1
vote
1answer
181 views

how to configure static ipv6 and additional ipv6 with same vlan?

I'm having trouble with configuration static ipv6 address and additonal ipv6 on same interface(eth4). static ipv6 configuraiton issue firstly, I configure below vi /etc/network/interfaces auto ...
0
votes
1answer
74 views

DNS resolution lost when starting sub-interface

I am starting a sub-interface off of my existing eth0, and its supposed to be an instant thing, so I'm trying to avoid using a config file. When I issue: ifconfig eth0:1 192.168.0.2 up The ...
0
votes
1answer
2k views

Sub-interface already in use on another host - brand new interface

I created a sub-interface on a RHEL box, eth0:1, and copied the eth0 config and changed all the settings to reflect eth0:1 and the IP address. However, when I issue ifup eth0:1 I receive this error: ...
1
vote
0answers
124 views

Peer to peer ipsec tunnel - virtual network interface

I'm trying to create an IPSEC tunnel between two machines (not between two networks). Using ipsec-tools, TUNNEL mode. I think I can cope with all those add and spdadd, but how to create a virtual ...
0
votes
1answer
6k views

sudo ifconfig eth0 192.168.1.7 netmask 255.255.255.0 not permanent

I have two PC's and a series of Juniper EX-2200 switches connected to form a network.None of the devices are connected to any external network.If I do an ifconfig on the first PC (monitor) I see that ...
0
votes
1answer
1k views

Vagrant ifup eth1 failing (duplicate interface)

I am trying to build a vagrant box from a VirtualBox machine. When I give vagrant up, I get an error saying The following SSH command responded with a non-zero exit status. Vagrant assumes that this ...
0
votes
1answer
407 views

Linux ifcfg network script configuration for RedHat/Fedora/Centos

I've been a long time Linux user and would like to know where I can find the ifcfg network script documentation (interface configuration?) (not just some tutorial; I want official documentation)? I ...