.3 dev eth0 src 63.x.x.202
\cache <dst-nat> mtu 1500 rtt 375ms iif eth1
local 10.1.1.2 from 65.x.x.31 dev lo src 10.1.1.2 \ cache <local> iif
eth2
65.x.x.31 from 10.1.1.2 tos lowdelay via 10.1.1.1 dev eth2 \ cache mtu
1500 rtt 375ms
Is linux router trying to send packets to 10.0.0.3 with src as 63.x.x.202?
I'm trying to get this working by monday, I home someone is watching today.
Mike
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reply other threads:[~2001-03-19 3:17 UTC|newest]
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