Date: Sat, 10 Sep 2005 06:06:18 +0000 From: Leonidas Tsampros <ltsampros@upnet.gr> To: freebsd-questions@freebsd.org Subject: Re: Strange (newbie) Gateway Errors Message-ID: <20050910060618.GA2199@bifteki.lan>
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On Fri, Sep 09, 2005 at 08:58:41PM -0400, Thomas Dimson wrote: > Hi, > > Sorry if this is out of place, but I am having an issue with forwarding > packets on my freebsd-current box from a windows PC. > > Here what I'm trying to do: > I have two network cards, one on a university network and one going to a > router, which is connected to a cable modem. Both cards use the vr driver. > University is configured through DHCP, private router is just specified ( > 192.168.1.110 <http://192.168.1.110>). I am trying to route traffic to the > internet through the router while keeping all university traffic internal. > > Problem: > I run a traceroute from my freebsd box to the university network and it > works fine. I can access the website (129.97.128.40 <http://129.97.128.40>) > through the internal network. However, using my windows PC - with the > freebsd server specified as a gateway - it just times out when trying to > connect to the web site. Any website on the internet works fine, but not the > intranet. > > Here is my config, I am just setting a static route to the ip of the website > to test for now: > netstat -r > Routing tables > > Internet: > Destination Gateway Flags Refs Use Netif Expire > default 192.168.1.1 <http://192.168.1.1>; UGS 0 119789 vr0 > localhost localhost UH 0 0 lo0 > 129.97.128.40/32 <http://129.97.128.40/32>; cn-rtrev-res15net. UGS 0 12 vr1 > 192.168.1 link#1 UC 0 0 vr0 > 192.168.1.1 <http://192.168.1.1>; 00:20:78:ce:cb:b4 UHLW 2 154 vr0 1172 > 192.168.1.107 <http://192.168.1.107>; 00:11:95:5d:0b:7f UHLW 1 210110 vr0 945 > > Internet6: > Destination Gateway Flags Netif Expire > localhost localhost UH lo0 > fe80::%vr0 link#1 UC vr0 > fe80::20d:88ff:fe7 00:0d:88:7f:42:d0 UHL lo0 > fe80::%vr1 link#2 UC vr1 > fe80::211:95ff:fee 00:11:95:e2:57:40 UHL lo0 > fe80::%lo0 fe80::1%lo0 U lo0 > fe80::1%lo0 link#4 UHL lo0 > ff01:: localhost U lo0 > ff02::%vr0 link#1 UC vr0 > ff02::%vr1 link#2 UC vr1 > ff02::%lo0 localhost UC lo0 > > Can anyone provide me with aid, or at least the location of a log file for > the gateway functions of the machine? Try to add gateway_enable="YES" in /etc/rc.conf and run either # /etc/routing start [as root] or reboot the pc. Actually , when you want your freebsd to act as a gateway , you have to set the sysctl variable net.inet.ip.forwarding to 1. However , the gateway_enable options takes care of this.
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