Questions about using a router/networking, e.g. port forwarding, VPNs

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2 network interfaces - route LAN to interface 1, Internet to interface 2

I want to route LAN traffic over wired LAN interface and Internet traffic to Wireless interface. Which is the best way under Windows? Route command?
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1answer
40 views

Routing ABCs - Packet goes up, must come down [closed]

Can anyone give me a summary of routing technologies? A packet is kicked into the air, reaches an apex, and comes down to earth at some destination. Kicking is pretty simple. The packet just ...
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1answer
214 views

Ubuntu vs. Windows VPN routing behavior

Both my home and workplace networks are the same (subnet 10.0.0.x). When I configure a VPN connection on my Windows 7 machine (PPTP), I can ping any server that is located at my workplace without any ...
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1answer
27 views

Route packets from any network to any network

Assuming we have the following network topology and CentOS 6.5 on each router, how can i set ALL traffic go from ANY host in ANY network to ANY host in ANY network? I have already enabled ...
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1answer
635 views

Exactly how many valid IPv4 addresses are there?

Seemingly simple question, with enough edge and corner cases that I don't trust my ability to calculate it. What is the exact number of valid IPv4 addresses that could potentially be used as ...
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1answer
92 views

Is there a way to fix the DNS Routing bug in 84.06.06?

My research with forums and google searches hasn't turned up anything relevant. I have lodged a service request with AVM, but not holding my breath. Overview: The Fritzbox adds static host routes to ...
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5answers
9k views

How to direct IP route through specific interface in OS X?

I'm on a mac and trying to route a particular address though a specific gateway on my wifi connection. I'm using: route add -host 54.81.143.201 192.168.15.1 Sometimes this will work, other times ...
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0answers
104 views

Access other PCs connected to LAN through VPN

I had setup a VPN in my windows server 2003 and one client computer is connected. Actually my intention for setting up VPN server is to reduce the PC requirements for remote users. That is a single ...
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2answers
73 views

Global DNS / host for home network [duplicate]

I'm in a situation where my Comcast cable modem will not resolve URLs hosted locally. Essentially, if I access my website from the same network, I cannot use www.mysite.com, but instead must use ...
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1answer
5k views

pfSense to route between multiple subnets on same LAN

I started with a fairly standard pfSense setup: one WAN and one LAN interface, LAN-to-WAN access via NAT. Now I needed a second logical subnet on the LAN, which I set up in the following way: ...
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2answers
60 views

Interview on network connections

I was on an interview for a web developer position and for some reason, in the test, there was a question about networks that sounded like this: Your PC ip address is (--something like--) ...
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2answers
90 views

How can i keep an entry in my routing table, even when the associated interface goes down?

I have a linux box set up as my internet router. I have the eth0 interface connected to the lan, and the eth1 interface connected to a pppoa modem and configured with dhcp to my public ip. Due to ...
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1answer
1k views

Synology DSM 5.0 Routerless Configuration

I posted this on the Synology forum and received zero feedback... I was considering eliminating the router from the network configuration by using one of the four ports on a DS1813+ for the internet ...
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1answer
160 views

Static route set from dhcp

Does anyone know if it is possible to add static routes with dhcp? I know that there is option 121 in dhcp but I read that it can set routing via some gateway IP, and I need to set routing via device. ...
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1answer
57 views

Transparently proxifying certain devices on the network

I'm using my computer as wireless access point and router to my home network using hostapd under Ubuntu 14.04. I want to transparently proxify certain wifi devices in the network (identified by their ...
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0answers
89 views

OpenVPN client can't reach a box on server's LAN

I can't seem to figure this out. The server runs on a VPS with private networking. I need to reach another VPS on the same datacenter from the client via the OpenVPN server. The server's LAN IP is ...
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1answer
330 views

Can only ping one way through a VM router

tl;dr I have two local networks (one a VirtualBox internal LAN) and a Win2K VM acting as a router between them. I can ping hosts from one network to the other, but not vice versa. Summary I am ...
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0answers
83 views

Skip routing via lo interface for outgoing packets

Introduction: I have following load balancing configuration: 10.0.1.31 - lb 10.0.1.32 - node1 (tomcat + mysql) 10.0.1.33 - node2 (tomcat + mysql) I'm using keepalived which is redirecting packets to ...
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1answer
75 views

Nginx routing root (/)

I'm trying to serve an app behind an Nginx router. The app is running on port 3000 and services several routes such as /api, /login, and /logout. I also have static content that I want to show for the ...
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0answers
149 views

NetworkManager - IPv6 same metric: prefer wired connection

Situation: I have a Linux system with a wired (enp0s20u2) and a wireless (wlp2s0) networkcard connected to the same network. The networking is managed by NetworkManager 0.9.8.9. The routing tables ...
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3answers
180 views

If I remove one network connection, shouldn’t my UNIX host just use the other?

An interesting problem. If there are two network connections attached to my MacBook Pro, and I remove one, shouldn’t the networking just use the other? Well, it didn’t last night - when I went to ...
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0answers
109 views

OpenVPN Server & Two Gateways

I have a network setup as follows: The firewall allows incoming connections for the VPN server on OpenVPN ports and all outgoing connections from the NAT. It is stateful, even for UDP "connections" ...
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1answer
83 views

How do I route requests for an entire subnet over a VPN connection on Ubuntu?

I have an Ubuntu machine connected to a VPN, with the IP address 172.16.1.250. I want to tunnel all the requests for 172.16.1.* through the VPN, but nothing else. If I try to use sudo route -net add ...
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0answers
32 views

Y Routing two routers and networking computer between them

I'm trying to set up a network with two routers (or one router one ap) in my building for work. I cannot access the modem because it's in another part of the building, but it's wired to the front and ...
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1answer
163 views

Redirecting internal traffic to gateway's port-forwarded external endpoints directly to intranet destination

There's an intranet and CentOS-powered gateway that provides connectivity for intranet devices. Typical port-forwarding in gateway's iptables ruleset looks like this (TCP version is provided): ...
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1answer
115 views

Granular routing with iptables and iproute2 over VPN

On a host at my house I have a host for a VPN that I need for a couple of purposes. Living temporarily in Japan, it functions as a NAT for some devices so I can still use my NETFLIX and some other ...
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1k views

Mac OS X and VPN Option all traffic over vpn

i have to say, i am new in using a Mac. So please don't expect too much. My operating system is Mac OS X 10.9.2. To connect to my company's pc, i managed to create a vpn connection using VPN (PPTP). ...
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0answers
232 views

Is it possible to route all traffic on VirtualBox host adapters to guest?

I am upgrading Ubuntu 8.04 on a dedicated router/firewall/NAT/SMTP/SSH server with a current Linux (Debian Wheezy). I am using VirtualBox (4.2) with Ubuntu 8.04 as host and the new Debian build as ...
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1answer
113 views

Use local gateway for internet access, but stil have the vnet accessable, tun interface

I did setup a OpenVPN server on a Fedora 20 VPS, I can connect to the server itself and its services via the vnet just fine. # +<tun>+ VNET <tun>-<eth> +------------+ # | ...
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3answers
2k views

Application Optimized Routing on a load balancing router?

Ive got 2 incoming broadband lines both c.10mb down / c.0.8 up. (one line is slightly faster than the other) Ive recently setup a TP Link - TL-R470T+ Load balancing router after researching it and ...
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0answers
44 views

Main Router with a subnet from another router

I have a Cisco X3500 providing the internet to a small network. The network config is: IP: 192.168.1.1 Mask: 255.255.255.0 GW: 192.168.1.1 DNS: auto from ISP I have connected a second router ...
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2answers
974 views

Host cannot reach guest via VirtualBox host-only network

In VirtualBox on Windows, I have a guest running Ubuntu Server, with the apache2 and openssh-server services running. The configuration file /etc/network/interfaces gives it a static IP of ...
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1answer
212 views

Windows 2 NICs same subnet and different networks

I'm a bit puzzled about an issue I had today (btw i'm not a network expert, even less a Windows one) Suppose I have 2 NICs, Wi-fi with address 192.168.1.71/255.255.255.0 Ethernet with ...
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1answer
99 views

Hot to setup 2 network adapters on ubuntu with vmware

I've have an idea of following configuration: Image 1: Ubuntu with GUI in LAN segment, static configuration Image 2: Server-Ubuntu in the same LAN segment, plus second network adapter in NAT-Mode to ...
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1answer
403 views

ip routing on centos

My server has two network interfaces. I set ip address as 10.254.1.5/16 and 172.16.20.40/16 and default gateway 10.254.1.1/16. 172.16.0.0 network between the two devices. This network is not ...
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0answers
141 views

Segregating/Separating a device (ATT 3G Microcell) from internal network without using DMZ

I would like to put the ATT 3G Microcell in an isolated network from a network that has the rest of my devices, by which I mean I want the ATT 3G Microcell to only be able to access the Internet, but ...
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1answer
180 views

How to use different gateways for different IP addresses when connected to multiple gateways - Win7

My office has a LAN and a Open ADSL (without proxy) via WIFI. Though I'm connected to both I can't use them same time. So How am I edit and add routes so for specific ips uses different gateways. I ...
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0answers
81 views

IP forwarding on windows 7

I want to redirect incoming traffic with a specific IP destination address coming to my computer to proxy server working on this PC (C# app). I tried to accomplish it by using netsh interface ...
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0answers
41 views

Allow PPTPD Clients to Communicate

Ive set up a PPTPD VPN server on an Ubuntu 12.04 Machine. I have 3 machines connected to it, 2 of which are on the same network and one that is on a separate network. All 3 are on the VPN, and can ...
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1answer
65 views

How to use one nic for storage traffic & other for network traffic?

I have a Slackware Linux machine with two network interface cards and I want to use one interface for network traffic and other for storage traffic. As this is Slackware, I don't know if this could ...
0
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1answer
689 views

Routing internal traffic in centos to the internet using iptables

Hello friends i am struck in routing traffic from the office to internet i have a network structure like this http://asthana.me/images/ip.png I have assigned static ip to the cent os server(which ...
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1answer
97 views

Policy route by source MAC address

I have a requirement to perform MAC based policy routing on embedded Linux platform (desktop Linux example will work as well) . I have examined the man of ip route add command and did not found ...
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1answer
186 views

Bind incoming packets to 1 interface and outgoing packets to 2nd interface?

I am have a Linux machine with 2 network interface cards, I need to use one for incoming packets, other for outgoing packets.
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92 views

Browsing specific website with specific DNS server

My OS is Windows 7 and i want to browse certain websites with certain dns server. Unfortunately our goverment banned twitter and youtube but i can get access to twitter when i change my dns server ...
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0answers
38 views

Why does windows route ignore metric?

After adding a test route and subsequently deleting that entry, I noticed that it also removed another entry with the same Network Destination. I then tried to recreate that entry with the same metric ...
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2answers
57 views

Mobile Broadband, Windows, Router routing

I have a DGN2200v4 router (192.168.0.1), connecting 3 PCs. DHCP is enabled by default. One pc have a wifi broadband modem connected to internet (10.220.3.6) let say, router DHCP ip (192.168.0.2). I ...
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3answers
2k views

How does a Windows computer behave when it has multiple default gateways?

I have a computer(Windows XP) connected to two network interfaces, these two interfaces are connected to different networks and they are configured to receive a DHCP configuration, which means that ...
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1answer
48 views

Difference of `route` and `ip route`

I'm using arch-linux. route and ip route give basically the same information to me. But route takes much more time than ip route. What is the reason?
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96 views

Can I set exceptions for proxy routing in dd-wrt firmware?

My Kindle paperwhite can't access internet through proxy (no option to set proxy settings). So, I plan to buy a dd-wrt compatible router in which it's possible to specify proxy settings in the router ...
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37 views

add to table not working with ip route

i have added two table names wifi and voda to /etc/iproute2/rt_tables. 255 local 254 main 253 default 0 unspec 1 wifi 2 voda Now i am trying to add rule to the ...