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

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25 views

Routing between private and public IP addresses

Can I route from public address (first interface from router 1) to private address (second interface from router 1) to public address (interface from router 2). Public address-Private address-Public ...
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8 views

Route port forward through 2 windows server 2008R2 network adapters to another network

our phone system at work is on a separate network to everything else and I need to forward a port from our gateway to it to allow our phone tech to remotely administer it. I have plugged the phone ...
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28 views

Router to Firewall to Internal network NAT with Single Public IP [migrated]

In an effort to learn more about networking I have picked up some old Cisco equipment for home use. I have a 2811 router, a PIX 515e firewall, and a switch (don't remember the model). My incoming ...
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32 views

Routing Issue - can't ping gateway from other routers in full mesh

I am setting up a new network. I have 4 routers in a full mesh. Edge1, Edge2, Client1, Client2. This are Mikrotik Cloud Core Routers (not that it matters). They are set up with OSPF (distributing ...
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38 views

Mikrotik - routing a single address, part of a direct accessed subnet

I have a Mikrotik RB2011 and several TP-Links - WR740N, located at different geo locations, part of my ISP MAN network. My ISP provides me with an (static) address/mask and a gateway for each device. ...
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22 views

Nginx routing vs Laravel App Routing [closed]

Is Nginx based routing for sites faster than App based routing that's used in PHP frameworks like Laravel? We are currently testing out Laravel and we see a steep decrease in performance comparing app ...
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14 views

Routing TCP traffic through cloud server [closed]

i have a question, if a scenario like this is possible: Windows machine 1 (behind NAT) connects to a cloud server 3 (no NAT) Windows machine 2 (behind NAT) connects to the same cloud server 3 (no ...
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21 views

Routing traffic around VPN [migrated]

I recently setup a OpenVPN client on my HTPC, however once I connected to the VPN server I was no longer able to remotely SSH or connect to the other servers I had running on the HTPC. I followed ...
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30 views

How to set up a Linux gateway for multiple WAN networks?

I have a network with the following IPv4 and IPv6 addresses: eth0 Link encap:Ethernet Hardware Adresse 30:85:a9:42:3e:60 inet Adresse:109.2xx.239.145 Bcast:109.2xx.239.255 ...
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24 views

How to Setup OpenVPN as Internet-Gateway and Connection between multiple Private networks on Virtualized Server

I am trying to implement the following: Network A (e.g. 192.168.1.0/24) with Router (192.168.1.254) Network B (e.g. 192.168.2.0/24) with Router (192.168.2.254) Online vServer for VPN (e.g. ...
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6 views

OpenVPN on Windows: clients don't see network behind server [migrated]

I set up my openvpn server on Windows 7 pc. Client is connecting to server succesfully, so my port is forwarded to openvpn server. I'am able to ping 10.8.0.1 address from client. And that's all, but I ...
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1answer
40 views

HP RIP on LAN Topology

We have 1 main core HP Routing Switch in server room that connects other data closet switches and 6 Data Closet switches that connect the clients. We only have 3 VLANS. I have 2 questions: 1.) ...
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9 views

Why next router have smaller response time than previous router in mtr? [migrated]

In other words why first host have 20.4 ms response time but second host have 15 ms response time. As I know for access to second host must pass through first host, Is that true? Why is this ...
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13 views

Windows 7 routing with single NIC [migrated]

I have a PC with single NIC running windows 7. This PC is a member of 180.x.x.0/24 network and is internet accessible. Now, my brother brought another PC with single NIC. I want to make it also ...
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1answer
30 views

What is the purpose of these routing tables

I examining a debian router's configuration. Route output: 71.71.71.0 0.0.0.0 255.255.255.224 U 0 0 0 eth1 10.0.0.0 0.0.0.0 255.255.255.0 U 0 0 ...
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1answer
26 views

ubuntu route all client eth0 traffic to openvpn on client tun0

OpenVPN client has 2 physical interfaces: eth0 = 192.168.10.14/24 gw 192.168.10.1 eth1 = 192.168.10.17/24 gw 192.168.10.1 tun0 = 172.160.1.6/24 gw 172.16.1.5 Server is external somewhere listening ...
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14 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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2answers
31 views

EC2 multiple outbound IP addresses setup

I've looked everywhere and haven't found a good solution to the following problem: I'd like to set up an ec2 instance with 2 public ip addresses, with 2 rails servers each using one IP address. They ...
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15 views

OpenVPN Traceroute Issue

I have the following basic OpenVPN configuration: Datacenter Side: Subnet: 192.168.168/24 WAN->Router(192.168.168.1)->OpenVPN Server(192.168.168.200) Config File: port 1195 dev tun remote ...
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2answers
60 views

How to prevent Zeroconf 0.0.0.0 in Gentoo linux?

Oddly enough, it seems that one of the servers we have doesn't like having the 0.0.0.0 configured and it prevents it from being able to community on its internal network. Removing this route manually ...
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1answer
29 views

What's the difference between a private and public subnet?

For the purposes of learning, I'm trying to setup a public/private VPC in AWS without using the wizard, and I'm trying to determine how AWS decides if a subnet is private/public. For argument sake, ...
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2answers
24 views

Route external ip through internal network windows

How can I route an external ip from one server by first forcing it to go through another internal ip? In our network setup, the source server is connected to the internet on one network card. The ...
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1answer
23 views

nginx: routing multiple URLs to one html file

we render part of our site to static files, similar to what jekyll does. For instance, we have files: index.html about-us.html the problem is, sometimes the names change and we end up with: ...
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1answer
37 views

Linux firewall, ADSL bonding, two default routes

I am trying to set up a Linux firewall (ubuntu 14.04) to use two bonded ADSL lines for load balancing purposes. I found by searching the forum link to this: ...
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2answers
61 views

Server sent passive reply with unroutable address when connecting to FTP site with FileZilla

I get the error "Server sent passive reply with unroutable address. Using server address instead." when connecting to a FTP site (not SFTP). I have connected to this site many times, however ...
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1answer
26 views

Is there any solution to change the source IP from outgoing WAN A to receiving WAN B?

I am configuring a office router for crossing the GFW in China. I want to use WAN A(actually a low bandwidth VPN tunnel) only to send package to target servers (YouTube for example). And change the ...
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1answer
27 views

IP route not on default gateway

I am trying to setup a network that is only accessible if you go through the '10.222.3.1' switch. It is a test environment that we do not want interfering with our production environment. The trouble ...
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1answer
20 views

How to make connections answer from the same gateway they entered in RouterOS?

I have a MikroTik RouterOS 6.23 device, and my network is as follows: Router | |-- bridge1_LAN (wlan1 + ether1) (192.168.0.210) -- LAN (192.168.0.0/24) | Here is where computers are. Those ...
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24 views

Return traffic through same interface as entered

I've created a GRE tunnel on my Linux server (VPS, OpenVZ). Server gets a public IP address from this tunnel and I need it be accessible from Internet through it. There is already a default gateway, ...
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1answer
40 views

What are the VPN configuration requirements for site-to-site VPN with Azure?

I'm using a Cisco RV325, and I don't have access to any bigger/better routers. My understanding is that the RV325 should still support the necessary security protocols to connect to the Azure ...
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127 views

Zyxel GS1920-24HP LLDP-MEP LLDP VoIP

I've edited this post to hopefully conform with what is expected from a question. What i'm trying to achieve I belive is quite simple. I have a Zyxel GS1920-24HP and two routers giving out DHCP on ...
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10 views

How can I proxy requests to a specific IP to a different IP on OS X?

On OS X how can I setup a route so that when I make a request to 10.0.0.1 it is redirected to localhost? Right now I can do curl localhost:3000 and get back a blob of HTML from my running node web ...
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20 views

Bridge configuration on OpenVZ

I have been using an OpenVZ environment left behind by a previous employee. A while ago I needed to use virtual eth devices to try a specific application. After removing VETH might have misconfigured ...
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60 views

NAT doesnt work on CentOS 7(Firewalld)

I have configured nat to make my CentOS 7 into a router. I have used firewalld to do this. But unfortunately it doesnt work. I have no idea which causes the issue. I tried the same configuration in ...
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25 views

Windows Server 2008, Route LAN IP to choice of Gateway

On my windows server i have a WAN and LAN interface. ON my LAN interface the ip is 10.200.0.1/16 and my WAN has an ip of 192.168.20.100 with multiple gateways192.168.20.1, 192.168.30.100, and ...
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51 views

Linux tun interface packet routing

I have questions on the ip packet flow for the following scenario. The scenario is : A tun0 (10.0.0.2/8) interface and a physical wireless lan card wlan0 (ip address not fix) on the client side, ...
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71 views

VPN client can ping LAN machines but no other TCP/UDP service works

After just having succesfully configured my VPN server to connect my VPN clients to my LAN ( Expose internal LAN to VPN using CentOS FirewallD ) I find that pinging is the only thing that works. I ...
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1answer
42 views

Expose internal LAN to VPN using CentOS FirewallD

I have a (tinc) VPN setup with multiple clients that connect to a VPN server that sits on a LAN behind a firewall. I want to expose that LAN to the VPN that server is serving. I've seen a few examples ...
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1answer
26 views

Get Windows Firewall to allow connection from user coming in via VPN (Routing and Remote Access)

A single NIC Windows Server has a number of services, for example FTP. The same machine is also running Routing and Remote Access to provide VPN/NAT services to remote users. Meaning users who ...
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36 views

Access Local LAN machines of Open VPN server from remote VPN clients

I am setting up a Open VPN server on one of the Windows 2008 machines of the local (LAN 192.168.10.0) with IP 192.168.10.6 The other local LAN machines are ...
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72 views

How to add additional network segment?

Long-standing network (A) is as follows Network A: 192.168.37.0/24 GatewayA: 192.168.37.1/255.255.255.0 (eth1) ADSL on ppp0 (via eth0) Kernel IP routing table Destination Gateway Genmask ...
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1answer
43 views

Multiple smtp servers postfix - one mail domain

How can I separate mail server into multiple physical machines using postfix? I wish that some users were on one server and some on the other and that there were no problems with the verses 5xx. I ...
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41 views

Best way to add multiple IP to single interface

My hosting provider routes an IP block to my eth0 interface. Until today I've been adding the block using IP alias via ifconfig, unknown to me that it was an old solution. I've now learnt that there ...
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58 views

OpenVPN Access Server: Exclude specific IP addresses

I have setup an OpenVPN Access Server (openvpnas) on a Linux box and use the OpenVPN Connect client on Windows. How I could exclude specific IP addresses (e.g. google.com current ip) from routing ...
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1answer
70 views

why port forwarding is not working in this setup?

I'm trying to setup a docker virtualization environment. This is a follow up of this question. I have a virtual eth0:0 interface, and I would like to forward it using iptables. The public, main IP ...
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1answer
31 views

pptp gateway with ssh access

I am desperately trying to setup a gateway-server that forwards all local traffic to a ppp0 connection but is still reachable via ssh on the local network. The point-to-point connection establishes ...
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24 views

how multicast stream passes when receiving locally

If suppose I have TX application which transmits UDP multicast to 239.0.0.1:1234. And I have RX application which joins multicast (239.0.0.1:1234), and receives this multicast (239.0.0.1:1234). I ...
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34 views

LXC Container with public IPv6 network

I have a setup where I wanna be able to access a LXC Container by there public IPv6 Address from public. At the moment I'm getting stuck while trying to access any other net than the network provided ...
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61 views

Setup openwrt router for 2 simulteneous openvpn clients on different wifi networks

I would like to setup openwrt router to be able to serve 2 different wifi networks which route their traffic thru 2 different openvpn tunnels. So far I have created 2 different wifi networks with ...
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1answer
53 views

Linux: iptables and marking confusion

Before I ask my question, let me first pose the situation: I have 2 network interfaces: eth0 and eth1 I bridge those 2 (using brctl) and form a new interface: br0 This bridge gets the ip address ...