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4votes
1answer
3kviews

Interface groups

I started to study Linux networking system (especially Ubuntu) lately. I got interface info by command ip a like this: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group ...
t yoshi's user avatar
1vote
0answers
99views

How can I switch dinamically the output interface in a router depending on input interface?

I have an Ubuntu 18.04 acting as router with 3 interfaces. Two of them end up in the same device (they are used as dual path since depending on the situation one of the paths can be down or viceversa)....
Bicuit_Chain's user avatar
11votes
1answer
6kviews

What does "if1@if2" mean in interface name in output of "ip address" command on Ubuntu

What does at sign (@) mean in interface name in output of "ip address" command (or the "ip link" command) on Ubuntu, for example interface name "eth0@if44" in the following output: root@aafa1fc24a0b:/...
Bruno Rijsman's user avatar
0votes
2answers
173views

Ubuntu 15.10 Networking Problems

I recently deployed a VM with Ubuntu 15.10 and I am having trouble configuring the network properly. Note: When the OS was installed, it picked up an IP (from DHCP I guess), because it didn't ask me ...
Web4Fun's user avatar
4votes
1answer
9kviews

Ubuntu 14.04 server: Change em1 to eth0 - no /etc/udev/rules.d/70-persistent-net.rules file

I am trying to rename one of my network interfaces from em1 to eth0. I do not have /etc/udev/rules.d/70-persistent-net.rules. I have tried to regenerate this file by running these commands: udevadm ...
lchristina26's user avatar

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