Date: Thu, 30 May 2002 14:19:09 +0200 From: =?iso-8859-1?Q?Erik_Paulsen_Sk=E5lerud?= <erik@pentadon.com> To: <freebsd-questions@freebsd.org> Subject: natd + aliased IP's Message-ID: <000001c207d4$36ebf610$cea8a1d5@erik>
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I have a server running 4.5-RELEASE-p6, it has two NIC's, fxp0 is the
world and xl0 is the LAN.
[erik@psi:~]$ ifconfig -a
fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 213.161.176.118 netmask 0xfffffff0 broadcast
213.161.176.127
inet 213.161.176.119 netmask 0xffffffff broadcast
213.161.176.119
ether 00:90:27:1a:73:d4
media: Ethernet autoselect (10baseT/UTP)
status: active
xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
options=3<rxcsum,txcsum>
inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
ether 00:01:02:a3:6d:83
media: Ethernet autoselect (10baseT/UTP)
status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
[erik@psi:~]$ ps aux | grep natd
root 11813 1.1 0.1 512 248 ?? Rs 1:50PM 0:25.57
/sbin/natd -s -m -a 213.161.176.118
[erik@psi:~]$ netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif
Expire
default 213.161.176.113 UGSc 28 852089 fxp0
127.0.0.1 127.0.0.1 UH 0 925 lo0
192.168.0 link#2 UC 1 0 xl0
192.168.0.10 0:0:e8:ea:c8:e UHLW 1 5455 xl0
1179
213.161.176.112/28 link#1 UC 2 0 fxp0
213.161.176.113 0:6:d6:7:6a:40 UHLW 28 0 fxp0
106
213.161.176.118 0:90:27:1a:73:d4 UHLW 2 2390 lo0
213.161.176.119 213.161.176.113 UGHS 0 18 fxp0 =>
213.161.176.119/32 link#1 UC 0 0 fxp0
[root@psi:/home/erik]$ ipfw list
00100 divert 8668 ip from any to any via fxp0
65535 allow ip from any to any
With this setup, I cannot use the second IP as an alias
(213.161.176.119). Somehow, it gets back to 213.161.176.118 when I try
to use it. I use auth with inetd, with the default-reply "lan". If I try
to go on IRC with using the host 213.161.176.119, I come up on IRC as
nickname!lan@213.161.176.118. Is there something essential I've missed
here?
Erik.
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