Tagged Questions

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

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0
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0answers
17 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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1answer
12 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 ...
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0answers
10 views

VPN Client to Client Communication

Yesterday I setup a new VPN server which is located in a datacenter with a static ip address. My homeserver is connected to this VPN server and my smartphone as well as my notebook and I'd like to ...
-1
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0answers
18 views

How would you design the VLANs in this network to reduce the switches to the minimum

I'm just designing the physical network for my house and I created the following diagram: It is still acceptable, but as I cannot control "internet prov." zone expansion; because it is just to ...
2
votes
0answers
15 views

Skype doesn't connect through OpenVPN

I have an OpenVPN server running on a VPS. When I connect to the VPN using the redirect-gateway option to route all traffic from the client through the VPN, Skype loses its connection. As soon as I ...
0
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0answers
14 views

Connect to IPv6 network with a VPN not supporting IPv6

I have connection to IPv6 network, as well as a VPN connection (IPv4 only). However, the two conflicts with each other: when I connect to the VPN, I cannot connect to IPv6 host, by domain name or IPv6 ...
1
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0answers
17 views

Route network traffic back to the same wire

I would like to monitor outgoing traffic from my wi-fi connected phone using Wireshark on my Windows desktop. I changed default gateway on the phone to the IP of the desktop and Wireshark can now see ...
0
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0answers
21 views

What are the inconveniences of replacing a router by a computer?

I need to manage the internet usage of all the computers (between 10-50) in a network with deeper capabilities than those that a classical router offers. I would like to have features like: ...
0
votes
1answer
37 views

Setting up alternate routes to blocked sites via Wi-Fi in Mac OS X

My office has restricted access to Internet sites such as Skype & Dropbox. I also have access to an unrestricted Wi-Fi. The laptop is connected to both access points. Now my problem is, when en0 ...
0
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1answer
17 views

Routing 2 NICs with Windows 7

I have a network topology according the picture below. The first computer is conected to computer 2 through network adapter with IP 10.44.12.112. I need comunicate with the computer 1 with PLC, but ...
0
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0answers
98 views

sudo route - n add not working in Yosemite

I'm hoping someone can help. I log into one of my customers via a PPTP Mac native VPN. Prior to Yosemite, I would connect to the VPN, then run this command so I could access mail/internet while ...
0
votes
1answer
25 views

Why are my routes being removed/replaced when connected to vpn?

Since I work on customers sites and most of the time I need to be connected to my company's network (vpn), I usually create routes to access customers servers. However, sometimes when I'm connected to ...
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2answers
53 views

DNS Resolving Issue For Mavericks

I am observing a weird issue on my Mac running Mavericks (OS 10.9.5). I am able to browse any website without any connectivity issues. However, when I check my nslookup results, I am observing weird ...
1
vote
0answers
13 views

Static routes in ISC DHCP

I have an Ubuntu 14.04 server at home running bind and ISC DHCP. Bind is caching from unblock-us.com so that I can get access to US Netflix content. This all works fine. I'm running into trouble ...
0
votes
1answer
23 views

How to solve routing issue when connecting to VPN?

I am located in the Middle East, and connecting to a VPN in New York. Some time in the past couple of weeks, something appears to have gone wrong with the routing, such that it is now impossible for ...
0
votes
1answer
32 views

Subnet Masking vs Routing

To extend a network beyond the amount of 254 hosts, there are basically two options, if I understood it correctly: I could use a second network, having a different network prefix and connect the two ...
0
votes
1answer
22 views

Reach a VPN client from a host on private subnet on AWS VPC

I have a setup like the one on turnkeylinux's github https://github.com/turnkeylinux-apps/openvpn/blob/master/docs/site-to-site.rst I have a VPC with public and private subnets, and a NAT instance on ...
1
vote
1answer
304 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:~$ ...
0
votes
1answer
62 views

unable to ping my win7 computer from an another computer in different subnet while I could do the opposite

subnet A(192.168.137.0/24) has P(192.168.137.1) and Q(192.168.137.2) computers subnet B(192.168.7.0/24) has Q(192.168.7.1) and R(192.168.7.2) computers P is my windows 7 computer connected to ...
1
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0answers
22 views

Adding a static route for gmail?

I have my PC (windows7) on two networks - WiFi Hotspot and LAN at the same time. I would like to add a route on my PC such that requests to gmail go to the Wifi Hotspot and everything else to LAN ...
0
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0answers
16 views

Interpreting traceroute output for potential routing loop [on hold]

Is the following hypothetical traceroute output an indication of a routing loop or could it be due to something else? 1. 172.1.1.1 172.1.1.2 2. 172.1.1.2 172.1.1.1
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0answers
18 views

How do I send all traffic to mail.me.com over WiFi and have all other traffic go over ethernet?

My company is blocking traffic to apple mail services on ethernet. But we have an 'open' WiFi where I can get my apple mail. How do I send all traffic to mail.me.com over WiFi and have all other ...
0
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1answer
16 views

How does email routing work?

I want to understand how email routing works. Lets say I am trying to send a message to someone @gmail.com. According to my current understanding, the following steps happen: DNS MX query on ...
0
votes
1answer
18 views

Application specific routing table in linux

I've two systems A and B with different network provider but connected to the same switch. Suppose IP of A is 0.0.0.10 and IP of B is 1.1.1.10. I can make them connect locally or over internet by ...
1
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0answers
43 views

Dynamic Routes at Home Router

I am currently using a linux box as my home router (PPPoE to my ISP and NAT, etc). Some websites are blocked in my country (don't say the name out loud), so I have another PPP in my router to a VPN ...
0
votes
1answer
17 views

Cisco AnyConnect VPN peculiar routing

I have noticed that when my VPN connection (Cisco AnyConnect 3) is active, I have the following routing entry: Persistent Routes: Network Address Netmask Gateway Address Metric ...
0
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0answers
33 views

VMWare Player bridged guests can't see host on network

I have a Windows 7 Ultimate 64-bit machine running 3 VM's on VMWare Player 6.0.3. The host is not able to communicate with the guest machines, however the guests are able to communicate with all other ...
0
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0answers
22 views

Forcing local IP traffic over cable only works for a few seconds

I have a machine with three network devices (eth0 - eth2) with eth1 and eth2 connected together via a network cable. I access the system via ssh using eth0. eth0 is on one ip range 10.87.3.x and ...
-2
votes
0answers
21 views

No NAT hairpinning support? [duplicate]

What does the network path look like if an internal device A attempts to access internal device B (port forwarded to by internal router) via external ip? Does it just hit the ISP and come back to the ...
0
votes
1answer
32 views

Configuring route from source to destination

not an expert in Solaris networking so would like to ask your opinions Say i want to configure packet routing from source 10.126.120.130 (A) to destination 10.214.140.9 (B). I configured it this way ...
0
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0answers
40 views

Wireless NIC Configuration Troubleshooting

My wireless connection at home doesn't work anymore... I was onsite with a client, and their network team installed a few static IP address routes so that I could connect to their internal network, ...
0
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0answers
27 views

Ping works when initiated from one node, but not from the other

I have two remote nodes on different networks. No node has a route for the other node network, so default gateways should be activated. Node 1 has the correct default gateway that enables the ...
0
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0answers
22 views

windows server 2008 R2 vpn cannot access internet

It seems I have a rather complex case here that I've been stuffing on net for a week but still not go. I would try to explain this issue(s) at the best I could and hopefully get this solved. I have a ...
0
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0answers
109 views

How to setup routing / NAT / Remote network for VPN in pfSense?

I have a gateway machine—running under pfSense—and it has VPN connection to private network in range 10.0.0.0/8. I have standalone OpenVPN program, which allows me to connect to this net ...
1
vote
0answers
12 views

Is there a way in windows to force/encourage a program to use a specific NIC (not as a developer)

I have multiple network cards, and can use more than one of them to connect to the internet. It is simple to force connections to a specific target IP to go through a specific NIC, using the route ...
0
votes
1answer
10 views

Routing through two different network interfaces with conflicting ranges

This is similar to the question Is there any alternative to virtualization for handling two different interfaces, different networks and same IP range? but that is about linux. And also similar but ...
1
vote
1answer
28 views

How Does a Router Map Inbound Traffic to LAN Nodes? [duplicate]

Imagine a home network of several computers connected via router to an ISP. Computer A wants to request a webpage from a remote website, 10.234.12.8. The address is not in its ARP cache, so it ...
1
vote
1answer
44 views

How to route traffic from NIC1 to NIC2 when both NIC's are in different subnets?

I am implementing anycast ip on multiple servers which have 2 NIC's installed NIC 1 is connected to the production LAN with a subnet and a Default Gateway (automatic registration in DNS enabled for ...
0
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0answers
8 views

VLAN routing query on HP Swtch

I have Layer 3 HP switches throughout my organisation. They are set up to perform routing between all the VLANs connected to them, and everything is working. I am pretty proficient with using them, ...
0
votes
1answer
46 views

VPN Issue - Unable to reach Servers when connected to VPN

I have a user who's laptop every time he connected to the VPN the internet on his laptop would completely cut out. To get round this issue I changed the config of the VPN connection to not use the ...
1
vote
1answer
79 views

allow incoming ssh with openvpn client

I have set up an OpenVPN client on my home router. The moment the tunnel goes up, I can no longer ping my router from the internet using its WAN_IP. I would like to allow certain incoming connections ...
0
votes
2answers
30 views

How does MAC Source Address Learning work with regards to hubs?

On my previous assignment for a networking class, I compared answers with a classmate regarding Source Address Table for a problem that had 3 devices connected to a switch. Device A + B were ...
0
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0answers
30 views

OpenVPN route specific traffic through normal interface

I use OpenVPN service and I test my software with a remote server. My problem is that VPN connection is slow and picture uploading through VPN with FTP service is laggy. I want to use C# database ...
0
votes
0answers
33 views

Disable/forward ping on router

I'm trying to ping my computer from an external device but it's is behind a router which answers the requests. The router is a TP-Link WR841N running OpenWRT 12.09. I'm guessing I'll have to use ...
0
votes
0answers
18 views

Becoming a VPN router in Arch Linux

I want to be able to set my computer as the router (or "default gateway") on any device on my network and have it go through my VPN, eliminating the need for a VPN client on that device. I do echo 1 ...
2
votes
1answer
22 views

Multiple uplink routing on Linux

Objective I'm trying to setup some kind of "uninterruptible Internet supply" for a Linux machine. For this reason I'm using two uplinks: a standard wired connection via eth0, and additionally a 3G ...
0
votes
1answer
55 views

Confused about entry in windows route table

Disclaimer: I know very little about this, please humour me with the obvious because I'm probably not aware of it. I have a windows PC on subnet: 192.168.0.0/255.255.255.0 its IP is 192.168.0.2, ...
0
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0answers
12 views

How to relay broadcast traffic using ncat?

I have 2 servers, 192.168.1.1 and 192.168.2.1. I want to relay any broadcast traffic (192.168.2.255) through 192.168.2.1 to 192.168.1.1. Here's what I'm doing to relay port 137 traffic, and it seems ...
-2
votes
2answers
72 views

Routing works with netmask 255.255.255.0 but does not work with 255.255.0.0

I had multi WAN router with LAN address of 192.168.10.1/24. Also, I had a device with address 192.168.100.1, which was connected BEHIND WAN1 interface. To access this device, I have added a static ...
0
votes
0answers
53 views

mac osx override default route for address range by net mask

On my mac I have two adapters, I'd like to use the WiFi as WAN and Ethernet as LAN by setting up some custom routing. The service order is set to WiFi then Ethernet which in the routing table looks ...