similar to: Problem with multiple ADSL lines

Hello, it seems I am hit by http://shorewall.net/MultiISP.html#Local : "Experience has shown that in some cases, problems occur with applications running on the firewall itself. This is especially true when you have specified routefilter on your external interfaces in /etc/shorewall/interfaces (see above). When this happens, it is suggested that you have the application use specific local IP

snat not working my local ip is aaa.aaa.aaa.aaa asterisk sitting on the internet at ip bbb.bbb.bbb.bbb my firewall''s internal ip is 192.168.0.254 i did snat: iptables -t nat -A POSTROUTING -o ppp0 -j SNAT --to aaa.aaa.aaa iptables -t nat -L -v gives: Chain POSTROUTING (policy ACCEPT 23663 packets, 2182K bytes) pkts bytes target prot opt in out source destination 33056

I need to route: from 196.33.50.0/25 (default route) to ISP1 from 196.33.248.0/24 (default route) to ISP2 ISP1 --------- fire --+---- 196.33.248.0/24 / | ISP2 --------/ +---- router ----- router ----- 196.33.50.0/25 What I''ve done: Default route via ISP1 created routing table ISP2 for default route via ISP2 I would like to do the following but they get

Hi, I am migrating from one ISP to another, and would like to run both simultaneously for a while. So: (both netmask 255.255.255.248) [ISP1] 24.106.62.180 [ISP2] 209.181.237.230 | | | | \ / -----[ HUB ]----- | | -------- eth0 --------- | Linux FW/Server | ---------eth1 --------- | | [ HUB ] | 10.0.0.x/255.255.255.0 The default IP on

Hello everybody: Here is my "network layout": ISP1 ISP2 | | | | +-----eth0---------eth1------+ | | | FC 3 box | | | +-----eth2---------eth3------+ |

Hello,I have single linux router ( fedora core 1 ), 2 ISP, 1 internal network,1 IP space from every ISP My scenario: eth0 1.0.0.2 netmask 255.255.255.252 -> ISP 1 eth1 2.0.0.2 netmask 255.255.255.252 -> ISP 2 eth2 1.0.1.1 netmask 255.255.255.0 -> IP space from ISP1 eth3 2.0.1.1 netmask 255.255.255.0 -> IP space from ISP2 Config I try: /etc/iproute2/rt_tables: 10 isp1 20 isp2 ip

Hi there. Currently, our network design has two ISP lines and 3 subnets for LAN. Below are some details :- eth0 - isp1 eth1 - isp2 eth2 - subnet1 eth3 - subnet2 eth4 - subnet3 What i wanted to do is to assign incoming port 80 to our local squid server running on the firewall itself and assigned it to eth0(ISP1). I think it shouldnt be a problem as /etc/shorewall/rules provides a sample of the

Hello, Thanks for the great Shorewall which has replaced my hard to maintain home-made scripts. First, what works. Our local network is 10.48.X.X with multiple vlan, each on a dedicated interface. We use Shorewall 4.4.11 from Debian Squeeze. We have a 2 ISP: - isp1 : an optical fiber provider with 10 Mbps. - isp2 : a DSL provider with 15Mbits/1Mbits. We use isp2 as the default outgoing

Hi all I have been working with Shorewall connected to two ISPs lately, and I would like to suggest a couple of improvements to the MultiISP.html documentation page. I followed the examples in that page (but the legacy setup and the USE_DEFAULT_RT one), but I had problems with locally (by the firewall) generated packets: I wanted them to go out using only one ISP, but if I use a tcrules rule to

Hi, Reward offered: 50$ (paypal), and I am sure this is a ridiculous thing I have missing. My goal: On a 2 NIC Asterisk box, to send packets that came in Asterisk on NIC1 back to NIC 1, and NIC2 back to NIC 2. (basically, send them back the same way they came from). I have been doing what was recommended to me and mangling packets left and right. I have reached a point where I am

I set up this config: +------+ -+ ISP1 +--+ +------+ | +-------+ +--+ linux | +------+ | +-------+ -+ ISP2 +--+ +------+ No problem. Standard setup with two ISP''s. Both routed subnets. Default gateway is ISP1. No magic here. Now I put a server behind the Linux box. I want the server to be reachable on an /extra/ IP in the routed subnet of ISP2. +------+ -+ ISP1

hi all, i have this situation: isp1 | dmz ----- FW linux ----- isp2 |----------------------------------- vpn concentrator ----- various ipsec lan-2-lan | LAN In lan i have "pc zone" and "server zone", same network. Dmz and server zone browse internet through isp1, lan use isp2, and remote

Hi, I have a simple question. I have my firewall with 2 external Ip and 1 lan. For example ISP1 FW LAN----Mail Server ISP2 Ok, when i DANT the smpt port to my mail server, I can see that the conection in my mail server comes from the external IP of my ISP. I need to change this so the conection to my mail server cames from the LAN IP from my firewall Is this possible?

hello, i have 2 links to the ISP of 128kbit each, and i want to balance the trafic between them, but not staticly (local ip1-5 throw isp1, and the rest to isp2). I though at a ingress clasification, then routing by the mark, and at the exit nat (yes i must do nat :(((, but the clasification must be flow based, and i dont know how to do it. C _______________________________________________ LARTC

Hi, I want to configure QoS in my shorewall conf but I have a doubt. Now I am using tcrules with prerouting and with the file providers, like this. 2:P 192.168.0.11 0.0.0.0/0 tcp 25 So, with this way I route my smtp traffic with my provider number 2. Well, now I want to configure QoS with tcclasses and tcdevices, but if I do that I need to use the MARK in the tcclasses So, how

Dear list, Shorewall is running here with 2 ISP''s: ISP1: corporate ADSL-line with fixed set of IP''s ISP2: fast consumer-grade cable-connection with higher bandwidth All our main traffic (web, e-mail) is routed trough ISP1. Only for special purposes (frequent large ftp-transfers) ISP2 is used, configured trough tcrules. ISP2 is not so reliable as ISP1 (duh) and they sometimes

Below is a snippet from my firewall script isp1_ip="xx.0.5.20" isp1_gw="xx.0.5.1" isp1_net="xx.0.5.0/28" isp1_if="eth2" isp2_ip="xx.182.19.88" isp2_gw="xx.182.19.1" isp2_net="xx.182.19.0/28" isp2_if="eth3" lo_ip="127.0.0.1" lo_if="lo" lo_net="127.0.0.1/8"

Below is a snippet from my firewall script isp1_ip="xx.0.5.20" isp1_gw="xx.0.5.1" isp1_net="xx.0.5.0/28" isp1_if="eth2" isp2_ip="xx.182.19.88" isp2_gw="xx.182.19.1" isp2_net="xx.182.19.0/28" isp2_if="eth3" lo_ip="127.0.0.1" lo_if="lo" lo_net="127.0.0.1/8" ip rule delete

Hi, I have searched the archives on the topic, and it seems that the list gurus favor load balancing to be done in the kernel as opposed to other means. I have been using a home-grown approach, which splits traffic based on `-m statistic --mode random --probability X`, then CONNMARKs the individual connections and the kernel happily routes them. I understand that for > 2 links it will become

Hi, is it possible to have 2 different ISP in one server? i have 2 NIC cards im going to config ISP1 in NIC1 and ISP2 in NIC2? what should be the configuration for this setup? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20070412/4c62019f/attachment-0004.html>