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

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65 views

Google Domains: Dynamic DNS

Google Domains support Dynamic DNS. That is great, as my domain and Dynamic DNS information can come from the same provider. For Dynamic DNS to work, I usually need the following info: Update URL ...
2
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3answers
145 views

Remotely connect to device with ip from different subnet

I have to figure out some way to remotely connect to D-LINK switch currently working on default address 10.90.90.90 (service guys have replaced broken one, but they have forgotten to do initial ...
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5answers
291 views

Router limits network performance but its CPU load isn't 100%

I'm using a PC Engines APU device running FreeBSD as a NAT router. The setup is very usual: one WAN connection and one LAN connection. Theoretically, WAN connection is 800/40 Mbit/s and the LAN one ...
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0answers
34 views

DirectAccess Multiple Subnet Deployment

I am looking at doing a DirectAccess rollout on AWS using a single Server 2012 R2 instance behind an edge device. My clients are mostly running Windows 7 Pro/Ultimate, but there will be some other ...
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2answers
95 views

How to connect 2 networks without access to router config?

I am trying to connect 2 devices in different subnets. Device 1: IP address: 172.20.35.1 netmask: 255.255.0.0 gateway: 172.20.1.1 Device 2: IP address: 172.20.100.100 netmask: 255.255.255.0 gateway: ...
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1answer
78 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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0answers
165 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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0answers
146 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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0answers
63 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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1answer
158 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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1answer
61 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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1answer
46 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
176 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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0answers
32 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
87 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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0answers
58 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
89 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
75 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
108 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 ...
0
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1answer
66 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
106 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
2k 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 ...
0
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1answer
35 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
33 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
179 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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0answers
111 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
162 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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0answers
264 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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0answers
19 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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53 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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1answer
1k 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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0answers
64 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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0answers
96 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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1answer
253 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
149 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
93 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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0answers
90 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
74 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 ...
0
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0answers
54 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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0answers
142 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
156 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 ...
0
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1answer
85 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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0answers
38 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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0answers
70 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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0answers
127 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 ...
0
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1answer
67 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 ...
2
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0answers
55 views

Is it at all commonplace to make service available via the same host as its redundancy, just different ports? [closed]

I am writing software that allows for the configuration of parameters for authentication with a Primary and Secondary RADIUS server. Server administrators, in your experience, is it common or not for ...
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0answers
59 views

opensm infiniband route table

I have two centos 6.6 vmware vms. VMware is told to do a bridged network and to replicate physical network. eth2 is dhcp managed by NetworkManager. I am able to get to the point where I can assign ips ...
2
votes
1answer
123 views

How do I configure routing in this mesh scenario?

I've setup the following scenario All the routers are openwrt routers, and they are connected either via cable (Rout1 <> Rout2), or via wireless (Rout2 <> Rout4) I would like to be able to ...
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2answers
111 views

Rotating outgoing IP's [closed]

I want to rotate IP addresses for web-scraping, and here is my setup: I have configured multiple IP addresses as below in my /etc/network/interfaces file: # The loopback network interface auto lo ...