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

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10 views

OSX Yosemite - How to add route having two default gateways

I'm on OSX Yosemite and I have two different active connections... - WIFI (en0) - Tethering USB (en7) SnakeBook:~ root# netstat -nr Routing tables Internet: Destination Gateway ...
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1answer
5k views

Redirecting or routing all traffic to OpenVPN on a Mac OS X client

I have configured an OpenVPN (2.2.1) server on an Ubuntu virtual machine in the Amazon elastic compute cloud. The server is up and running. I have installed OpenVPN (2.2.1) on a Mac OS X (10.8.2) ...
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0answers
53 views

Multiple Gateway, for VPN and Internet

I'm pretty new as a system administrator and I've got a problem to deal with in my company. We recently got a VPN and it is working great, I already tested it and all is good. Now in my main site, ...
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1answer
5k views

Manually Setting Interface metric priority of Network Adapters not preferring lower metric route on Windows

After Connecting to Cisco VPN AnyConnect, Now I have two network interfaces having set same default routes, but with different metric values. Even after manually changing/raising the metric value of ...
2
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1answer
16 views

Dual Ethernet port PC routing issue

I have two ports on my PC. I have configured them on two different subnets. Eth#1 connects to the internet thru a Comcast router. Eth#2 is normally disabled unless I want to use my VPN router to ...
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2answers
3k views

Trying to figure out route add to mask an IP to a router/gateway in Bash

Not even sure if I worded this correctly, but here’s what I’m trying to do roughly. Take an IP such as: 192.168.100.0 and mask it to 255.255.255.0, and set the gateway of that route to another IP ...
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1answer
56 views

What are the primary determining factors for the latency of an Internet hop?

Consider the following output from traceroute, from me in Sweden to a server in the US: 1 192.168.1.1 (192.168.1.1) 0.127 ms 0.148 ms 0.167 ms 2 ...
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1answer
2k 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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0answers
10 views

what does yast routing for a static ip look like?

What does it actually look like in yast to configure a route for a static ip address? Configuring Routing To make your machine communicate with other machines and other networks, routing ...
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0answers
10 views

OS X - Static routes / non-standard default gateway for endpoints on *local subnet*

My question is: How can I reliably set up a static route in OS X, for 2 endpoints to pass via a gateway, where all machines are on the same subnet? I provide the context below: For testing ...
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0answers
15 views

use VPN for external connections and not use for LAN

I have three 'devices' en0 (wi-fi) en4 (thunderbolt) ppp0 (pptp) in VPN settings, send all traffic over VPN enabled. Service order in main network settings window is: Thund., Wi-Fi, VPN (PPTP) ...
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3answers
112 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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1answer
2k views

Subnet mask separation between 192.168.2.x, 192.168.3.x and 192.168.1.x

My current setup is following: 192.168.1.x is the main zone behind a NAT router of my internet provider 192.168.2.x is another zone, where all my devices live - they are behind another NAT router, ...
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3answers
2k views

iMac OSX “no route to host”

I have an issue with one of my computer on my network. It is an iMac running OS X 10.5.8. The issue is accessing certain websites. For instance, one of these websites is that the computer is ...
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1answer
4k views

How to debug Remote Desktop Connection when intranet connection works, but not external

How can I setup Remote Desktop Connection (RDP) when I've exhausted all my known searchable resources? I am attempting to set up Remote Desktop Connection on my Windows 7 Ultimate version and have ...
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1answer
22 views

How to reroute external IP address to localhost?

I have a software that I no longer have access to it's source code that is connecting to a server on a certain IP. I want to be able to mimic the same server's functionality and route the IP address ...
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6answers
30k views

Access internal IP using public IP

I have a DSL modem with a public IP address (201.206.x.x), and I have a web server in my internal network (192.168.0.50). I set up the modem to forward requests to port 80 to my web server, so, if I ...
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2answers
2k views

Default gateway 0.0.0.0 on-link

My laptop's NIC went bad and I had to start using a USB Ethernet adapter. When I start up the computer, or even simply unplug and plug in the adapter, it gets two default gateways which show up in ...
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1answer
32 views

Public DNS entry with local IP

We have a set of internal services used by our business applications. Some of them are defined by IP. We are thinking about replacing them all with service subdomains instead pointing to the private ...
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1answer
33 views

Routing a particular subnet into a VPN tunnel

My network looks like this: I'm trying configure my router so that the subnet (192.168.2.0/24) is routed over the VPN tunnel (tun0) on the gateway/router. While at the same time clients on the ...
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0answers
11 views

Routing in Vmware lab

I need help from someone about routing. I created VMware lab and this is what I did till now: Host machine eth0 192.168.1.203 vmnet1 10.10.10.1 vmnet8 172.16.218.1 VMs: Debian Server eth0 ...
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2answers
3k views

SSH Connection Error : No route to host

There are three machines in this scenario: Desktop A : user@1.23.x.x Laptop A : user@1.23.y.y Machine B : user@192.168.z.z All the machines have Ubuntu 11.04 (Desktop A is a 64bit one) and have ...
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0answers
31 views

Windows override gateway metric when using DHCP

I want outbound external connections to be split (roughly evenly) between two network adapters. (load balancing -- I don't have access to the network equipment to set up bonded links) One is wired, ...
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2answers
4k views

Setting up a second router as bridge?

I have a fios router in my basement with wires that connect to it running all throughout my house. At the ends of each of these wires are ethernet outlets (not sure if that's the technical term, but ...
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0answers
24 views

forwarding port 80 to another subdomain

I need to forward (NOT REDIRECT) port 80 on my linux debian wheezy server to subdomain on other machine (hosted by hosting company). IPtables will be the best.
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1answer
11k views

Routing loop: TTL expired in transit

I 'm trying to ping from my host PC (Windows 7) to Ubuntu 13.04 (VirtualBox). However, I get the error: Pinging 10.0.2.15 with 32 bytes of data: Reply from 78.87.2.210: TTL expired in transit. Reply ...
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0answers
103 views

Remote SSH access doesn't work when OpenVPN client is enabled on DD-WRT

I have a DD-WRT router which I would like access remotely via SSH. The DD-WRT is behind an ADSL router which has port forwarding for port 22 enabled, DD-WRT SSH access and service are set to port 22, ...
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1answer
2k views

Windows 7 Set metric to use 2 different network interfaces at the same time

I'm looking for a way to use at the same time wired and wireless interfaces. My situation: 1 Gbit ethernet interface (10.100.x.x) 1 WiFi 802.11 b/g/n interface (192.168.x.x) The PC is part of a ...
2
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1answer
36 views

How can I protect my subnet?

I recently moved to a new place, and the landlord provides our network via an ethernet connection that I connect my own router to. I can't see or ping anything back up the network, but I want to make ...
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1answer
124 views

IPV6 at home: my ISP delegates me a static IPV6 /56 subnet, how can I set up an IP scheme & DHCP6 for my network?

My network looks like this: (Cable Modem/Router) <-> (PfSense Router) <-> (Internal Hosts) The IP (changed for security) of my cable modem is: IPv6 Address ...
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0answers
23 views

ACL inter-vlan routing

I need to configure access control list on layer 3 switches for a some school's: Now the PC's from one classroom can access the PC's from the other classroom. How can I configure that they only can ...
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0answers
17 views

Add External Internet Route to Existing (VPN based) Network

The situation is as follows. A remote site is connected via VPN router to the "mothership." They now have their own high speed internet connection that they need to use for external internet tasks ...
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0answers
13 views

How to use IP address after getting ip pool from irinn?

How to use IP address after getting ip pool from irinn ? What is exact procedure after IP registration till getting ping from outside network ?
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1answer
777 views

How to use ip rule and ip route commands for IPv6 addresses?

For IPv4 we use: ip rule add from (ipv4 address) table 60 ip route -net (ipv4 address) mask (ipv4 mask) (interface number) How do I use the ip rule and ip route commands for IPv6 addresses?
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0answers
51 views

Create a seperate vlan on openwrt in client bridge mode?

I am trying to grasp the concept of vlan tagging, and I am having a hard time getting my head around it. I run openwrt on my router (tplink wr841n) and it is set up as a client bridge, with another ...
2
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1answer
40 views

connect two vlans in cisco switch to one server

I have two VLANs on a Cisco switch. The first VLAN includes 24 PCs and the second has another 24 PCs. Now the company has decided to install a server for these computers. How can we connect these ...
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0answers
47 views

Connect two subnets over dd-wrt router

I would like to connect a static IP subnet over a DD-WRT router to another subnet. My setup 192.168.22.2 PCs with static IP connected via LAN to 192.168.22.1 DD-WRT Router connected via wifi to ...
2
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2answers
911 views

Difference interface priority and metrics in windows

I would like to ask what exactly is the difference between the priority settings of network adapters in the advanced settings window of the adapter settings (adapters and bindings, like mentioned in ...
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2answers
49 views

Connect to my work LAN and ADSL a the same time

The scenario is to connect to my company LAN and an ADSL modem at the same time. My PC has two network cards. one is connected to internal company LAN(no Internet connection) and another is connected ...
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2answers
761 views

can't connect to FTP server — disconnects after FEAT command

I'm trying to connect to an FTP server of which I do not control. WinSCP & FileZilla both do not connect. Here is a scrubbed down log: Status: Connecting to xxx.xxx.xxx.xxx:21... Status: ...
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0answers
21 views

Can't get Windows 7 to route between 2 NICs

I have a situation where I need to route traffic through a Windows 7 box that has two NICs: Computer B Computer A 192.168.10.2 ---> NIC1: 192.168.10.1 Router ...
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4answers
3k 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
3k views

how to test a VLAN set up under OS X Mavericks

I tried to set up an "internal" VLAN, with my mac (running Mavericks) routing this segregated traffic to one of the hardware interfaces. I think this should work irrespective of how people connect to ...
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1answer
10 views

Networking: fallback failed requests to another network interface

I'm on a linux workstation behind a microsoft proxy server so I've installed cntlm to handle proxy authentication. Now I want to add some more complexity; I want failed requests to use another ...
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0answers
52 views

Multi-Gateway Routing - Fedora Kernel 3.17 & 3.18

I know the discussions on multi-gateway source (policy-based) routing have been hashed many times, but am yet find an answer to my current problem. The server (running Fedora 21, Kernel 3.17 or 3.18) ...
91
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13answers
22k views

What is the exact use of a MAC address?

I understand that IP addresses are hierarchical, so that routers throughout the internet know which direction to forward a packet. With MAC addresses, there is no hierarchy, and thus packet forwarding ...
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0answers
16 views

short often network pauses when 2 routers connected

my network looked like that: ISP cable --- ISP modem --- my router --- cable connection to computer 1 \-- wifi connection to computer 2 everything worked ...
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1answer
36 views

Question about subnetting with switch

I have a setup which includes desktop pc, server pc(would also act as router), raspberry pi and ethernet switch (and possibly other devices if I get new switch). I would like to know if this ...
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0answers
19 views

Can I have a router always assign the same IP to a computer, regardless of which interface (MAC address) I am using?

I'm running TomatoUSB on my router at the moment, and like most router firmware, it lets me assign a particular IP to a MAC addresses. In conjunction with port forwarding, this is useful because I can ...
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1answer
27 views

Using DNS to forward to a specific local address and port?

Im running a server on a local address, a raspberry pi at x.x.x.111:64738. I own a domain, mydomain.nu. I want to create a subdomain (the hosting provides a cPanel interface) and forward it to my ...