From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonardo Marques Subject: Re: Multirouting 2 ISP with public addresses Date: Tue, 16 Aug 2005 21:03:40 -0300 Message-ID: References: <65aa6af905081613295e39edf3@mail.gmail.com> <430269CD.6080700@andycable.com> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <430269CD.6080700@andycable.com> Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="us-ascii" To: Wayne Alday Cc: netfilter@lists.netfilter.org Hi Wayne, Please send me this thousand examples wich you have about how to with NAT ;= ) Thanks, for attention=20 []s On 8/16/05, Wayne Alday wrote: > List : >=20 > I have a similar setup to this gentleman: >=20 > eth0 connected with the LAN > eth1 connected with the internet across ISP1 > eth2 connected with the internet acorss ISP2 >=20 > Although I can find a thousand examples on how to do this with NAT, > there doesnt seem to be anyone wanting to do it with real IP addresses, > or not that I have found in 3 days of searching. >=20 > I read the following link : >=20 > http://lartc.org/howto/lartc.rpdb.multiple-links.html >=20 > Seems to be just what I need, except I do not wish to load balance or > have servers avaiable everywhere, or have redundancy, but just for the > box to do what i guess would be called source routing. My delimma is > that living in a remote town bandwidth costs are moderate to high. I > have a 6 meg bonded T-1 setup on a cisco 3640 router that we outgrew > quickly. A DS-3 connection where I live would of cost nearly 15K / month > because we live near no POP.So we put some fiber up, and needless to say > we have 10 / mbit with the capability to turn it up as needed at a much > cheaper cost. The problem is we are having to eat the monthly charges > for our current bandwith and would like to utilize it for CPE. Im pretty > sure with the research I have done that this is possible to put on our > current linux router, but I must be missing a key somewhere, and I > would like a fresh look on the problem. >=20 > Here is what I wish to do. >=20 > eth1 is connected to my 6mbit line thru the FE0/0 port on the > router.(192.168.200.2) > eth2 is connected to the fiber transceiver to 10 mbit (192.168.252.2) > eth0 is connected to my lan. (12.150.243.129) >=20 > I have route statements in the 3640 that route ALL traffic for the > public addresses thru a private subnet > ip route 12.37.169.0 255.255.255.0 192.168.200.2 > ip route 12.150.225.0 255.255.255.0 192.168.200.2 > ip route 12.150.243.128 255.255.255.224 192.168.200.2 > ip route 12.150.243.160 255.255.255.240 192.168.200.2 > ip route 12.150.243.176 255.255.255.240 192.168.200.2 > ip route 12.150.243.192 255.255.255.192 192.168.200.2 > ip route 12.175.45.0 255.255.255.128 192.168.200.2 >=20 > The linux box in turn hands it off to various other parts and routers >=20 > What I would like to do is throw the following 4 Class C addresses onto > eth2 and have them route according to what network. > 70.158.60.0 > 70.158.61.0 > 70.158.62.0 > 70.158.63.0 > For instance if I assign a CPE an Ip address in the 12.150 range, i wish > for all that traffic to route out eth1 to the wireline > If I assign a CPE IP in the 70.158 ranges, I would like it to route out e= th2 >=20 > The router on the other side of the fiber net has the exact same routes > for the 70.158 ranges as the ones on my wireline with the exception > they are routing to 192.168.252.2 instead of 192.168.200.2 >=20 > Ive seen suggestions on marking packets, setting up 2 routing tables, > and others, but i have had limited success on getting this going. >=20 > Could anyone provide some thoughts or input or an example? It would be > greatly appreciated. If I havent been descriptive enough, will provide > more details >=20 > Thanks in advance >=20 > --Wayne >=20 >=20 --=20 ------------------------------ Leonardo Marques http://www.analyx.org ------------------------------