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Wireless inteface configure as bridge

0 votes
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I m using centos 7 in laptop and kvm as virtualization to run windows guest VM. Currently I m using NAT as default setting for guest VM, my internet is fine but can't resolve some domains and sites.

So want to come on bridge.

As per my understanding bridge can not work while device is managed by NetworkManager.

Is there any utility or tool to use to scan wireless device in network and connect them as I want to stop to use Networkmanager to use laptop wireless interface as bridge for my guest VM.

posted Jul 28, 2014 by anonymous

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2 Answers

+1 vote

As per my understanding bridge can not work while device is managed by NetworkManager.

How did you come to this conclusion? Based on which reading?

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/

Is there any utility or tool to use to scan wireless device in network and connect them as i want to stop to use Networkmanager to use laptop wireless interface as bridge for my guest VM.

You cannot do what you want

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/ch-Configure_Network_Bridging.html

"Note that a bridge cannot be established over Wi-Fi networks operating in Ad-Hoc or Infrastructure modes. This is due to the IEEE 802.11 standard that specifies the use of 3-address frames in Wi-Fi for the efficient use of airtime."

answer Jul 28, 2014 by Deepti Singh
0 votes

According to the Red Hat RHEL7 Networking Guide you can't bridge wireless interfaces. IIRC there's a reason mentioned in that guide and here's another one:

https://superuser.com/questions/597834/bridging-wifi-to-ethernet-on-ubuntu-not-working

However there's a debian wiki entry that says it's possible using ebtables:

https://wiki.debian.org/BridgeNetworkConnections#Bridging_with_a_wireless_NIC

answer Jul 28, 2014 by Meenal Mishra
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+2 votes

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+1 vote

I encountered a problem when creating a VLAN interface according to the Red_Hat_Enterprise_Linux-7-Networking_Guide. I configured the parent interface ifcfg-eno1 as follows:

DEVICE=eno1
TYPE=Ethernet
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And I created a new file named ifcfg-eno1.5, the content is:

DEVICE=eno1.5
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