From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raghuveer Date: Wed, 01 Oct 2003 08:54:48 +0000 Subject: Re: [LARTC] Linux router configuration?? Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org Ryan Johnson wrote: >Could you send me the output of route -n? > >Your two network cards should not be in the same network, if they are, it is not a rotuer. The whole purpose of a router is a gateway for clients on a network to get to another network that they (clients) do not know how to reach. > >Ryan > > Anyway thanks Ryan, I just wanted to confirm from you, whether we can have two NIC's in a m/c connected to a same network. Output of route -n is :- Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 192.168.1.2 0.0.0.0 UG 0 0 0 eth0 what I was expecting was:- Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 192.168.1.2 0.0.0.0 UG 0 0 0 eth0 Regards -Raghu > > >>Ryan Johnson wrote: >> >> >> >>>I am going to assume you want the most basic router, just two interfaces. >>> >>>1.) Make sure both network cards have been detected. >>>ifconfig eth0 >>>ifconfig eth1 >>> >>> >>> >>Can I have both the network cards in the same n/w...? Becoz If I try to >>use both NIC's with the same n/w, running <$ route -n> we can see either >>eth1 or eth0 repeated twice. Pls let me know where is the problem..? >> >>Regards >>-Raghu >> >> >> >>>2.) Set up each interface on its own network, make sure the interface has been activated, you can use ifconfig for this. >>>3.) issue the command >>>echo 1 > /proc/sys/net/ipv4/ip_forward >>>to enable ip fowarding, w/o this the kernel will not send packets between interfaces >>>4.) set the clients behind the router to point to the internal ip of your router >>> >>>Any changes made to the system will have to be initialized during the boot process. >>> >>>Of course if you have ip addresses that you would like to nat/masq behind the router, you will have to use iptables. >>> >>>You really should be more specific on your needs. >>> >>>Good luck. >>> >>> >>> >>> >>> >>> >>>>Good morning at all, thanks for previous help, but I have another ask. I have a few experience of Linux world's, and I need to configure a Linux PC as router, what are the steps? What do I do? >>>>Thanks. >>>> >>>> >>>> >>>> >>>_______________________________________________ >>>LARTC mailing list / LARTC@mailman.ds9a.nl >>>http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ >>> >>> >>> >>> >>> >>_______________________________________________ >>LARTC mailing list / LARTC@mailman.ds9a.nl >>http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ >> >> > > > > -- ****** This email is confidential and is intended for the original recipient(s) only. If you have erroneously received this mail, please delete it immediately and notify the sender. Unauthorized copying, disclosure or distribution of the material in this mail is prohibited. Views expressed in this mail are those of the individual sender and do not bind Gsec1 Limited. or its subsidiary, unless the sender has done so expressly with due authority of Gsec1.****** _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/