[CentOS] Bridge network for virt-manager

Leroy Tennison

leroy at datavoiceint.com
Tue Jun 2 13:54:28 UTC 2020


I haven't done bridging on CentOS but, in the setups I've done, you need to associate a physical NIC such as eth0 with the bridge.

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From: CentOS <centos-bounces at centos.org> on behalf of Jerry Geis <jerry.geis at gmail.com>
Sent: Tuesday, June 2, 2020 5:38 AM
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Subject: [EXTERNAL] [CentOS] Bridge network for virt-manager

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Hello. I desire to get bridge network working using virt-manager.
Centos 7 and centos 7 guest.

>From researching I think I need to have a ifcfg-br0 file like this ?

cat ifcfg-br0
DEVICE=nm-bridge0
STP=no
TYPE=Bridge
BOOTPROTO=none
IPADDR=192.168.1.8
PREFIX=32
GATEWAY=192.168.1.1
IPV6INIT=no
NAME=br0
ONBOOT=yes
DELAY=0

Is that for sure needed ? The use that nm-bridge0 as the network name?

I dont want to mess up my current setup.
Thanks,

Jerry
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Leroy Tennison
Network Information/Cyber Security Specialist
E: leroy at datavoiceint.com


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