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

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Static route between OpenWRT router and TPLink Archer C9

I have an almost identical issue as described here; Static routing on a TP-Link TL-WR1043ND However the answer doesn't work well for me as by doing as suggested my internet speed for devices ...
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0answers
31 views

Tracerout fails in last hop but succeed from last machine

I have 3 servers : A, B and C. A = 10.1.52.100 subnetMask = 255.255.255.0 defaultGateway = 10.1.51.254 B = 213.56.106.137 subnetMask = 255.255.255.192 defaultGateway = 213.56.106.190 C = ...
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1answer
108 views

Hosts on subnet can only access hosts subnet directly

I recently setup Proxmox as a virtualization host. It is just KVM + Debian in a nice linux distribution. My home network is 192.168.12.0/24. I wanted to use 192.168.14.0/24 as the subnet for all of my ...
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0answers
27 views

Is there any reason not to use the external IP when accessing local resources?

Until recently I had always assumed that accessing the external IP address from within the LAN would go out to the internet and then back unless specially configured in the router. Apparently, if it ...
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2answers
94 views

Can a Linux machine have two the same IP addresses on different interfaces/networks?

Is it possible to have two the same IP addresses and subnets assigned from two different interfaces/networks? How would such machine behave? How would route table look like?
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1answer
82 views

Mapped network drive cannot be deleted, but shows up in Explorer; connects to wrong server

This is the most bizarre problem I've ever encountered. Summary: A mapped network drive persists in Windows Explorer and cannot be deleted/disconnected (claims it does not exist; net use shows ...
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3answers
428 views

What is the difference between altering the hosts file and adding a static route in the command prompt?

If I wanted to route a certain IP address to my default gateway, could I do it both using routing in the Windows Command Prompt, as well as the hosts file? Is there a difference? Thanks!
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1answer
41 views

Wireless Multicast transmission

I'm working on a high bandwidth application which uses multicast. Let's say there's 20 ip devices connected wireless to a router. One ip device sends a multicast packet to the multicast group. Will ...
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1answer
187 views

OpenVPN: Route only specific subnetwork through vpn - works for single IP adresses

I was trying to route only specific subnet/single through open vpn. I have read several questions like this on superuser, and even found good answer to my question. So I am now able to route single ...
2
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1answer
50 views

IP network routing: restrict traffic on an interface

My PC has wired and wireless Ethernet. The wired port connects to a private network with no Internet access. the wireless port connects to a domain network with Internet access. The problem is that ...
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1answer
41 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
37 views

Can not connect to VirtualHost when VPN

I run VirtualBox on my local machine with Ubuntu which hosts my application. Application URLs points to VM IP Address in my hosts file (/etc/hosts). And this configuration works fine. I can also ssh ...
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3answers
113 views

How do I set Input interface is output interface

I have eth0 with IP X.X.X.X and eth0:0 with IP Y.Y.Y.Y. My goal is if I connect to eth0 then output ip shoud be X.X.X.X and if I connect to eth0:0 the output ip should be Y.Y.Y.Y. Example: VPN ...
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1answer
50 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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0answers
48 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
138 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 ...
0
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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. ...
0
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1answer
69 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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0answers
92 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. ...
0
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1answer
43 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 ...
1
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2answers
108 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. ...
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1answer
89 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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3answers
124 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
56 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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0answers
90 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
78 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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54 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 ...
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1answer
35 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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0answers
30 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 ...
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0answers
135 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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76 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 ...
0
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1answer
55 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
27 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
23 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 ...
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77 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
135 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 ...
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51 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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91 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 ...
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0answers
37 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 ...
1
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1answer
48 views

Is it possible to setup a private IPv6 subnet and route to the Internet?

I am still trying to figure out how IPv6 works. But I had a question. I currently have an pfSense firewall attached my Comcast service and configured with to request a v4 and v6 WAN address from ...
0
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1answer
92 views

Virtual servers not forwarding when DMZ set in DLink 2730B

My router is a DLink 2730B. The target machine IP is 192.168.1.6. I’ve applied DMZ Host to this IP, and have configured on 'Virtual Server' the following settings: Port 21 on 192.168.1.6 is ok, I ...
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172 views

Routing specific port ranges to specific gateway on Asus AC68 router using iptables and ip route

Linux noob here. I was hoping someone could help me with configuring some routing rules on my router, an Asus AC68. The router is connected to two gateways, wan0_gateway and wan1_gateway. I have ...
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0answers
78 views

Not able to SSH into Raspberry Pi when PPTP is active

I have a Raspberry Pi set up as a seedbox, and I'm trying to make it connect to my VPN. I'm using PPTP to connect, and I can make the connection work just fine, and my IP address as shown to the ...
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0answers
38 views

Route IP traffic to different machines based on API call

I have a requirement to route IP traffic on public IP a.b.c.d:xyz to either e.f.g.h:xyz or e.f.g.i:xyz, based upon some known state of those machines (known to my app). The traffic itself would not ...
0
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1answer
256 views

Empty entries (***) when using traceroute on a PC but not when using traceroute in the router

Today when I try to traceroute www.google.com from both my router and my PC, I saw a weird behavior. Router's Traceroute traceroute to www.google.com (173.194.38.176), 30 hops max, 40 byte packets ...
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24 views

Sharing APs, but different gateways

I'm moving into a student apartment building with three friends soon, and I could use some help in designing the network. The situation is as follows. We each have our own outgoing connection with a ...
0
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1answer
131 views

OS X, packet filter (PF), route-to options

I was trying to setup "policy based" routing with pfctl (PF) on OS X 10.10, however no matter what i do, i am getting "syntax error" from pfctl. config is rather simple: cat ./test.conf inf="en0" ...
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1answer
257 views

OpenVPN over SSh port forwarding : can't redirect all trafic through VPN

I'm trying to escape my university wifi network rules with my Macbook (OSX 10.10). The university allows us to use a server, say bastion.univ.com, to mount an ssh port forwarding. I've an OpenVPN ...
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1answer
136 views

No 6to4 default route in Windows 8.1

On my Windows 8.1 laptop, i can’t connect to native IPv6 hosts over 6to4. route print -6 shows that no default route is set: ...
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6 views

Network access, routing issue

My ISP is providing me 3 IP addresses over a single network cable each assigned to a MAC. The main network cable is connected to a switch. 2PCs and 1 Router are connected to that switch. PC1 is ...