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

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Route Add to VMWare image “The route addtion failed: the parameter is incorrect”

I have two physical PCs and one VMWare image on the LAN. All are running Windows: PC1: 192.168.0.4 PC2: 192.168.0.3 VMWare image (NAT): 192.168.64.7 PROBLEM: I'd like for PC1 to be able to ...
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1answer
1k views

Network routing with an ADSL router and two wifi routers

Ok so here's my network setup - ADSL Router (non wifi) -> Wireless N Router (with LAN switch as well) -> Desktop | Wireless G ...
2
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1answer
2k views

Connecting to my own network via external IP

Even though I have seen and read quite a few similar Q's I was still unable to understand what is required for me to be able to do this. I have an internal network. One of the machines is a web ...
2
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0answers
96 views

Routes with question marks in routing table

When I do ip route show table all I see some routes with question marks in them as below. multicast ???/32 from ???/32 table default proto none iif eth0 They appear to be multicast routes. I ...
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1answer
123 views

What does a wireless card need to work as an Access Point

What specifications does a wireless network card need to have to be able to work in a router? I heard that it is not possible to use a normal wireless card to handle more than one connection, so what ...
2
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1answer
919 views

OpenVPN access to a private network

There are many similar topics about my issue, however I cannot figure out a solution for myself. There are three hosts. A without a routable address but with an Internet access. Server S with a ...
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2answers
23k views

How can I setup a win 7 PC as a router?

I have an industrial PC with 4 Ethernet port, I would like to use this PC as a router on windows 7. Before we used Ubuntu so there is an open source solutiosn, but unfortunately the UPS power supply ...
2
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2answers
935 views

How does CIDR slow the exhaustion of IPv4?

In the Wikipedia article on CIDR, it says The Internet Engineering Task Force introduced CIDR in 1993 to replace the previous addressing architecture of classful network design in the ...
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5answers
17k views

Prevent VPN from changing DNS on Windows 7 / 8 developer preview

I have a customer that uses a VPN connection, however it automatically configures my DNS settings to a non-existent DNS server, meaning every DNS resolution times out until the alternative is tried, ...
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2answers
2k views

How to set iPhone tethering interface as default gateway, when up, in Windows and Ubuntu

I am able to do iPhone USB tethering under Ubuntu which will be recognized as eth1 interface (I also have an eth0 internet connection). What I want to do is, when the eth1 is up, I want to make it be ...
8
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4answers
39k views

When a PC has both a wired and a wireless connection, how is information transferred?

My PC has two connections (wireless and wired) simultaneously. Both of them have an internet connection. In this situation, how does it connect to the internet? How do my LAN and WLAN interfaces know ...
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1answer
396 views

How can I stop my iMac's remote management connection from defaulting to Wi-Fi?

I have a 2011 Mac mini connected to my 2008 iMac via Ethernet cable. The Mac mini is configured to accept remote management sessions, but the problem is when the Mac mini's AirPort is turned on, the ...
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2answers
1k views

Proxy Routing Software [duplicate]

Possible Duplicate: Force programs that do not specify proxy settings to use a proxy (ie: Steam) I am looking for a software which can route all outgoing/incoming requests through a proxy ...
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2answers
129 views

IP routing to neighbour

If I am connecting directly to my neighbour next door who is using the same broadband provider, will my traffic go directly to him or will it go through the ISP? Could you explain how this routing ...
2
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1answer
16k views

How can I make my router send all web traffic to a specific proxy?

I'm trying to create a WiFi hotspot using an ASUS Wireless Router RT-N10+. The main internet connection does not use DHCP. It requires a static IP configuration and a proxy to use the web. I set the ...
0
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1answer
3k views

Set linux routing tables to route F5 vpn and internet traffic

I'm having trouble understanding how my VPN client works, and how to set up my routing tables to do what I would like. Here is the output BEFORE connecting to my vpn Kernel IP routing table ...
6
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1answer
1k views

How does Google bypass IP routing?

At the Google Public DNS Performance Benefits page, they claim In Google Public DNS, we have implemented several approaches to speeding up DNS lookup times. Some of these approaches are fairly ...
0
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1answer
111 views

Usefulness of CIDR [duplicate]

Possible Duplicate: What is Classful addressing? Over the years I've heard the term "CIDR" and never gave it much thought. This morning I perused the Wikipedia article on it, and came away ...
2
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1answer
2k views

Why is my static IP address different if I plug in a router?

I just purchased a static IP package from my ISP, and was told the IP was something like 24.x.x.x. And they assigned the static IP to the modem. So, if I plug my cable modem directly to my laptop, ...
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0answers
107 views

Network routing issue

Here is the situation. I've turned server ns1 (a dual-homed linux box) into a router by enabling ip_forwarding on it (echo 1 > /proc/sys/net/ipv4/ip_forward) Server ns1: eth0: 10.10.0.200/24 ...
2
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1answer
12k views

Change PPTP control connection's TCP port number

I have some Windows 7 clients that connect via PPTP to a CentOS server, but I would like them to use a port other than 1723 for the control connection as that port is not available. Is there some way ...
2
votes
1answer
8k views

trick out cisco vpn with routes

I'm working on a way to trick out cisco vpn-client by modifying the routes on the local system to achive a status thats calles split-tunneling. I know that I don't have the right to do this without ...
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7answers
11k views

Why can't routers use MAC addresses instead of private/local IP addresses?

I understand the reason public IP addresses are necessary to be that if we only had MAC to move data between one host and another, the entire Internet would be one massive, flat network. But what is ...
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1answer
3k views

Using VPN connection in OSX will only route through the first service in “Service Order”

I am trying to get my VPN connection to only route network traffic related to my workplace through the VPN connection and any other traffic through my Wi-Fi connection. If I have my Wi-Fi at the top ...
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2answers
7k views

Route internet address to specific network interface

I have two network interfaces. One wired (eth0) which is filtered by proxy. One is wireless (wlan0) which is free. I need to route specific URLs via the wireless interface to avoid the proxy.
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2answers
64k views

How to route only specific subnet (source ip) to a particular interface?

How to route only specific subnet (source ip) to a particular interface? OS: Linux I know I can do easily by destination IP by using something like route add 1.2.3.4/24 dev eth4 but I do not ...
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3answers
42k views

How to add a default route back to the Windows routing table

I need to flush and then add this default route back to the Windows routing table: Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 ...
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1answer
80 views

Multiple Servers, externally, through single IP

Let's say, I have a server which is directly connected to the internet (no firewall), and sits on 66.77.88.99 externally and internally sits on 192.168.0.1. I have my domain's records set up so that ...
5
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4answers
554 views

Is there any alternative to virtualization for handling two different interfaces, different networks and same IP range?

I have a Linux box with two different NICs that are connected to two different networks, but they share the same IP range (10.0.0.x). My first idea was to use virtualization for that (i.e., Xen), but ...
14
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2answers
10k views

Stop VPN being used on internet traffic on Win 7 [duplicate]

Possible Duplicate: How can I make the Windows VPN route selective traffic (by destination network)? How To Use Local Internet Connection To Access Internet While Still Connected with VPN ...
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1answer
804 views

Determining cause of TCP/IP connect issue

I need HTTPS access to the host ws.betaqxl.com, but connect fails: :: curl -k -v https://ws.betaqxl.com * About to connect() to ws.betaqxl.com port 443 (#0) * Trying 91.204.81.183... Timed out * ...
8
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2answers
12k views

How to map an IP adress to localhost?

I want to map the IP address 192.168.1.222 to 127.0.0.1 so that if I use 192.168.1.222 in the web browser or ping command I get the response (and that from my 127.0.0.1). Is this possible via ...
0
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1answer
78 views

Expanding IP address number

At the moment I'm managing a little network (7 hosts) linked to the outside world through a normal ADSL connection. This little network is inside a consulting room in which works 4 medic + 2 ...
0
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1answer
949 views

Can't route into WAN with IPCop Router

i try to setup a IPCOP Router but i can't access the WAN from LAN but the LAN from WAN works fine. Example: WAN IP from IPCOP 192.168.1.130/26 WAN IP aliase from IPCOP 192.168.1.131 ... 190 /26 WAN ...
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1answer
2k views

Route via PPTP or VPN Depending on Application or Port

I want to use my primary internet connection (eth0) on my PC for all traffic, but route traffic over a pptp VPN for specified application/or port. Details eth0 = current internet port pptp1 = VPN ...
0
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1answer
1k views

How can I route all internet access through mobile broadband, and all corporate lan traffic through wired connection on Windows XP?

I'm on my laptop with a built-in 3G modem and an Ethernet NIC. If I connect both, how can I route all my LAN traffic through the wired NIC, and all my internet traffic through the 3G modem? I'm on ...
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2answers
1k views

How do I display the route to a website (eg www.google.com)?

What is the Linux command for display the route taken to a website?
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1answer
222 views

Unable to connect to cable modem when connected to VPN

First I have a cable modem which gives the internet connection. The network is 192.168.0.0/24 and its IP is 192.168.0.1 Second line, I have a router connected to the cable modem. Its "outside" IP is ...
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1answer
505 views

How do I tell ubuntu to send traffic to a single IP through eth6?

I want to ensure that all IP traffic going to 172.16.60.62 uses eth6. Please provide complete commands because my linux-fu is rusty. The host is running Ubuntu Precise 12.04 user@host:~$ ifconfig ...
2
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1answer
1k views

Linux PPTP VPN and gateway woes

I have an Amazon Linux machine running in an Amazon EC2 instance. I am connecting to my office's VPN as follows: sudo pppd pty "pptp pptp.<DOMAIN>.com --nolaunchpppd --loglevel 2 --debug" file ...
0
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1answer
2k views

How do I update my routing table to accommodate VPN without using remote gateway?

Windows 7 x64 I have a VPN connection to my work network. It works fine if I have the "Use default gateway on remote network" is checked, but I don't want that. I know I need to update my routing ...
2
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0answers
1k views

None of the clients of LogMeIn Hamachi mesh-network are reachable

For some reason my Hamachi network stopped working. Here is what I have Version of the Hamachi client is 2.1.0.122 It's "Mesh" network. I have 7 clients, 3 of them are online right now. All clients ...
5
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2answers
21k views

Static routing on a TP-Link TL-WR1043ND

My home network setup looks like this: Both routers are TP-Link TL-WR1043ND routers. The basement router handles all devices in the house that are connected via cable, handing out addresses for ...
0
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1answer
284 views

Rerouting outgoing WAN traffic to local PC in LAN

I want traffic outgoing to some IP in WAN to be redirrected to local PC in LAN. For example, traffic to IP 1.2.3.4 (WAN) would be redirrected to 192.168.0.3 (to my lan computer). Router model is ...
2
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3answers
176 views

Is there a way to tell my modem/packets to go to a gateway other than that of my ISP?

My attempts to get onto www.radioshack.com come up with a 'Network Connectivity' error in the browser (both SeaMonkey, and Chrome). tracert got as far as my National Internet Backbone ...
0
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1answer
420 views

How can a PPTD VPN route traffic to other servers on network?

I a have a number of servers which expose various public services to the web. These are behind a server which is acting as a firewall using IPTables and forwards traffic to and from the servers. All ...
2
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2answers
1k views

Using multiple interfaces on a RHEL5.5 x64 machine

I am trying to use a statically-assigned address on one interface (eth1) of a server and have a dhcp-assigned address on another interface (eth2) on the same subnet (172.17.11.0/24). When I setup a ...
8
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2answers
10k views

Setup routing and iptables for new VPN connection to redirect **only** ports 80 and 443

I have a new VPN connection (using openvpn) to allow me to route around some ISP restrictions. Whilst it is working fine, it is taking all the traffic over the vpn. This is causing me issues for ...
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1answer
1k views

ip-up does not trigger when using built-in cisco vpn on mac osx lion

I am using Cisco VPN client over lion and I want to make the ip-up and ip-down work. There is no sign of any action taken when I connect or disconnect this VPN connection. I really doubt whether the ...
0
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1answer
2k views

how to add interface based routing rule in linux

I'm wondering if it is possible to route a same packet differently based on which interface it comes from. For example, there are two Ethernet interfaces on a Linux box, eth1 and eht2. for IP packets ...