Date: Tue, 2 Jan 2001 04:06:26 -0500 (EST) From: Brent B.Powers <powers@b2pi.com> To: "DINKEY,GENE (HP-Loveland,ex1)" <gene_dinkey@hp.com> Cc: Questions@FreeBSD.org Subject: RE: Networking and forwarding woes Message-ID: <14929.39442.148952.282748@Max.B2Pi.com> In-Reply-To: <F341E03C8ED6D311805E00902761278C531523@xfc04.fc.hp.com> References: <F341E03C8ED6D311805E00902761278C531523@xfc04.fc.hp.com>
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>>>>> "Gene" == HP-Loveland,ex1 <DINKEY> writes:
Gene> Are they both configured with ip addresses? Are you using
Gene> natd? The output from ifconfig -a would be useful as well.
A fair point (sorry :) ). Below I've got ifconfig, routing tables
arp (null), and pings of all three interfaces on the machine. Note
that there _is_ no default route, in fact, none of these things even
had cables attached at the time I did this.
Regarding natd, I'd prefer not to use it (it doesn't make sense for
this machine), but I'm willing to give up and use it if required. I
just verified that results are the same whether or not natd_enable is
set.
I'm pretty sure I've got a routing problem, but I've been unable to
come up with the correct incantation to fix this.
Problem summary: To take one step at a time, I have disconnected all
cables from a particular machine with two NIC's. I am unable to ping
both NIC's, even though both have ip's assigned. The eventual goal is
to get this machine to be a gateway/firewall between the static IP's
that I have and the rest of the world. My static IP's run from 185 to
192.
Cheers
## ifconfig, netstat -rn, arp, and pings follow
(GW2)/root[1]#ifconfig -a
rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet xxx.xxx.xxx.192 netmask 0xffffff00 broadcast xxx.xxx.xxx.255
ether 00:50:bf:1c:46:b0
media: autoselect (none) status: no carrier
supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP 100baseTX <hw-loopback>
de0: flags=8c43<UP,BROADCAST,RUNNING,OACTIVE,SIMPLEX,MULTICAST> mtu 1500
inet xxx.xxx.xxx.188 netmask 0xffffff00 broadcast xxx.xxx.xxx.255
ether 00:40:05:41:e0:13
media: autoselect
supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet 127.0.0.1 netmask 0xff000000
faith0: flags=8000<MULTICAST> mtu 1500
gif0: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
gif1: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280
(GW2)/root[2]#netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
127.0.0.1 127.0.0.1 UH 0 10 lo0
xxx.xxx.xxx link#2 UC 0 0 de0 =>
(GW2)/root[3]#arp -a
(GW2)/root[4]#ping -c 1 127.0.0.1
PING 127.0.0.1 (127.0.0.1): 56 data bytes
64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.237 ms
--- 127.0.0.1 ping statistics ---
1 packets transmitted, 1 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.237/0.237/0.237/0.000 ms
(GW2)/root[5]#ping -c 1 xxx.xxx.xxx.188
PING xxx.xxx.xxx.188 (xxx.xxx.xxx.188): 56 data bytes
64 bytes from xxx.xxx.xxx.188: icmp_seq=0 ttl=255 time=0.227 ms
--- xxx.xxx.xxx.188 ping statistics ---
1 packets transmitted, 1 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.227/0.227/0.227/0.000 ms
(GW2)/root[6]#ping -c 1 xxx.xxx.xxx.192
PING xxx.xxx.xxx.192 (xxx.xxx.xxx.192): 56 data bytes
--- xxx.xxx.xxx.192 ping statistics ---
1 packets transmitted, 0 packets received, 100% packet loss
(GW2)/root[7]#
rc.conf:
#!/bin/sh
# -*- Mode: ksh -*-
# File: $RCSfile: rc.conf,v $
# Version: $Revision: 1.2 $
# Date: $Date: 2000/12/31 02:19:15 $
# $Id: rc.conf,v 1.2 2000/12/31 02:19:15 root Exp root $
#
# This file now contains just the overrides from /etc/defaults/rc.conf
# please make all changes to this file.
linux_enable="YES"
sendmail_enable="NO"
saver="logo"
keyrate="fast"
hostname="GW2"
gateway_enable="YES"
# defaultrouter="xxx.xxx.xxx.1"
sshd_enable="YES"
inetd_enable="YES"
network_interfaces="lo0 de0 rl0"
# route_deflt="default xxx.xxx.xxx.1 -interface xxx.xxx.xxx.192"
# static_routes="deflt"
ifconfig_rl0="inet xxx.xxx.xxx.192 netmask 255.255.255.0"
ifconfig_de0="inet xxx.xxx.xxx.188 netmask 255.255.255.0"
# natd_enable="YES"
natd_interface="xxx.xxx.xxx.192"
natd_flags="-config /etc/natd.conf"
firewall_enable="YES"
firewall_type="open"
keymap="us.pc-ctrl"
## end of rc.conf
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