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Groups > comp.os.linux.networking > #1211

Re: Is this a bridging scenario?

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Hello,

Aragorn a écrit :
> On Saturday 24 March 2012 23:55, Al conveyed the following to 
> comp.os.linux.networking...
> 
>> <IP CAM>-------WIRED------<<PC  <LAN CARD>+<WIFI CARD> >> ------- /
>> WIRELESS/ --------<ROUTER>---INET
>>
>> So in otherwords I have a IP Camera wired to a Linux PC which
>> wirelessly connects to a ADSL modem/router, that is the wired
>> inetfaces connects the camera to the PC, and the wireless interface
>> connects the PC to the router.
>>
>> I want the Camera to be able to connect to the Internet via the modem
>> router.
>>
>> Is this what is called a bridge?
> 
> No, what you are describing is routing.

It could be bridging too. If the OP requires that the camera gets its IP
configuration from the modem-router's DHCP server, then it will probably
be bridging, because routing requires two separate subnets while
bridging expands the LAN. Note that not all wireless NICs support
bridging. See
<http://www.linuxfoundation.org/collaborate/workgroups/networking/bridge#It_doesn.27t_work_with_my_Wireless_card.21>

> Bridging is when you have a 
> single NIC device acting like it is multiple virtual NICs, each with 
> their own IP address and/or MAC address.

Huh ? Bridging is when interfaces (not only NICs) are used as ports of a
software switch. Usually bridged interfaces do not have an IP address on
their own, it is transferred the bridge interface.

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Thread

Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-03-24 15:55 -0700
  Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-03-24 15:57 -0700
  Re: Is this a bridging scenario? Aragorn <stryder@telenet.be.invalid> - 2012-03-25 09:26 +0200
    Re: Is this a bridging scenario? Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-03-25 10:56 +0200
      Re: Is this a bridging scenario? Aragorn <stryder@telenet.be.invalid> - 2012-03-25 12:19 +0200
    Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-08 05:00 -0700
      Re: Is this a bridging scenario? Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-04-08 14:20 +0200
        Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-08 06:10 -0700
          Re: Is this a bridging scenario? Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-04-08 16:28 +0200
            Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-08 12:39 -0700
              Re: Is this a bridging scenario? Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-04-08 22:32 +0200
                Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-09 08:28 -0700
                Re: Is this a bridging scenario? Scott Hemphill <hemphill@hemphills.net> - 2012-04-09 12:41 -0400
                Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-09 11:52 -0700
                Re: Is this a bridging scenario? Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-04-09 21:09 +0200
                Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-10 01:56 -0700
                Re: Is this a bridging scenario? Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-04-10 20:30 +0200
                Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-10 16:30 -0700
                Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-10 19:23 -0700
                Re: Is this a bridging scenario? Al <bigal.nz@gmail.com> - 2012-04-10 22:54 -0700
                Re: Is this a bridging scenario? Pascal Hambourg <boite-a-spam@plouf.fr.eu.org> - 2012-04-11 09:33 +0200
                Re: Is this a bridging scenario? Scott Hemphill <hemphill@hemphills.net> - 2012-04-09 18:19 -0400

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