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0
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1answer
80 views

A desktop PC connected to two network interfaces - what does that mean?

I am to create a network design draft where each PC is connected to two network interfaces. Well, what does it mean? That it could use network printer?
2
votes
0answers
122 views

A Printer that has multiple MAC Addresses?

I have a Lexmark printer that for some reason shows multiple MAC addresses when its connected to a switch. Thats so weird. Anybody had the same problem? How can I solve it and how come it has ...
2
votes
2answers
365 views

Is it possible to use the interface on a remote machine which I can SSH into?

I can SSH into a machine which has a wifi adapter connected, with interface wlan0. Can I use its interface (wlan0) on my client machine ? As an example, if I want to run iwconfig (or any tool which ...
0
votes
1answer
355 views

CE interface in Solaris 10 drops mac address (per ifconfig)

I recently installed Solaris 10 1/13 and proprietary TCP PEP software on a new hard drive within an old Sun v210. When the PEP software starts, the Sun's CE0 interface loses its "ether" address, ...
3
votes
0answers
694 views

ForceBindIP not binding (Alternatives to ForceBindIP)

I'm working on Win7 x64, and I can't get ForceBindIP to work. I know it's an outdated software, if you have suggestions for a replacement, I'll be really thankful. Issue: When I call ForceBindIP from ...
1
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3answers
10k views

How to find out total NIC cards and total available physical ports in linux

I need to find out how many total physical ports my server has, and how many of them are in use and how many free. Can you kindly help how to find it: This is what i find from dmidecode output: #...
2
votes
1answer
490 views

Disable IPV4 on one interface using CMD

How can i make the same ad unchecking box IPV4 on internet connection properties, but using CMD, netsh, or sth. what i can put in .bat file?
2
votes
1answer
2k views

setting up wifi for static ip on ubuntu 12.04

I want to setup dhcp and static IP I have 2 lan card, Ubuntu 12.04 and it is a laptop the wireless interface I want to give a static IP and lan to have a dynamic ip how should I go about making ...
0
votes
0answers
104 views

Replaying packets on local machine other than loopback

This might sound very wierd; but can I replay a pcap file on a interface other than lo in local machine? I want to get packets on lets say eth1. It is not attached to any link as of now. I want the ...
0
votes
0answers
50 views

how do you hook into a live stream of 802.15.4 packets? [closed]

Using a packet sniffer I am able to detect and successfully read a "hello word" payload within an 802.15.4 frame. It's great can see the frames in the sniffer, but now I'm at the point where I ...
5
votes
2answers
33k views

Use commandline to show disabled network interfaces in windows? (Mobile Broadband and Regular Connections)

There are a few ways you can list network interfaces via commandline. For example: netsh interface show interface netsh interface ip show interfaces ipconfig |findstr "adapter" For Mobile Broadband ...
2
votes
2answers
1k 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 ...
1
vote
1answer
389 views

Only “lab” traffic over my Juniper VPN connection - all other traffic over normal Wifi/Ethernet?

How do I configure my Juniper VPN client to work like the Windows VPN client to not be the default gateway for all traffic?
1
vote
1answer
248 views

ubuntu setup network routing table

I have two interfaces: eth0 and wlan0. I want all traffic to go though wlan0 except for port 80 traffic that should go on eth0. Is there a way to setup the routing table so it does that? My current ...
0
votes
2answers
521 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: ...
0
votes
0answers
2k views

Ubuntu Server 11.10 interfaces file unreadable

I am configuring ubuntu server 11.10 to go from dhcp to static and whenever I try to restart my networking manager, I get the error: command ran: sudo /etc/init.d/networking restart ...
1
vote
0answers
535 views

Bind process to network interface

I'm attempting to perform simultaneous bandwidth tests from a single machine using multiple network interfaces. None of the utilities I've found so far allow me to do this. The closest was iperf ...
1
vote
0answers
666 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 ...
1
vote
1answer
927 views

What routes must be set (in Linux) to allow Internet access through given interface without setting it default?

I am trying to solve a task with routing and OpenVPN's configuration. After setting the connection, I don't want it to become defaut route to anything, but rather want to use its interface for this ...
1
vote
6answers
6k views

Sharing LAN between two buildings. What should I use?

I need to connect two buildings to share LAN and internet connection between them. They are 20m apart, but from the two end points I would need about 90m of cable. I know that the maximum of UTP is ...
1
vote
1answer
2k views

Debian: Routing Table and Two Interfaces

I've a Debian machine with this network scenario: eth0 - Internet Connection via local Router (172.20.1.x) ppp0 - Dial-up to a network without internet (10.x.x.x) I've set pppd so it won't add ...
1
vote
1answer
99 views

How are network interface statistics generated?

I was wondering how are the network interface statistics generated? Could someone point me out?
1
vote
1answer
365 views

Virtual Interfaces Unable to send packages in DD-WRT WR741 v2

I'm using a TP-Link WR741ND v2, with the DD-WRT v24-sp2 (07/20/12) std. It has been working for the last 3 monthes, perfectly ok, but suddenly the virtual interfaces stopped sending packets. I ...
1
vote
1answer
2k views

ifconfig ignores alias on IPv6

When I add an IPv4 address for the interface eth0:0 with ifconfig, it is created correctly: ifconfig eth0:0 add 192.168.10.10 This can be verified by ifconfig or "ip a". When I add an IPv6 address ...
0
votes
1answer
189 views

Gateway Driver Interface down, no port forwarding

In my home network I am using a Linksys WAG120N WLAN Router. For one of my devices I need port forwarding, this works without problems. I have, however, noticed that after a while the port forwarding ...
0
votes
1answer
439 views

Tunneling a particular site through a VPN on a particular NIC

I have two NICs on my desktop — an Ethernet interface and a WiFi interface. I have a VPN connection that allows me to connect to American servers which i use to access sites like Pandora. I can ...
1
vote
2answers
944 views

How to create a virtual interface from a socks proxy?

I am wanting to create a network interface from a SOCKS 5 proxy on localhost. This will eventually be bridged with a wireless interface that I have which will be operating in AdHoc mode. This will ...
2
votes
0answers
1k views

Wireless network interface ra0 does not start at boot

I recently installed USB Wireless Adapter based on Ralink RT5370 chip on my Ubuntu 10.04. Manufacturer drivers are installed properly and now I have ra0 wireless interface configured in /etc/network/...
1
vote
1answer
680 views

Configuring two interfaces with netcfg in VM (VirtualBox)

I am using netcfg to configure two interfaces in my archlinux VM. In VirtualBox I have set two active interfaces. The first (eth0) is the NAT interface to provide the VM with Internet access. The ...
1
vote
1answer
2k views

Run script after all interfaces were up in Debian

In order to setup a load-balanced permanent routes in debian, according to this article, i have to run the following command ip route add default scope global \ nexthop via 10.100.0.254 dev eth0 ...
4
votes
1answer
1k views

What traffic uses an interface bound route (RTF_IFSCOPE flag)?

I have a following up question to an question I found answered on unix.stackexchange.com (see link below). What is the difference between the following two routing table entries: default ...
2
votes
1answer
858 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 ...
1
vote
1answer
3k views

Install Ubuntu, eth0 not detected?

I have installed Ubuntu laptop Toshiba Satellite L640?, and I had difficulty, that is how to enable network interfaces, eth0 was not detected when running ifconfig.
0
votes
1answer
1k views

Easy persistent network config on ubuntu server

I'm having some problems configuring a static IP on my ubuntu server. What is the easiest way to configure IP, netmask, nameserver and default gateway on eth0? I've tried modifying the /etc/network/...
1
vote
2answers
478 views

What does `ec` mean in `HWaddr ec`?

When I do ifconfig on my laptop I get HWaddr ec and than an address, this is next to eth0. Note that my IPv4 address only appears next to eth1 so I assume my laptop uses the eth1 network interface. I ...
3
votes
4answers
337 views

Three computers accessing internet but only two network interfaces showing in ´ifconfig´, why?

My gateway(router) is connected to DSL. The gateway connects to 1 wireless transceiver device. 2 fixed computers connect to the router. At the moment of me doing ifconfig 2 fixed computers were ...
1
vote
1answer
661 views

Allow network interface configuration without root priviledges

I have second network interface and I want to allow non-root users to configure it (Ubuntu). Is it possible to do this with udev or setcap? What should I rather use and how?
1
vote
1answer
5k views

iptables trouble: nat with ip alias (virtual interface) not working

I'm setting up an Ubuntu 11.10 server to act as firewall for a network running several different SSL websites. The idea is fairly common: have all public IP's for each site aliased to the public ...
8
votes
5answers
40k 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 ...
2
votes
1answer
396 views

Specific Network Interface

What I'd like to do is to force an instance of a browser to use a specific Network Interface. I've tried: http://www.r1ch.net/stuff/forcebindip/ and was less than successful - besides, I'd like to ...
3
votes
2answers
11k views

Restrict SSH to one interface

How can I restrict incoming SSH connection request to only one interface? I'm using Ubuntu Server 10.04 LST. I want to lock down access to SSH to only one interface because I use the server as a ...
2
votes
1answer
338 views

Alternate traffic through multiple interfaces on Linux

I have a VPS with three IP's. I am trying to setup the network configuration to allow round robin usage of the three IP's for outgoing requests (downloads into VPS). How do I change the following ...
1
vote
2answers
4k views

Set up Ubuntu server as router

I just installed Ubuntu 10.04 LTS server on a old desktop PC with a dual port network card I would like to use as router for my home network. How do I have to set up the interfaces so that the ...
2
votes
2answers
1k views

List network interfaces on a Ubuntu machine

How can I get a list of the network interfaces on a Ubuntu machine including wired and wireless?
1
vote
1answer
664 views

Does the physical interface name in Linux ever change?

When I see the man page for interfaces I see the below. Has anyone seen similar behavior, I had been using Ubuntu for some time and my net-books interface name has not changed for ever. The ifup ...
3
votes
1answer
5k 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: ...
1
vote
3answers
1k views

Permanently down/disable network interface in opensuse

I have two wireless cards in my computer. One bad one that cant be removed and one good one the I actually want use. Opensuses network manage automatically loads both and switches between the other ...
1
vote
1answer
6k views

Do I need the broadcast and network values in etc/network/interfaces?

My ISP has given me two static IPs, and I was just configuring the etc/network/interfaces file and saw that I need netmask, gateway, address, broadcast and network values. I only have the first three,...
2
votes
2answers
2k views

What does mask 0.0.0.0 mean when it's assigned to a network interface?

Suppose I use ifconfig or some similar command to setup my network interface, and I assign 0.0.0.0 to the mask parameter. Does it have a special meaning? What implications could this have?
0
votes
1answer
1k views

Configuring IPv6 automatically and IPv4 statically

I've got a Ubuntu Linux box that has two IPv4 addresses and an IPv6 address. This is my current /etc/network/interfaces: auto lo iface lo inet loopback auto eth0 eth0:0 iface eth0 inet static ...