Date: Sat, 31 Aug 2002 09:32:52 -0500 From: "Gene Bomgardner" <gene@bomgardner.net> To: FreeBSD-questions@freebsd.org Subject: Gateway not Gatewaying Message-ID: <3D708D44.11818.56B9CE@localhost>
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Greetings...
I have a 4.3 FreeBSD box that has been running as a gateway for
some time now. Recently, for some reason, it has now stopped
passing data between nets. physical setup is:
[ FreeBSD Box]
LAN --> [dc0 <-----> rl0] --> DSL router/modem
dc0 serves subnet 192.168.123
rl0 serves subnet 192.168.1
tcpdump confirms that tcp packets are arriving at the dc0 interface,
but not leaving rl0. Access directly from the FBSD box to the
Internet via rl0 works fine. All access from the LAN to FBSD box via
dc0 works fine as well. packets just don't pass from dc0 to rl0.
I haven't made any changes lately that I can think of.
Any ideas greatly appreciated. Thanks.
From /etc/rc.conf:
-----------------------
defaultrouter="192.168.1.1"
hostname="brightstar.ath.cx"
#ifconfig_rl0="inet 192.168.1.2 netmask
255.255.255.252"
ifconfig_rl0="DHCP"
ifconfig_dc0="inet 192.168.123.8 netmask
255.255.255.0"
inetd_enable="YES"
kern_securelevel_enable="NO"
sendmail_enable="YES"
sshd_enable="YES"
# -- sysinstall generated deltas -- #
kern_securelevel="1"
kern_securelevel_enable="NO"
router_flags="-q"
router="routed"
router_enable="NO"
gateway_enable="YES"
named_enable="No"
Netstat -r output :
-----------------------
Routing tables
Internet:
Destination Gateway Flags Refs Use
Netif
default 192.168.1.1 UGSc 7 222
rl0
localhost localhost UH 1 21
lo0
192.168.1 link#2 UC 0 0
rl0 =>
192.168.123 link#1 UC 0 0
dc0 =>
ifconfig output:
-----------------
dc0:
flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
mtu 1500
inet 192.168.123.8 netmask 0xffffff00
broadcast 192.168.123.255
inet6 fe80::204:5aff:fe69:460c%dc0 prefixlen
64 scopeid 0x1
ether 00:04:5a:69:46:0c
media: autoselect (100baseTX <full-duplex>)
status: active
supported media: autoselect 100baseTX <full-
duplex> 100baseTX 10baseT/UTP <full-duplex>
10baseT/UTP none
rl0:
flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST>
mtu 1500
inet 192.168.1.2 netmask 0xffffff00
broadcast 192.168.1.255
inet6 fe80::250:bfff:fe3f:526d%rl0 prefixlen
64 scopeid 0x2
ether 00:50:bf:3f:52:6d
media: autoselect (none) status: active
supported media: autoselect 100baseTX <full-
duplex> 100baseTX 10baseT/UTP <full-duplex>
10baseT/UTP 100baseTX <hw-loopback>
God's Blessings,
Gene
To everything there is a season, and a time to every
purpose under heaven. Ecl 3:1 -
and more recently, The Byrds
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