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

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37 views

Use new Gateway as modem and another gateway as a router?

We recently got TWC internet came with the Ubee ddw365 gateway. For some reason wireless and hardwired the gateway disconnects for a few seconds almost every other minute. At a buddies house I was ...
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0answers
4k views

Cannot delete a route in redhat linux

I have the following entry in a redhat linux machine to reject the private network route: Destination Gateway Genmask Flags Metric Ref Use Iface 10.0.0.0 - ...
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0answers
77 views

Linux IPsec VPN w/ racoon: Routing traffic into the internet

I'm currently setting up a VPN for my iPad to use when I'm traveling. Here's some basic info (if you need more details, just leave a comment, I will extend the question with the details): An OpenVZ ...
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1answer
44 views

IPv4 interface number

I came across a question in Self Test Software for MS Exam 70-642 Which command adds route to destination server, with IP address 10.51.0.0 and subnet mask of 255.255.0.0. Next hop should be ...
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38 views

ADSL > VPN > Squid3 > DHCP > eth1 All on local debian server

I've been trying to setup this config for months but due to lack of knowledge & experience I have no success; HW on hand; Fast enough Local Debian server with 2 NICs & SSD hdd ADSL modem in ...
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1answer
73 views

Access another subnet beside wan through router

I want to access the computer at 192.168.10.5 from my computer ( 192.168.1.2) . I also want to access internet at the same time. If I plug the my computer direct to the switch bypassing my home ...
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1answer
16 views

Customized routing rule for VPN usage

I have a PC running Xubuntu. I purchased a VPS server and setup PPTP VPN with it. I'd like to achieve the following: for services like google, twitter, etc, I'd like to use the VPN connection. ...
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0answers
2k views

Cisco AnyConnect vpn stops internet connection in Windows 8

I have a VPN set up through Cisco AnyConnect 3.1.04072 on a Windows 8 laptop. I can connect to the vpn, but as soon as I do, all internet traffic stops. I've been researching for days now and I ...
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1answer
41 views

Connect two different networks

I have a two small networks: One is cabled and another is wi-fi and has the internet connection. The first one is: 10.5.0.0 subnet 255.255.0.0 gateway 10.5.60.1 The second one is: 192.168.0.0 subnet ...
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2answers
1k views

Adding static route to OS X Yosemite Failing

Trying to add a static route on my MBP (en0 is wifi, en4 is thunderbolt ethernet). ablair@hayate:~$ sudo route add -host 1.1.1.1 192.168.0.1 add host 1.1.1.1: gateway 192.168.0.1 ablair@hayate:~$ ...
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0answers
45 views

How to force all traffic to a certain IP through a specific network interface on Linux

I have an ill-behaving piece of software which requires the usage of a certain network interface on my Linux VM. In practive this is a Vagrant box with a NAT-interface and a Bridged interface. ...
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4answers
11k views

Persistent routes for DD-WRT PPTP VPN client

My home network in the USA is behind a Buffalo router (G300NH) running their version of DD-WRT. I use the built-in PPTP VPN client to connect to a VPN provider in the UK. I route certain traffic over ...
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1answer
35 views

ipv6 forward not work

I have the following problem. I am trying to setup an ipv6 network at my home using my server with an ipv6 tunnel as a gateway. Here is my setup SERVER: server interfaces: he-ipv6 Link ...
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2answers
90 views

IP Route Add Issue

I'm trying to set up IE browsing with fixed routes in the route table. Before adding the static route, I can browse http://www.whatsmyip.org/ with internet explorer After I add a fixed route e.g. ...
0
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1answer
58 views

vpn connection via socks proxy

I can't seem to get a transparent proxy working in openvz. So instead I would like the VPN client to give me back a local socks proxy (ip:port). Is this possible in OpenVPN or any other VPN client ...
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2answers
86 views

OpenVPN router - how to propagate 255.255.255.255 broadcasts on VPN?

I have a dd-wrt router with openVPN set up which I'm using to play LAN games remotely. Some details on the network: remote site LAN: 192.168.10.0/23 router LAN IP: 192.168.11.1 LAN DHCP range: ...
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0answers
53 views

Extend existing IPv4 network by embedded System with its own network (different subnet)

I'm developing an "embedded device" using a self-made RTOS that should be connected to arbitrary customer IPv4 networks. Let's call this embedded device "master". Additionally to the NIC connected to ...
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1answer
63 views

Create a second network within an existing LAN? [duplicate]

I have a LAN at home using the subnetwork 192.168.1.0/24. I know this subnet mask supports 254 hosts. Two Questions: How can I create a subnetwork like 192.168.2.0/24 on the same physical network? ...
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2answers
403 views

How frequently do routing tables change in core-network routers?

How frequently do routing tables change in core-network routers? Once every 30sec? once every minute? every 5minutes? I know that there is a Border Gateway Protocol that runs in the core Internet ...
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0answers
33 views

DD-WRT route between vlan2:1 and vlan2

I've been trying to configure a Netgear R7000 with DD-WRT on board. My problem is the fact I have a private ip assigned to the WAN (vlan2) and a public ip assigned to vlan2:1 If I use only iptables ...
0
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1answer
462 views

How to maintain normal ICS routing after the ICS host connects to a VPN?

I have two computers in my home sharing an internet connection. They both have Windows XP and are connected together with a cross-over cable and share the internet connection via Windows ICS. The ...
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1answer
991 views

Route Split for OS X

I'm attempting to install a static route for a Mac Pro desktop. I'm using Route Split 1.4, which creates a startup script called /etc/routes.sh (the script waits for the interface to come online ...
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1answer
990 views

What does netstat -r on OSX tell you about gateways?

I noticed the route table has a lot of entries I do not understand. The route tabel is: Internet: Destination Gateway Flags Refs Use Netif Expire default ...
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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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0answers
29 views

Connect 2 Networks and restrict acces

The Setting: 2 apartments where each has it's own internet connection over an AVM Fritz!Box. I'd like to connect both apartments with a network cable. In apartment 1 is a NAS wich should be ...
0
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1answer
48 views

How to access the service on the server which act as the VPN Gateway as well?

I am currently running a VPN Gateway by Strongswan on a CentOS 6.5 VPS. The CentOS server has one eth port. The VPN is using IKEv2 and the connections between clients and server are established. The ...
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1answer
31 views

Routing from VM to internet

I have setup a VM using VirtualBox with Windows 7 as the host. On my homenetwork the VM can connect fine to the internet, without any changes on my side. However, when I'm running the VM when ...
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3answers
152 views

How to interconnect two different LANs?

I have two different routers connected to different ISPs having different LANs. I want to setup the network such a why that we can connect to devices on the other LAN or ping devices on the other ...
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0answers
81 views

OS X: Trying to route specific ip range through ethernet, the rest through wifi

I'm a software vendor working at a client's premises. The client has a corporate network that pretty much blocks the internet, so I'm using a Wifi router for internet access. The problem comes when I ...
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1answer
3k views

How to enable ip masquerading/forwarding on CentOS 7

I want to enable IP masquerading/forwarding on CentOS 7, but when I specify net.ipv4.conf.default.forwarding=1 in /etc/sysctl.conf, it doesn't work. Can any one help with this problem?
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0answers
56 views

Routing some request through VPN with Tinc

maybe you could help me. What I need is that some request to certain host are passed through the VPN that I've created with Tinc. By example: Server B request test1.mywebsite.com -> Request go ...
5
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1answer
746 views

From my 192.168 box, how do I find 10.0 virtual machine on the same box?

I am running Ubuntu 12.04 and VirtualBox 4.1.12. I have created a Debian server under VirtualBox. For reasons I don't understand, DHCP grants my Ubuntu box 192.168.20.50 and my Debian VM 10.0.2.15. ...
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1answer
26 views

About network traffic control

I have a satellite internet connection -> a pretty nice 8 processor server with 64gb of ram, running debian 7.7, two lan ports, one connected to the gateway, the other to the wifi router, wifi to all ...
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0answers
21 views

Access VPN client from LAN

I have a pfSense configured as firewall/router/VPN server (PPTP, unfortunately, cannot be switched to OpenVPN/IPSEC/L2TP). The local clients are on 172.16.12.0/24, and VPN clients are on ...
0
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1answer
79 views

Windows Routing Table

Consider following routing entries in windows route table: Address Mask Gateway Interface Metric: 0.0.0.0 0.0.0.0 10.0.43.1 10.0.43.6 10 127.0.0.1 ...
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0answers
62 views

Connections from virtual host to internet OK, but to rest of LAN, broken

In a notebook running Ubuntu 14.04 I have installed VirtualBox and created a virtual server with Windows 7. The PC is connected to a 192.168.x.y LAN. The virtual server is in a host-only network with ...
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2answers
86 views

Multiple network interfaces with the same local IP address

I run several VPN connections that give me different external IP addresses. But these VPN servers often give me the same local IP address. So I can end up with the following configuration: eth0 ...
0
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2answers
76 views

Neighbor solicitation or advertisement not forwarded between interfaces

I have Ubuntu 12.04 installed in a VirtualBox VM on a Windows 8 host computer. Windows 8 had a hosted (wireless) network to which I can connect with my Android phone. The eth0 interface of my VM is ...
2
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1answer
585 views

static IP outside of subnet range

I have two questions, but let me explain the situation first. They are about the (static) IP address of a printer attached to the network. We had this networking setup, using a normal consumer router ...
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0answers
45 views

Multiple NICs on a same subnet

Although there are several articles discussing about the issue, I need some advice because I am still facing the problem. I have 3 interfaces on a virtual machine (cents 6.6) [root@localhost ...
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0answers
67 views

Windows 7 IP routing

I'm really stuck on this one and I have been told stack over flow is a great place to come for advice. I have a machine running Windows 7 Professional with two internal gigabit NICs. I have enabled ...
2
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1answer
595 views

routing a secondary IP-addr. of a different private network on the same interface

Typical home-networking xDSL setup on a TG782 router/gateway. Hosts on the local private network are allocated IP-addresses in the range of 192.168.1.0/24 and can get to WAN through the aforementioned ...
2
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1answer
4k views

How can I ensure outbound traffic uses the same interface as that of inbound traffic in Linux?

I have a Linux box with two interfaces: one for data and the other for management purpose. If both are on the same network, I have a route added for both interfaces. Imagine the routing table is: ...
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0answers
431 views

iproute nexthop not working - defining multiple default gateways

I have several point to point connections and I’d like to use all of them as default gateways. I saw this link which explains how to do this using load balancing by calling ip route with a next hop ...
0
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0answers
33 views

How do I route data from a VPN-Connection to a server connected with ICS? (Windows)

I am running a Windows 8.1 machine as a centerpoint in my network, it has three network interfaces, Wireless Wifi, Ethernet, and a VPN tunnel. The Ethernet interface is used to share the computer's ...
6
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4answers
27k 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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2answers
387 views

Debian randomly changes IP adress

I have debian6, interfaces are set manually: eth0 Link encap:Ethernet HWaddr 40:61:86:7c:42:ed inet addr:192.168.3.238 Bcast:192.168.3.255 Mask:255.255.255.0 inet6 addr: ...
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6answers
6k 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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2answers
1k views

DD-WRT: Cannot see client when using wired ethernet

A bit of a frustrating problem I've been facing - I just don't know what's wrong. I have a Netgear WNR2000v3 router with DD-WRT v24-sp2 (03/19/12) std installed. Everything works perfectly apart from ...
3
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2answers
6k views

How can I use two network adapters on OSX, one for LAN traffic and one for Internet traffic?

I have two networks available in my location, and am using a MacBook Pro running OS X Lion. BLUE NETWORK - DHCP assigns me 10.x.x.x address, and is for internal traffic only. It has no connection ...