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1answer
294 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
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3answers
333 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
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2answers
522 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 ...
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1answer
35 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 ...
0
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1answer
134 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 ...
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1answer
1k 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 ...
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1answer
174 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 ...
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4answers
162 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 ...
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0answers
965 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
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2answers
421 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
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1answer
168 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 ...
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3answers
1k 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).
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0answers
44 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
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1answer
1k 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 ...
2
votes
1answer
181 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 ...
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0answers
319 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
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1answer
214 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 ...
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0answers
166 views

Mac/iPad/iPhone not getting DHCP option 121 routes from L2TP/IPSec VPN

I have a Windows 2008 R2 RRAS server set up for L2TP over IPSec, using DHCP to assign IP addresses to VPN clients and configured the DHCP options to send routes with DHCP option 121. This is working, ...
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0answers
90 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
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1answer
112 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
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1answer
96 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
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2answers
401 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 ...
4
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0answers
220 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
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2answers
126 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 ...
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1answer
467 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
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2answers
221 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
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1answer
49 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
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2answers
257 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
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1answer
211 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 ...
2
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1answer
294 views

lxc container not getting default route

I'm running Ubuntu Precise. I understand that my current version of lxc doesn't support gateway/default route assignment (lxc 0.7.5-3ubuntu67). I've been trying like heck to get a few lines to execute ...
0
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1answer
588 views

Increasing the metric of default route in CentOS with DHCP

I am setting up a server (VM to be precise) that runs CentOS 6.4. I have an eth0 adapter on the CentOS machine that has connection to the Internet (through a bridged network on the host). The eth0 ...
1
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1answer
100 views

How can I access my router that is on other office network

Hi I'm working on ROUTER A and I want to access ROUTER C, the config is: ROUTER A <-conected with-> ROUTER B <-conected with-> ROUTER C ROUTER A: LAN:192.168.1.1 255.255.255.0 ...
1
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1answer
259 views

openvpn (tun0 + bridge) : Comunication bridge --> tun0 works but not the opposite direction

My network is composed as follows: Host A with ip 9.x.x.x and vpn ip 192.15.206.x (openvpn client) Host B with ip 9.x.x.x and vpn ip 192.15.206.1 (openvpn server) this host has a bridge br0 with ip ...
0
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2answers
207 views

OpenVPN Allow Servers to talk to VPN Clients

I have setup a VPC in Amazon with 2 subnets. The public subnet has a ip range of 10.0.0.XXX and a private subnet with a ip range of 10.0.1.XXX my OpenVPN sits on 10.0.0.100 and hands out ip from the ...
0
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3answers
958 views

OpenVPN - Client traffic is not entirely routed through VPN

I installed OpenVPN on my dedicated server. Using Viscosity or Tunnelblick on the client, I successfully connected to this server. However, after some tests, I realized that not all the traffic ...
1
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1answer
74 views

How to centrally manage routing info?

I'm trying to build a VPN setup, where there are several Road-Warriors (various OSes) want to communicate to internal network behind a VPN gateway. The key facts are these: Internal network is ...
1
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3answers
340 views

How to set which IP to use for a HTTP request?

This is probably a silly question. I'm doing some http requests using wget from the command line, and I want those connections to be made through one specific IP of the 4 IPs my server has. Those http ...
0
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1answer
262 views

Using iptables to forward traffic to a single IP address

The setup: Debian; acting as the network's router using iptables, fail2ban Because of external requirements, both networks are 192.168.1.x. eth0: 192.168.1.1 eth1: 192.168.1.2 Ubuntu (192.168.1.3) ...
1
vote
1answer
157 views

Checkpoint - Wifi Bridge mode kills round trip requests?

I'm fairly sure this is either a NAT or routing question, but it's one that continually has me stumped. The hardware is a Checkpoint Safe@Office firewall. The default mode of operation is that wired ...
0
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1answer
59 views

Setting Gateway In Linux

i am having Ubuntu box with two nic,eth0:for private and eth1 for public with static ip assigned. on eth0:192.168.30.1 eth1:x.x.106.111 I want to set this box as Default gateway for all the other ...
3
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1answer
1k views

OPENVPN route all traffic - Synology

I have a synology NAS that is my OPENVPN server. I am always on the road and I want to route all of my traffic through my house. Here is my config and my log. config file dev tun tls-client ...
2
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2answers
155 views

How to setup router on desktop linux to provide access to vpn subnet to other local machines?

I have a desktop linux (Ubuntu based 12.10, laptop, 1 network card) from which I connect to work vpn via standard pptp, so I can access local network and work network from the machine. On the desktop ...
0
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1answer
53 views

route client by specific query?

myweb.com has external ip. I have a debian server running BIND9, it contain some clients, I created the zone myweb.com and I created A record to localhost.it's ok, but I would know if I can point ...
0
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1answer
61 views

Giving Multiple ip address of same n/w on two virtual nic

running xen with 2 guests i have been trying to assign public ip addresses to two virtual nic, one each which is sharing bridge networking with host. tried this Host x.x.116.2 created two nic ...
0
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1answer
227 views

IPSec VPN routing

This is supposed to be a pretty simple question but I couldn't google a answer for it! I have a ipsec VPN tunnel established between 1.1.1.1 and 2.2.2.2 (public IPs). The first machine (1.1.1.1) has ...
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2answers
721 views

route packets through hardware loopback interface, not lo

My embedded Linux board has 3 interfaces: eth0 - For all outbound traffic eth1 - A hardware loopback (traffic leaves board, but comes immediately back in the same port) lo - Standard loopback ...
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1answer
174 views

how to point external domain and ip?

i'm searching 2 days for this question, and i can't resolv this. I have a debian, BIND9 server running, so i create a zone for example www.somewebsite.com and point the domain to my server ...
1
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1answer
93 views

route add in rhel with src option

I'm struggling to understand how to add the route options to my routes file in rhel. Let's say I have the route: ip route: 192.168.89.0/24 via 192.53.28.193 dev eth0 src 192.53.28.216 How can I ...
2
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2answers
570 views

Can't reach network 192.168.100.0/24

In one of our data-centre we've a Debian machine acting as a router. From this network we cannot reach any of the machines found on 192.168.100.0/24 network. E.g The gateway on the 192.168.100.0/24 ...
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2answers
63 views

Linux Servers in same network unreachable from each other, but however reachable from outside

I have 5 servers in the same network with IPS X.X.X.110 - 114. They are all connected to a switch. I am able to reach all 5 of them from outside(internet). However, I cant connect from servers 0 - ...