the process by which data packets on communication networks are forwarded into the direction of their ultimate destination by routers.

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Configuring Shorewall for routed OpenVPN

I have an Ubuntu server 14.04 machine that serves as a NAT router. The routing is achieved using Shorewall, mostly in line with this tutorial. The LAN has the subnet 10.0.0.0/24 On this machine I ...
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0answers
7 views

Adding a remote default route gives SIOC[ADD|DEL]RT: No such process

I have searched the whole web for this but it seems no one has had similar problem. I have a local network (no internet) which my router ip is 10.201.32.10 and my gateway is 10.201.32.41 I have a VPS ...
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2answers
26 views

CentOS Multi Nic and Policy Routing?

I'm not familiar with CentOS and I need help doing the routing for this. I have a CentOS box with 3 NICs. eth0 Link encap:Ethernet inet addr:10.50.121.16 Bcast:10.50.121.255 ...
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1answer
18 views

Static route to Single IP using SSL connection

I am trying to configure a static route to a single IP. My question is two fold: How do I specify a single IP using a subnet mask x.x.x.x/? (not a range of ip's) My pc is making an SSL connection to ...
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0answers
23 views

Why would my logged public IP differ depending on the type of server (or computer) I am connecting to? [migrated]

I am writing a p2p gaming lan emulator that uses the torrent infrastructure to network peers, set up lobbies, etc. Currently, the only infrastructure we are using is the trackers (we plan to us Tox ...
0
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1answer
22 views

Configuring iptables for Haproxy

Ubuntu machine running haproxy with 2 network cards, 1 connected to WAN (called wan0) and another connected to LAN (called lan0). All chains set to DROP traffic. # Masquerade traffic from LAN to WAN ...
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1answer
25 views

OSPF and routing by subnet prefix

Sorry for newbie question for OSPF. I am in the process of learning the protocol, and there is some very basic thing I do not understand. In OSPF the routing is based on router id - which usually is ...
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0answers
19 views

ZyWall USG-100 Firewall block access to internal subnet beyond another router

I'm experiencing a strange problem with a ZyWall USG 100 Firewall, that I can't solve with leaving the firewall enabled on the ZyWall. I have the main network subnet that is 192.40.192.0/24(LAN1 on ...
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2answers
1k views

Routing between multiple Mikrotik Firewalls

I have 2 Miktorik RouterBoards, an RB1100 and a RB951G. The 951G is acting as my Wireless box, and has Guest, Internal and Internet Only Wireless networks. The RB1100 has 3 WAN connections (2x150/10Mb ...
10
votes
2answers
18k views

Where route to 169.254.0.0 comes from?

Running CentOS 5.4 Why do I have route to 169.254.0.0 although it does not appear in Network > Ethernet Device > Route configuration dialog? Destination Gateway Genmask Flags ...
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3answers
889 views

OpenVPN routing issue (cache in routing tables)

I'm adding the route IP_ADDRESS NETMASK net_gatewayto the OpenVPN config file (locally), so it's not being pushed by the server and it works perfectly fine. However, when I remove the routing line ...
1
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1answer
199 views

RRAS 2012R2 NAT with isolated subnets

I'm trying to find a solution for this problem for many weeks I hope someone can help me. I have a rather simple network: Windows Server 2012R2 with multiple NICs A few subnets (VLANs) with DHCP's ...
3
votes
1answer
87 views

OpenVPN routing: multiple default entries. OpenVPN client: iptables. DNS issues

I'm running an OpenVPN-Server (Debian 8) for privacy purposes when using public wifi. Hence, all network traffic of the client is intended to be handled over the VPN connection. The server and client ...
0
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1answer
2k views

strongswan VPN on OpenWrt

Hi I'm running Barrier Breaker version of OpenWRT and I have setup a VPN according to: http://wiki.openwrt.org/inbox/strongswan.howto I can connect to the VPN with my iPhone or Mac (to 10.10.1.0/24 ...
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1answer
39 views

How to install mikrotik routerOS on my computer [closed]

I got a mikrotik routerboard 950G and i downloaded netinstall v6.8 but i cannot install the routerOS into my computer. Can anybody help me out?
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7answers
27k views

What is “anycast” and how is it helpful?

I'd never heard of anycast until a few seconds ago when I read this SF post. The wikipedia entry on it is quite formal and doesn't really evoke a mental picture of how it would be used. Can someone ...
0
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1answer
21 views

route output traffic from specific NAT'ed VM via ip alias

In a dedicated server with several containers behind NAT, I'm trying to route the output / outbound traffic from one of the containers through a specific virtual interface attached to the main ...
2
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1answer
4k views

ping works but ssh fails

machine1 IP: 172.30.11.119 machine2 IP: 172.30.11.120 machine3 IP: 172.30.11.121 machine4 IP: 172.30.11.122 Note: These machines are connected to LAN. I have configured the static ...
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1answer
27 views

Route all traffic through StrongSwan VPN

I'm new to this - please excuse my ignorance. I have looked through many other similar questions to no avail. Trying to set up a StrongSwan VPN such that client C can connect to host H, be assigned ...
0
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1answer
26 views

Enlarge IP Network Address Space

Our small company uses a 192.68.0.0/24 network. As there are only 256 IP addresses, we will be running out of IP addresses soon. I wonder about the best strategy to change the network. Some devices ...
3
votes
3answers
936 views

How to access devices with static IPs on different subnet than router?

I have a SonicWall TZ100, firmware SonicOS Enhanced 5.8.1.13, with a static subnet of 10.0.6.0/24 on X0. Ports X2-X4 are port shielded to X0. On ports X3 and X4 I have two devices that were moved from ...
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2answers
29 views

Is a “bridging device” required to join two networks?

We're considering two NBN fibre connections to the Internet (NBN is a fibre connection for those of you not living in Australia), with each connection having it's own subnet. The first connection's ...
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0answers
8 views

NetworkManager changes default routing policy [migrated]

I have a machine with a built-in NIC (eth0), which serves as a DHCP server for a Raspberry Pi. I also have a USB 3G modem, which shows up as ethernet device eth1. eth0 has the static ip 192.168.100.1 ...
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0answers
36 views

vpnc router on CentOS not forwarding the rensponse

I'm mounting a vpnc router on an openstack environment. I mounted a CentOS Server with ip_forward enabled and iptables, with local IP 192.168.2.2. The remote network is 10.0.0.0/8 and the local ...
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1answer
35 views

Route a port through a specific network interface

I'm using OpenVPN on Ubuntu Server to connect to my VPN. That network interface is tun0. All traffic currently goes through the VPN. I'd like to exclude traffic that goes over a specific port, and ...
0
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1answer
3k views

How to route traffic over an active VPN tunnel by domain name?

I set up a VPN tunnel to my web server targetting its FQDN: (e.g. my.server.com) using the built-in Windows 7 VPN feature and the built-in Windows 8 Routing and Remote Access (RRAS) VPN feature. How ...
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1answer
32 views

Force a traceroute to go through added IP address

Currently speaking I am on a linux (debain) machine which has 2 routed public IPv4 address: 1.1.1.50 1.1.1.60 Both of these IP addresses are currently simply added as a vitual host: 1.1.1.50 -> ...
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1answer
741 views

pfSense Routing a packet out the same interface it arrived on

I have pfSense with one LAN interface which is connected to a switch. All ports on this switch are part of the LAN (VLAN 10). I have access points which are also part of the LAN, they have a static ...
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0answers
20 views

How to forward traffic from ipsec host to local network?

Could anybody explain how to implement forward traffic from host in IPsec to local network. On my server I have 3 network cards: red0 - extern orange0 - dmz green0 - local IPsec builds through ...
2
votes
1answer
3k views

Fortigate VPN Routing issue

I have 200B Fortigate unit with 2 internet WAN connections. I also have a remote site which I'm connected to via IPSEC VPN through WAN1. This site has only one GW IP address. I'd also like to setup a ...
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0answers
34 views

Reaching out DHCP relayed hosts

I have one primary server (DHCP) and one secondary (DHCP-RELAY). Majority of hosts are served from primary (wirelessly), however there are a few (wired ones) which get their IPs from secondary. ...
0
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1answer
41 views

Routing: why do I need to add an extra route in the 2nd router

Consider the following network ^^^. The virtual network setup in Azure: 10.10.0.0/16 with 1 subnet, 10.10.0.0/16 and a gateway subnet at 10.10.1.0/29. Azure knows how our network looks like, 2 ...
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0answers
44 views

IP-rules don't seem to be working on CentOS-6.6

I faced a bit odd difficulty with policy-based routing on CentOS-6.6 server. I have a setup where I need to enroute all packets originated from 172.25.0.0/16 destinated to 172.24.0.0/16 and some ...
2
votes
3answers
3k views

How can I achieve OpenVPN client routing without NAT on Linode

I've set up an OpenVPN network, and it is working properly in the sense that I can access the inner/LAN machines from the remote client. However, my problem is that all traffic from the remote ...
0
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2answers
901 views

Application request routing and load balancing

I use Application request routing in my farm environnement. I got 2 ARR server and 2 IIS server in my farm. I configure my routing to load balance request even to my iis server, but when i look ...
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1answer
46 views

How does an AWS VPC instance route traffic internally and externally over 1 interface?

An instance brought up in a VPC with internet access is able to respond to traffic directed to an internet routable public IP assigned to it, as well as the internal subnet IP it has on it's only ...
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1answer
1k views

Route IP from one vlan to another vlan in the same vrf of the same router

Can you route a IP (/32) from one vlan to another vlan in the same vrf of the same router ? Exemple: example_router#show version Cisco IOS Software, c7600s72033_rp Software ...
2
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1answer
49 views

Outgoing packet has NATed src address

Configuration/Topology: There are 3 machines hadoop2 | hadoop | driver eth0 10.10.15.3 | eth0 10.10.15.2 | tap0 192.168.0.199 ...
4
votes
1answer
78 views

Can I have different routing table for different users?

My Linux machine have two accounts. I want to set different default gateway for the different accounts. How can I do this, if it is possible?
0
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0answers
47 views

keepalived cluster ping physical ip fails

My szenario looks like below: Router = R[number] Switch = S[number] R1      R2  I           I S1-----S2 ...
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0answers
47 views

Connecting 2 sections of a guest network using a pair of layer 3 switches

I have 2 subnets, these are physical sites which are connected with a point-to-point fibre link, 10.0.0.0/16 is our main site with our main gateway, 10.2.0.0/16 is the second site which sends all ...
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3answers
1k views

Ubuntu Server, 2 Ethernet Devices, Same Gateway - Want to force internet traffic through 1 device (or at least allow it to work!)

I have a Ubuntu 10.04 Server with 2 ethernet devices, eth0 and eth1. eth0 has a static IP of 192.168.1.210 eth1 has a static IP if 192.168.1.211 The DHCP server (which also serves as the internet ...
3
votes
1answer
2k views

Strongswan VPN Established but no Packets Routed

I'm setting up a VPN using strongSwan between a Linux instance on an Amazon EC2 instance and a remote network via its Cisco concentrator. I need to route packets from the Linux instance itself a ...
0
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1answer
1k views

Allow access to printer between interfaces on Cisco ASA5510

I have a Cisco ASA5510 where we have to separate networks on two separate interfaces. The networks should have nothing to do with each other except that network B needs to access a printer on network ...
6
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3answers
2k views

Limiting interface bandwidth with tc under Linux

I have a linux router which has a 10GBe interface on the outside and bonded Gigabit ethernet interfaces on the inside. We have currently budget for 2GBit/s. If we exceed that rate by more than 5% ...
0
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1answer
1k views

pfSense OpenVPN Routing to Sever LAN

I'm trying to get my OpenVPN server to route traffic from clients to the server's LAN. My setup is as follows: pfSense box at 10.1.1.1 Other servers on the LAN at 10.1.10.0/24 (with DNS server at ...
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3answers
1k views

Simple OpenVPN setup on Windows Server 2003 SBS with RRAS

I am trying to set up the most basic VPN configuration with OpenVPN. The server is Windows Server 2003 SBS. A typical client system is Windows 7 Professional. The server has two physical NICs (WAN ...
3
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2answers
7k views

How to route between 2 networks with a server with 2 network cards?

This is the first time I am faced with routing and it seems I have hit a dead end. I have the following scenario: client1: 192.168.1.10 255.255.255.0 gateway: 192.168.1.100 DNS server: ...
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1answer
2k views

How to force certain traffic through GRE tunnel?

Here's what I do. Server (public internet is 222.x.x.x): echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf sysctl -p iptunnel add gre1 mode gre local 222.x.x.x remote 115.x.x.x ttl 255 ...
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1answer
65 views

Route traffic through private IP for only certain hosts - CentOS 6.6

I am having a weird problem which I cant figure out - so I was hoping someone here could give me a hand. First off the end goal is that a specific server in my network runs an IPSEC connection to ...