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3answers
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USB Ethernet to my machine rather than RJ45 NIC Cards

I have a 7 node cluster setup in my organization and they all have dual port Ethernet NICs on them, running Ubuntu 14.04.4. Each machine is connected to two networks at the same time. Requirement: I ...
1
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2answers
670 views

How can I configure a network interface to be available to a VirtualBox guest and be unused by the host?

On a host system with two physical network interfaces, how can I designate one interface to be used only by a VirtualBox guest OS? Both host and guest are Ubuntu 10.10 running NetworkManager. Ideally,...
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2answers
30 views

Things That Affect NIC Cards' Performance?

Folks, I have a laptop and a tower. And I use EtherCAT (through Ethernet port) on both. But I notice that if I unplug my cables on the tower, I loose a lot of frames, where as in the laptop I may not ...
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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
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 ...
2
votes
1answer
342 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 ...
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vote
1answer
151 views

Can i see my bluetooth connection as network interface in linux?

I have 2 laptops. i have paired them succesfully with each other via bluetooth, so i can exchange files between each other. Both of my laptops have linux installed. when i run the ifconfig command to ...
1
vote
1answer
663 views

Public static IP address for LXC container

I have a server running Ubuntu 14 (server edition), connected to a network using two network adapters. These two network adapters are configured in a bond to have network redundancy (in case one of ...
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 ...
1
vote
1answer
683 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 ...
0
votes
1answer
42 views

Connect New Server to Static IP and To DNS Server

I have a strange setup. I have drawn a pretty crude diagram so it may be easier to explain. Usually, all the new servers we add just go into the HPC cluster and we assign an IP address through our ...
0
votes
1answer
56 views

How to disconnect and reconnect PPPoE on a UBNT airMAX device?

Using a Telnet or SSH connection to my Ubiquiti PowerBeam device, I'd like to disable and enable the PPPoE connection on demand, so I can save internet bandwidth when I am not using it. (Prevent ...
0
votes
1answer
51 views

Configure ethernet interface to accept unidirectional ethernet

With switches you can configure an ethernet port to be unidirectional. This gives you the ability to double your traffic capabilities. Can I configure my ethernet interface on a unix system to read ...
0
votes
1answer
190 views

Ubuntu 15.10 server - nameserver config broken after reboot

After a reboot, I can't resolve any hostnames anymore. Well, the Ubuntu system, is running within an VMWare server, it shouldn't matter. The config under /etc/network/interfaces contains: auto ...
0
votes
1answer
121 views

How to use multiple network interfaces?

I need to use multiple network interfaces in a C program with sockets. My interfaces are wlan0 and eth0. When I connect eth0, the ping through wlan0 returns "Host unreachable", and consequently the ...
0
votes
1answer
28 views

Virtual eth-adapter in networking-configuration

I have on my Debian en eth0-interface and I need the interface to listen to other IP's. I know I can create it with the following command ifconfig eth0:1 10.10.10.20/24 With this command everything ...
0
votes
1answer
1k views

How to delete loopback adaptor in Windows 7 using batch script?

I have created 10 loopback adaptors on Windows 7 using devcon devcon -r install %WINDIR%\Inf\Netloop.inf *MSLOOP I put this in for loop and every thing is ok but now I want to delete them using ...
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votes
1answer
20 views

Will the network interface change between different operating systems?

I am interested to know if the network interface name (eth0, eth1, ..) associated with each physical ethernet card will change depending on what OS you use. If it is constant how does it assign the ...
0
votes
1answer
356 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, ...
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0answers
132 views

Why do different users get different IP via the same interface

On the same server, on root, I am getting the correct internet ip of the interface root@server:~# curl -s --interface ppp0 ipcheck.com 111.111.111.111root@server:~# However... If it's not super ...
3
votes
0answers
705 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 ...
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
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/...
2
votes
0answers
443 views

Windows 7 gadget or app that shows stats on multiple network interfaces?

I am looking for a Windows 7 gadget or app that I can leave on my desktop/sidebar. While there are many gadgets that will display network interface info (such as current IP, gateway, etc), what I ...
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vote
0answers
22 views

What does “Current message level: 0x00000033 (51)” mean?

There is a similar question here What is the "Current message level"? Reference linked in the answer there doesn't mention this 0x00000033 (51) value. Here is the complete output of ...
1
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0answers
12 views

lsof: restrict to sockets available via loopback

I can restrict the selection to sockets listening only on the loopback interface: $ lsof -p "$(pgrep -d, proga)" -i4TCP@127.0.0.1 -sTCP:LISTEN -P -n -a COMMAND PID USER FD TYPE DEVICE SIZE/OFF ...
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vote
0answers
62 views

Ubuntu Network Interfaces Configuration: 2 Network Cards

Sorry for broad and ambiguous title. The case is: I have 2 Network Cards, eth0 and eth1. OS: Ubuntu: 14.04. eth0 is configured with static address: 10.1.1.1 and provides WIFI, DHCP and DNS services ...
1
vote
0answers
80 views

How to find the IP address of the interface connected to the Internet on a Cisco device?

I have to subnet the Class B network of 128.0.0.0. I have already done the subnetting, but when writing out the interface IP addresses, I have no idea what that is for the router's interface ...
1
vote
0answers
216 views

Setting up a tap interface on linux

I'm using Scapy to learn how to craft packets however I seem to be getting some interference from the kernel when trying to do some specific operations. I have been given some advice to use a tap ...
1
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0answers
547 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
676 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
votes
0answers
12 views

Cannot connect to machine on local, statically configured network

I'm trying to set up a second NIC on my desktop to be able to ssh into another local machine running ubuntu (I don't want that machine to be on the other network). My second NIC and my ubuntu machine ...
0
votes
0answers
30 views

Use both WiFi and Lan to speed up the download

In my office we have WiFi and RJ45 LAN connection to my laptop. Both works well individually. We do not use DHCP and hence I have configured two different static IPs for these interfaces. While I ...
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0answers
43 views

Windows doesn't set interface metric properly

When I try to set an interface metric on a specific NIC , it doesn't work. When I check with netstat -rn they are completely different than ones I set. I tried enabling and disabling adapters but it ...
0
votes
0answers
18 views

How to create alias interface in windows

How to create an alias interface which has a static ip co-existing with the regular broadband connection. The thing is I want to be in two network at same time. I have done this in Linux, but I don't ...
0
votes
0answers
12 views

Is proxy traffic monitored by loopback device?

I understand loopback device acts like a mirror interface to my localhost. When I do ifconfig on my Ubuntu machine, I get this lo Link encap:Local Loopback inet addr:127.0.0.1 ...
0
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0answers
236 views

Network device naming problems and aliases for p2p1 and p3p1 back to eth0 and eth1

I'm having a heck of a time getting the networking stack up and running on a Ubuntu Server 14.04.3 installation. (Its personal for the house and I'm not a SA, so I can't ask on SF because its a ...
0
votes
0answers
76 views

How to create new localhost interface in Windows?

In *unix you can write: sudo ifconfig lo0 127.0.2.1 up But how to do this command line in Windows?
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0answers
46 views

Setting up a preferred network interface in linux

I need to set up the network interfaces of a linux box running Ubuntu Server. The box will be deployed in an industrial vehicle and will operate headless (i.e. no monitor, no keyboard/mouse). The ...
0
votes
0answers
610 views

Wireless_tools- iwconfig wlp5s5 no wireless extension

I have installed Wireless tools, GNUtls, Openssl, WpaSupplicant, Wget also, but I do not know if I need some library. iwconfig and the others wireless tools do not recognize wireless interface. I ...
0
votes
0answers
105 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
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 ...