Network gurus - question on Bridged networking


jimbo45

jimbo45

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Hi folks
Is it possible for a single machine whether virtual or real to be able to have 2 network bridges up and active at the same time with different ip addresses.The relevant machine only has one physical NIC but presumably as a VM that shouldn't matter either.

Cheers
jimbo
 

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I think it's not possible for software bridge because physical NIC when bridged is associated with a bridge so it shouldn't be possible to bridge it again.
Not sure about multiple hardware based bridges.
 

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jimbo45 said:
Hi folks
Is it possible for a single machine whether virtual or real to be able to have 2 network bridges up and active at the same time with different ip addresses.The relevant machine only has one physical NIC but presumably as a VM that shouldn't matter either.

Cheers
jimbo
Click to expand...
Yes. My laptop has internal wifi connected to my main ssid. Another usb wifi external dongle connected to guest wifi ssid. I use that dongle to bridge my virtual machines, so that my internal wifi card is always free for me. Thanks.

-Gamma
 

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GammaP said:
Yes. My laptop has internal wifi connected to my main ssid. Another usb wifi external dongle connected to guest wifi ssid. I use that dongle to bridge my virtual machines, so that my internal wifi card is always free for me. Thanks.

-Gamma
Click to expand...
I´ve done that now on a laptop which has an internal wifi card and a USB LAN type connector - works a treat.

On a NAS I use there´s 2 physical NIC´s (LAN) so not a problem. I have set up 2 wifi ssid's one for guests.

cheers
jimbo
 

My Computer My Computer

At a glance

Windows XP,11 Linux Fedora Rawhide pre-releas...2 X Intel i7
OS
Windows XP,11 Linux Fedora Rawhide pre-release 46
Computer type
PC/Desktop
CPU
2 X Intel i7
Screen Resolution
4KUHD X 2
jimbo45 said:
I´ve done that now on a laptop which has an internal wifi card and a USB LAN type connector - works a treat.

On a NAS I use there´s 2 physical NIC´s (LAN) so not a problem. I have set up 2 wifi ssid's one for guests.

cheers
jimbo
Click to expand...
Did I miss your point that the machine has only 1 physical NIC? In that case this page might be useful : Multiple IP Addresses on a NIC - ShowCockpit Academy

Thanks! :-)

-Gamma
 

My Computer My Computer

At a glance

Win11core i5 12450H16 GB LPDDR5none
OS
Win11
Computer type
Laptop
Manufacturer/Model
Lenovo Ideapad Slim 3
CPU
core i5 12450H
Motherboard
LNVNB161216
Memory
16 GB LPDDR5
Graphics Card(s)
none
Sound Card
none
Monitor(s) Displays
InBuilt
Screen Resolution
1920 x 1080 x 60 hertz
Hard Drives
Micron SSD 512 GB
PSU
InBuilt
Case
InBuilt
Cooling
Fan ( InBuilt )
Keyboard
InBuilt
Mouse
USB Wired Optical
Internet Speed
Not much but sufficient
Browser
ff ( latest )
Antivirus
Windows Defender
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