similar to: Routing problem

Shorewall 4.5.1.1 I have 5 interfaces on a centos box, the first two are internal on two different subnets, the next two are two different ISP''s and the last one is a private network for testing and administration. The second internal subnet (eth1) is rejecting all the arp requests to it and I get the following in the log files ever second or two - May 16 05:28:54 services kernel:

Hello, I am trying something crazy here. I have gone through the old archives, lartc.org and lot''s of documentation, but still something is wrong. Here is the situation; The server is Fedora core 2 running kernel 2.6.5 I have 2 uplinks to two different ISP''s. (It will be 3-4 in the future). These ISP''s should serve the bandwith to local clients with multiple subnets.

Hi, I have a little problem to setup iproute in my network It looks like this: ---- ----- ------ R1 R2 R3 ---- ----- ------ | | | | | | ------------------------------- ETH1 ETH2 ETH3 ETH0 ETH4 -------------> DMZ ------------------------------ | |

Hello, I''m new to Xen (and this mailing-list) and facing some problems with the network. I''m stuck and don''t know how to continue. And Google isn''t very helpful either... My setup: - Ubuntu 7.10 for dom0 and Debian 4.0 for all domU - 4 physical NIC (DHCP from my ISP, internal LAN, DMZ & WLAN) - 1 Dom as firewall/router - 1 domU with internal services

Hello everyone, once again. We are running into a problem, which has shown now 2 times, possible 3 (once the systems looked different.) The environment is 6 HP DL360/380 g5 servers with eth0 being the public interface, eth1 and bond0 (eth2 and eth3) used for clusterware and bond0 also used for OCFS2. The bond0 interface is in active/passive mode. There are no network errors counters showing and

Hello, LARTC mailing readers, I hope u can help with this mysterious issue i''m having with my linux box acting as a router. Scenario: Linux running 2.6.8.1 /w julians patches Latest iproute (iproute2-ss040702) 4 NICS ----------------- | x eth0 (63.43.x.x) network mask (255.255.240.0) | | x eth1 (63.43.x.x)

Hello, LARTC mailing readers, I hope u can help with this mysterious issue i''m having with my linux box acting as a router. Scenario: Linux running 2.6.8.1 /w julians patches /w support for multipath routing Latest iproute (iproute2-ss040702) 4 NICS ----------------- | x eth0 (63.43.x.x) network mask (255.255.240.0) | |

Hi all. I have a problem with pciback in OpenSUSE using PVM. I try to send 3 nic for the PVM.. its ok.. but.. if i try ifconfig eth3 up.. got the error... Please.. see this. Anybody.. know this problem? Thanks, Junior opensuse:~ # uptime 3:36pm up 0:03, 2 users, load average: 0.02, 0.06, 0.02 opensuse:~ # uname -a Linux opensuse 2.6.27.7-9-xen #1 SMP 2008-12-04 18:10:04 +0100 x86_64

I''am using the following script to aggregate the bandwidth of one quad gigabit ethernet controller (pci-express). #!/bin/bash sysctl -w net.ipv4.tcp_reordering = 30 ifconfig eth1 up ifconfig eth2 up ifconfig eth3 up ifconfig eth4 up modprobe sch_teql tc qdisc add dev eth1 root teql0 tc qdisc add dev eth2 root teql0 tc qdisc del dev eth3 root teql0 tc qdisc del dev eth4 root teql0 ip link

Hi, I have a linux router with 4 ethernet cards; eth0 through eth3. Basically, all I want to do is route all traffic from eth2 to eth0, and all traffic from eth1 to eth3. I''ve looked through the LARTC how-to, specifically at chapter 4, about multiple providers. However, I am still a bit confused, and not sure how to set up my routing tables, as my scenario differs from the one in the

Hi, This is the first time I write to the list. My english is not so good, but I hope I''ll be understood. I have 4 adsl routers, plugged on a linux box, and this box e used to connect to a local network. The linux box has 5 NICs. eth0: local network inet 10.0.0.56/24 brd 10.0.0.255 scope global eth0 eth1: adsl router 1 inet 192.168.254.1/24 brd 192.168.254.255 scope global

Hi There, I have a bit of an odd issue. I am testing Xen 3.0.2 on a machine before fully migrating to it from 2.0.7. The host OS is Ubuntu 6.06, and I am running the pre-compiled Xen code (kernel, tools) from the Xen site. I have two NICs, both if which I amhidung from Dom0 via the ''pciback.hide'' grub entry. I am have the bridges setup in the

I have a setup with two Internet providers. One circuit (net0 == eth1) is used primarily for employees and tunnels to other sites. The other (net1 == eth2) is for the production machines that customers access. Everythung works in teh sense that packets get to where they are sent (mostly) but I recently I had a sniffer on the system and noticed a problem I cannot solve. traffic coming in

Hi, I''m trying to use Shorewall (3.0.6) to accomplish what I thought was going to be fairly simple. Unfortunately, I can''t get the dmz to work correctly, and I''m getting martians logged against the interface at issue. Any help I could get would be greatly appreciated! A picture of my physical setup is attached. I have also attached a shorewall dump. To make a long

Hi, I have been a shorewall user for a long time now, and it has been working flawlessly. I have now changed ISP and my new DSL connection is PPPoE. My setup is as follows: internet <--------> 3com812 Officeconnect (bridge mode) <----> eth0 <-------> linux box <----> eth1, eth2, eth3, eth4 <---> other internal networks Things are working fine, but the link is

Hi all, I have one bridge system (used for controlling bandwidth) connected to three different DSL ISP provider. I have the following setup below: - +-------------+ | br0 | | -> eth1 | -> DSL_1 | -> eth2 | +-------------+ | br1 | | -> eth3 | -> DSL_2 | -> eth4 | +-------------+ | br2 | | -> eth5

Hello all, I am new to Linux Ethernet bridging. Let me first start with what I am trying to achieve. Well you see - I am attempting to have 2 main firewall running at the same time - one as a master and the other one as a slave. Yes, I would like to make use of Ethernet bridging in this scenario - as I understand it, all I need are two machines and STP enabled. I am running Debian

I have a dsl modem and two static IP addresses: 66.17.65.22 and 66.17.65.161. I am using the standard configuration from the Shorewall Setup Guide for multiple IP addresses and modifications suggested by the Aliased Interfaces Guide. I want to set up a shorewall 2.08 router for my home (Fedora Core 2 / kernel 2.6.8-1.521). I want share an internet connection with some pc''son a local

Hello Shorewall list, I''m a happy Shorewall user since a few years now and everything works fine for me except one thing that I try to implement since a week, the multi-isp. I''ve downloaded the 2.4.0 Stable release yesterday and tried the RC2 since a week. My config is a Debian running a kernel 2.4.27 home made with the CONNMARK.diff patch applied I''m using 2 ISP,

I am trying to configure a firewall, but nailing down the configuration is eluding me. The box is running Debian stable. Basically, I have a rackmount server with six network cards. eth0 is the internal network, eth1 is a kiosk network, eth2 is a DMZ/wireless network. On the outbound side, eth3 is a DSL connection and eth4 is a cablemodem connection. What I am trying to do is route all internal