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2
votes
2answers
93 views

linux caches route with IPs of machine it has no access to

I have a VPN with a gateway, and an application server. The app server only knows about the gateway of the VPN. The gateway of the VPN knows about the gateway of the physical network the vms are ...
0
votes
0answers
31 views

Routing traffic based on source (Linux)

I have two interfaces on my server; eth0, wich has one public IP address; and eth1, on which 3 IPS are attached. What I'd like to achieve is route traffic coming to the public address configured on ...
-1
votes
1answer
117 views

aws route 53 and vistualhost in ubuntu apache [closed]

I have added domain name in route 53 and creating a sub domain to land into virtualhost with a port. I am trying to add a sub domain as cname and cname is my servername in virtualhost. I am on ubuntu ...
0
votes
0answers
60 views

Windows server 2008 and Osx Mavericks mix two networks

First of all sorry for my English: I have two switch with 2 separates vlans connected. The first Vlan in the range 192.168.26.x gateway: 192.168.26.254 The second Vlan in the range 192.168.50.x ...
0
votes
0answers
35 views

Output traffic on different alias based on user

I have a server running Debian with two IP addresses aliased on a single NIC. eth0 254.71.11.134 eth0:0 185.14.16.132 I want all traffic form a specific user to go through eth0:0. I figure I ...
4
votes
4answers
3k views

How to duplicate TCP traffic to one or multiple remote servers for benchmarking purposes?

Infrastructure: Servers in Datacenter, OS - Debian Squeeze, Webserver - Apache 2.2.16 Situation: The live server is in use by our cusotmers every day, which makes it impossible to test ...
0
votes
0answers
47 views

Google Apps route AND bounce back

We have a catchall address set up and I was asked if we can, on request, look through it for for misaddressed email, for example going to mark@example.com instead of mark.hewitt@example.com ... That's ...
0
votes
3answers
717 views

Centos multiple NICs routing issue

I am having trouble setting up permenant routes for my network interfaces, below my config : ETH0 : 172.23.137.27 Netmask /25 - 255.255.255.128 Gateway – 192.168.126.126 ETH1 : Trunk VLAN - ...
0
votes
1answer
50 views

uk vps server route to thailand? [closed]

I'm just a Javascript developer using node.js... My host has got me a vps sever in england. I have had someone test my site loading in england and it is lightning fast. I've also had someone test in ...
0
votes
2answers
366 views

Accept incoming connection from a second gateway

I searched a lot about the question, but can't find solution for my situation. We've got a Windows 2003 server that runs Advantage Database Server (ADS) through which our site connects to our ...
2
votes
1answer
138 views

How to View the IP routing table

How can I see ip routes I've added with ip route add default via x.x.x.55 table test1 for example I added 199 test1 and 198 test2 and 197 test3 to /etc/iproute2/rt_tables then I run: ip route add ...
0
votes
1answer
321 views

Routing traffic through a virtual machine [closed]

I have OpenWRT running in a virtual machine. It's network adapter is bridged to the host. Host ifconfig root@michael-VirtualBox:/home/michael/Scripts/python# ifconfig eth0 Link encap:Ethernet ...
1
vote
1answer
57 views

routed network, subnetwork clients has broken tcp connection

I manage a linux server which works also as a router, and route between following networks: PPPoE (to connect to ISP) (default gw) wired network 2x VPN networks (PPTP and openVPN) wireless AP (DHCP) ...
0
votes
3answers
230 views

CentOS masqueraded network with iptables clients not connecting: Unable to ping

I'm a novice sysadmin working on a system with a CentOS server masquerading traffic with client machines also running CentOS. Something with the tables got messed up and my clients no longer have ...
1
vote
1answer
76 views

Routing between many systems, no first hop

I have a main router (10.20.0.1 (lan), 10.20.201.1 (vpn server)) connected to 5 other GW via VPN. Every gateway can ping every other one, and the PC behind them. One of my router, 10.20.6.1 (lan), ...
-3
votes
1answer
458 views

Why is Windows 7 not following all routes? [closed]

My computer is connected to my secondary router that's running the 192.168.42.0/24 network and my computer also has a route that directs anything on that network to the router, but for anything on ...
0
votes
0answers
127 views

Why is an ack response being sent to the wrong gateway?

I was trying to determine why a packet forwarded by iptables to my internal lan is returned on the wrong gateway. Having investigated this further, I determined that, at least in the case of one of ...
0
votes
0answers
45 views

I got asigned 2 ip blocks static route blade server kvm

I just collocated a 4 node blade server, and the colo now gave me two blocks of ip's. pub.lic.net/29 and pub.lic.net/27 They deliver all the /27 packets using a static route to one of the /29 ...
0
votes
2answers
400 views

Separated virtual networks with same subnet range with 2 interface

I'm having some problems with routing with the following: I have a server with 2 interfaces. It has 1-1 alias contains the same subnet. the 2 interface is connected to 2 switch, which are separated ...
0
votes
0answers
204 views

Routing outgoing HTTP/HTTPS traffic over a different subnet

I am trying to set up a Linux Server which was initially only supposed to be in one "server-subnet". However I am forced to use a proxy to access HTTP/HTTPS services in this subnet, which causes a lot ...
1
vote
2answers
3k views

Routing traffic to a specific NIC in Windows

I added a 10GB NIC to a SQL server which is connected over to a backend storage using ISCSI. I would like to force traffic going to a certain IP address/host to use the 10gb NIC, while all other ...
0
votes
1answer
99 views

route for Wan To Lan

I working on Netgear Prosafe FVS336GV2 My wan interface is on 192.168.1.0 My Lan interface is on 192.168.100.0 Of course my lan access to my wan But I want to add a route to access to my lan from my ...
1
vote
1answer
467 views

Some clients on a VPN network are not reachable

The problem of this model is that some (only some) clients cannot be reached. See the link below for more information about the model which is being described in the upcoming section. Problem ...
2
votes
3answers
584 views

Multiples ip address on interface. I want to specify one of them for output

I ran curl on curlmyip.com, and I got the wrong output ip address. My systemd service file is: [Unit] Description=Wired Networking Wants=network.target dibbler-client.service Before=network.target ...
2
votes
2answers
1k views

How can I define null route on Windows Server 2008 R2 Standard

How can I define null route on Windows Server 2008 R2 Standard? I've tried x.x.x.x is target ip which I'm trying to block 1.1.1.1 is non existing ip 192.168.1.1 is default gw 192.168.1.254 is non ...
0
votes
1answer
36 views

Bizzare routing: EITHER accepts emails OR sends depending if NetworkManager is running

Due to an otherwise unrelated hardware failure (long story) I've been forced to return an older Fedora Core system into service as a mail server. It's primary service is as a file server and Samba ...
4
votes
1answer
169 views

Enable route between subnet

I have a Centos server with three NIC cards. ETH0 Public IP xx.xx.xx.xx1/xx.xx.xx.xx2 (with two public IP) EHT1 Local Subnet 192.168.80.0 (DHCP server listening on this interface) ETH2 Local ...
2
votes
1answer
4k views

How can I permanently remove/delete a line in route with CentOS 6

root@new [~]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 178.18.23.200 0.0.0.0 255.255.255.255 UH 0 0 0 ...
-1
votes
1answer
212 views

Centos 6.4 2 NIC same gateway

I'm having a problem with my centos server setup, i have 2 public nic and they have the ip from 209.59.252.0/24, with the same gateway. The problem is that only eth0 works, the other one doesn't. They ...
0
votes
4answers
235 views

Unable to change default route-Rhel 5.9

am trying to change default to route to eth2 my present rout -n o/p-- Destination Gateway Genmask Flags Metric Ref Use Iface 10.235.4.0 * 255.255.255.0 U ...
0
votes
0answers
1k views

OpenVPN Route Issues w/ Mikrotik & Windows 7

I'm having (what I suspect is) a route issue with an OpenVPN implementation and a Windows 7 client. The VPN connection looks to establish itself just fine, and the route is available however efforts ...
0
votes
2answers
775 views

Cisco: Route Outbound SMTP Traffic on Same IP as Inbound

Have a few servers setup behind an ASA 5505, all is well, except for the fact that the ASA only sends the correct smtp outbound IP for the mail server domain itself. Any other domain that sends ...
0
votes
1answer
256 views

Fresh CentOs Install - No Network Connectivity (Route Table Empty)

I have just installed a fresh copy of CentOs 6.4 on a dedicated server. I'm new to linux and trying to learn it. The dedicated server has no network connectivity (I can't ping any hostnames or IP ...
1
vote
3answers
2k views

How to check a route exist between two hosts for a particular port?

How to check whether there is a route between two hosts for a particular port (e.g. 1433).
0
votes
0answers
51 views

Trying to communicate between virtual servers on the same host through ipv6

I am running KVM on a host with 2 virtual servers. Each virtual server has a own bridge interface on the host VPS1 has br1 VPS2 has br2 Each virtual server has a own ipv4 and a ipv6. The virtual ...
2
votes
1answer
3k views

Change default route to DHCP interface without a route push?

How can I change the default route to utilize eth1 (DHCP), instead of eth0 (static)? I want this to be a permanent solution persistent through reboots. Kernel IP routing table Destination Gateway ...
3
votes
2answers
241 views

Prefix Delegation and route creation

I'm using the ISC dhcp server version 4.1 for DHCPv6 prefix delegation on a network. When the server allocates a prefix to a client, the server does not create a route for that prefix to the client ...
3
votes
0answers
454 views

IPv6 default gateway route disappear after reboot

I'm using Debian Wheezy on a dedicated server which uses IPv4 and IPv6 at the same time. ifconfig eth0 eth0 Link encap:Ethernet HWaddr 11:11:11:11:11:11 inet adr:90.0.0.1 ...
0
votes
1answer
267 views

Specifying source IP address for a host route

I am using Ubuntu 12.04. I assigned two IP addresses to the ethernet card by editing /etc/network/interfaces. It now looks like that (skipping lines not related to the question). auto eth0 iface eth0 ...
0
votes
0answers
97 views

KVM directly connect to guests without passing router

I have a KVM host running 5 virtual servers. Each virtual server is using a separate bridge interface, like br0, br1, br3... Each virtual server has a own public IP. Now, I would like to be able to ...
0
votes
1answer
122 views

NAT one network to another using iptables

Trying to NAT ips in different network using iptables. KVM host with ip 10.10.11.36 on bridge br0. Two vms are running with ip 192.168.11.60 and 192.168.11.57 sharing bridge br0. Want to NAT all ...
0
votes
1answer
131 views

Packets not going through Linux Gateway

Host: centos6 with ip 10.10.11.36 and gateway 10.10.11.33 Guest two vms with ip 10.10.11.60 and 10.10.11.57 and gateway of that of host ie 10.10.11.36 On host packet forwarding is enabled. from ...
2
votes
2answers
749 views

What is the difference between “route” and “ip route”?

I tried to understand the networking tools on linux. I am confused now about what should I use to manipulate the static routing: "route" or "ip route"?: route - show / manipulate the IP routing table ...
5
votes
0answers
291 views

Freebsd change default Internet channel route

I have two Internet channel and Gateway on freebsd. When I switch channel with the command route change default chan2, the command netstat -nr shows changed default route. But traceroute shows that ...
0
votes
2answers
171 views

Linux route command. Two gatways on the same subnet range

I have a Linux box with two interfaces. eth0 has ip 192.168.71.82/255.255.252.0 eth1 has ip 192.168.4.2/255.255.255.0 I need all traffic for subnets 192.168.4.0/24 192.168.3.0/24 192.168.2.0/24 to ...
-2
votes
1answer
1k views

How can I ping through different interfaces (subnets) without using a router device?

I have a big problem around this issue. I want to be able to ping and access TFTP through my WIFI interface (wlan0) through my wired interface (eth0) pc1_eth->LTdhcps2_eth0->LTdhcps2_wlan0->pc2_wlan ...
0
votes
2answers
303 views

With split openvpn network, unable to connect to remote server via vpn

I am running ubuntu 12.04 and only want the vpn for specific applications that can bind to vpn port(address). If I connect to the VPN with all the traffic routed through the VPN port everything works ...
0
votes
1answer
62 views

change route to website - Gateway timeout [closed]

My website has to connect to a web service, but sometimes it is receiving a Gateway Timeout, sometimes it works allright. I'm guessing the route it's going on is wrong. Right now, the traceroute is ...
1
vote
2answers
352 views

How to make incoming and outgoing IP same on a multiple IP binding server

I have a centos 6 VPS configured 1 network interface binding with 4 IPs, for example 172.x.x.11, 172.x.x.12, 172.x.x.13, 172.x.x.14 binding with venet0:0, venet0:1, venet0:2, venet0:3. I have pptpd ...
0
votes
1answer
288 views

persist route when gateway is from another subnet

When I want to create route when gateway is from another subnet I have to execute two commands: route add -host 10.10.100.17 eth0 for adding gateway, and: route add -net 10.210.0.0/16 gw ...