Questions tagged [ifconfig]
a command from Linux POSIX operating system able to give information about the IP network.
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What are ifconfig.me/forwarded IP addreses?
When I use the ifconfig.me service, by running the following command:
$> curl ifconfig.me/forwarded
I returns a list of IP addresses. does anyone know what this IP addresses are. I am behind a ...
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Linux: Any distro-independent way to change and persist IP settings?
Are there any distribution-independent mechanisms for tasks like assigning static IP addresses, adding or deleting routes, etc and, then, also be able to persist the changes so made?
AFAIK, each ...
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How to set NIC in promiscuous mode on mac book air?
With MacOSx, I am trying to run my nic in promiscuous mode and then use tshark / tcpdump to capture traffic.
Option 1:
ifconfig en0 promisc
but I get this message:
ifconfig: promisc: bad value
...
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curl ifconfig.me and ifconfig showing different results
If I run curl ifconfig.me I get one IP and if I run ifconfig, I get other IP's. Why is it so ?
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How to run 'ifconfig wlan0 down/up' with a comm user?
I need to run ifconfig wlan0 down and ifconfig wlan0 up with my common user.
How can I perform this?
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Change IP address permanently with ifconfig in Debian
I know there are several tutorials on how to manually change IP settings. However, I have yet to find a solution that fits my needs. I need to be able to script something that changes the IP address ...
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Configure the Ethernet Interface from the Command Line
I have connected to a Virtual Server with an SSH client using IP address: 172.xx.xx.154/22
I have been asked to configure eth1 to 172.xx.xx.155/24 with gateway IP Address of: 172.xx.xx.1
Any help ...
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ifconfig - who decided that MAC address should be lowercase?
On some Linux computers, ifconfig displays the MAC address ("HWaddr") hex digits in uppercase. On other Linux computers, the [a-f] digits are lowercase.
Why the difference? Are there two competing ...
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ip address seen in ifconfig in os x which is not present in network setting
I have a macbook and some while back I must have assigned it an ip address of 192.168.2.1 on the ethernet interface. The problem is that the ip is still seen even when I have removed it from the ...
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Network conf - ever time must set ifconfig
I need to autoconfigure network.
Network Manager is removed because I need lightweight system.
After system starts networks doesn't work.
#service networking status
networking stop/waiting
#service ...
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2 NICs conflicts on Windows 7 together
I have 2 NIC's on my computer. I have connected one with a GigE camera and the other to a switch which in turn connects it to a video server. If only one device (i.e., GigE camera or video server) is ...
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What causes a TX overrun, and how to troubleshoot?
On a Linux machine acting as a router I have a large number of TX 'overruns'.
The machine routes through a tunnel interface (which is where the overruns are occuring). What would cause these ...
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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 ...
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How does Mac OSX prioritize network interfaces when routing?
To give a concrete example, how does OSX choose which of these default entries from netstat -nr to route to?
Destination Gateway Flags Refs Use Netif Expire
0/1 ...
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ifconfig won't let me set MAC address that doesn't begin with 00:26
I have an Intel 1000 BGN Wi-Fi card and I tried to set its MAC address to 00:00:de:ad:be:ef, but this didn't work:
[root@localhost .]# ifconfig wlan0 hw ether 00:00:de:ad:be:ef
SIOCSIFHWADDR: Cannot ...
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Script to join WPA2 Enterprise wifi
When I head to work with my MBP running OSX 10.7, I have to go through this series:
Join Other Network
Enter SSID
select Security = WPA2 Enterprise
generate a pw via my RSA soft token
Join
...
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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.
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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/...
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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 ...
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How to remove redundant inet from ifconfig in Mac OS
Lately I have assigned the en3 interface (which is in reality a USB-Ethernet converter device) the IP address of 192.168.2.1
I did this for Internet Sharing, i.e. to share the Ethernet (en0) with USB-...
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What cross-platform command-line tool allows me to get my external IP address?
How do I get my external IP address from the Windows and Linux command line?
On Windows, ipconfig shows an internal network IP address, but it does not show the external one.
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ifconfig fails to install route if interface ip is existing broadcast address
Consider the following setup:
X@Y:~$ sudo ip link add link eth0 name eth0.3 type vlan id 3
X@Y:~$ sudo ip link add link eth0 name eth0.2 type vlan id 2
X@Y:~$ sudo ifconfig eth0.2 192.168.2.1/30
X@Y:~...
user91257
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why do I get a different MAC address using arp and ifconfig?
# ifconfig
eth1 Link encap:Ethernet HWaddr 00:1e:8c:10:xx:xx
# arp
Address HWtype HWaddress Flags Mask Iface
192.xxx.x.x ether 38:72:c0:cc:...
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1
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How can i set my vm to have exclusive access to my ethernet port in mac os x lion?
I have a vmware of windows 7 on osx lion. I am on a corporate network that assigns IPs via DHCP through ethernet, and i also have an airport card thats connected to a 4g hotspot.
This corporate ...
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how to force an illegal netmask in ubuntu
I want to force a netmask on my Ubuntu machine.
For example, I want 11.0.0.1 to get a netmask of 255.255.255.0
I tried editing /etc/network/interfaces and I forced the desired netmask, but as soon as ...
user1064232
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What does eth0:cp1 refer to in ifconfig on CentOS?
I have a basic ubuntu background and am not familiar with the output of an ifconfig on a CentOS server I'm looking at, can someone explain the eth0:cp1, and eth0:cp2 entries here?
How are they ...
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What does the field `Memory` mean in `ifconfig`?
I find a field Memory in the result of ifconfig command. I am not quite clear about its meaning. By googling, I get some hint from unSpawn's post on this thread that Memory indicate what memory ...
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Configure IP v6 on Linux machine
I use this command to assign a site-scope IP address:
$ sudo ifconfig eth0 inet6 add fee3::216:cbff:fe94:1a86/64
$
Check it with ifconfig:
$ ifconfig
...
eth0 Link encap:Ethernet HWaddr 00:16:...
user83293
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How to set txqueuelen on Mac OS X
How can I set the transmit queue length for a network interface on Mac OSX? On linux the command would be
ifconfig en0 txqueuelen 5
but OSX doesn't recognize txqueuelen as a valid option. Where ...
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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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How to restore MAC address in Linux?
I have changed my MAC address in my Linux machine using ifconfig. Now the problem is I have not saved my original MAC address. I want to restore it without rebooting.
Is there a way to do it?
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why does my time warner cable modem connection enter dead period states every 20 mins?
My wifi connection (from my MacBook running Snow Leopard) to a Time Warrner cabel model and router has a recurring connection problem. Every 20 minutes or so it will enter a "dead state" where no ...
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How can I remove a network interface from being listed in Linux?
A software I use gets confused if there is irda0 (or some other uncommon device) in the ifconfig -a output.
What is the easiest way of preventing that device from getting listed?
I'm looking for an ...
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Assigning static IP address to Debian machine?
I don't know how to use a static IP address on a Debian machine. Can anyone help?
I have the static IP address 83.222.248.100.
This is what I've tried:
$ cp /etc/network/interfaces /etc/network/...
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Can someone please explain ifconfig output in Mac OS X?
When I do ifconfig on my Mac, I get a list of the following interfaces:
lo0
gif0
stf0
en0
fw0
en1
vmnet8
vmnet1
I wonder what each interface is. Also, which of these is the IP interface ? I don't ...
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ip versus ifconfig
After reading this answer, I began my quest for the difference between ip and ifconfig for *nix systems. I soon learned that ip had "more" features than ifconfig, but what's the real difference? Is ...
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How do you change your Airport or Ethernet MAC address in Mac OS X 10.6?
I have a MacBook Pro and would like to set a custom MAC address for either my Airport WiFi card, or Ethernet port. In older versions of Mac OS X, you could do it like this:
$ sudo ifconfig en0 ether ...
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What layer does ifconfig operate at?
What layer does ifconfig operate at when setting a MTU. Does it set the MTU for the physical device (Network Interface Layer) or the MTU of the packet (Internet Layer)?
By executing
ifconfig eth0 ...
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why does "ipconfig getifaddr ppp0" fail?
I am trying to find my IP on VPN (PPTP) so I tried "ipconfig getifaddr ppp0" but it gave me "get if addr ppp0 failed, (os/kern) failure." Why does it fail and what should I do instead? ifconfig shows ...
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How to see network traffic per interface in FreeBSD?
want to see an amount of traffic passed through interface since boot. It's an ISPManager VDS with FreeBSD 8.0, and
ifconfig -L epair521b -B
does nothing.
Want to have output like Linux's ifconfig:
...
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Is `ip` to supersede `ifconfig`
A friend of mine said that ip is supposed to be the successor of ifconfig and iwconfig — yet I found no Wikipedia article about it and have never seen anyone mention or recommend it online even though ...
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Delete eth0 avahi from the ifconfig list
Hello this is the response I get from ifconfig. Now I have two eth0 things being showed up. I need to delete the second one which says eth0:avahi. I posted my ifconfig's response on a site as I has ...
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ifconfig return "unknown interface: no such device"
I'm trying to install a Linux driver for my wireless network card (D-Link DWL-G510) on my Red Hat Linux 7.1 machine with a 2.4.37.9 kernel. I downloaded the serial monkey driver from the sourceforge ...
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Spoof MAC address from IP command
I'm trying to spoof my MAC address on a modified version of Linux (Android). The main problem is that because it has been stripped down, the ifconfig command has been taken out, and I only can use the ...
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Network configuration
This is my situation:
Router A: IP 192.168.1.1 Mask 192.168.1.0/24 - Connected to the internet.
Server: - Interface eth0: inet addr:10.1.1.125 Mask:255.255.255.0 (connected to router B) - Interface ...
Dario
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Slackware cannot reconnect to local network
Hi guys this problem is frustrating me.
After trying a lot of things to setup my wireless card, I decide to test it by shutting down LAN interface ifconfig eth0 down. Then, when I turn the LAN ...
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How to detect VPN disconnection with vpnc?
What is the easiest way to detect that a vpnc connection on Linux/Ubuntu has disconnected?
Manually, I think the way to detect is to check whether the interface (tun0) appears in /sbin/ifconfig ...
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