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Re: Question about VLANs in Mac OS X
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Re: Question about VLANs in Mac OS X


  • Subject: Re: Question about VLANs in Mac OS X
  • From: Allan Nathanson <email@hidden>
  • Date: Tue, 18 Mar 2008 08:12:19 -0400


On Mar 17, 2008, at 11:12 PM, Terry Simons wrote:

Hi Allan,

It looks like all of the options in <SystemConfiguration/ SCNetworkConfiguration.h> are 10.5 and later?

Were VLANs available in earlier verisons of Mac OS X? Are there more primitive interfaces that would work with older versions of Mac OS X?

It looks like the following IOCTL might work with lower level BSD interfaces:

sys/sockio.h:#define	SIOCGETVLAN	SIOCGIFVLAN

Is that true? Was this call available on earlier versions of Mac OS X?

VLAN support was added in 10.3. The BSD ioctl's were available from early on but the first set of "public" APIs to manage the "persistent" VLAN configuration wasn't introduced until 10.5.


- Allan

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References: 
 >Question about VLANs in Mac OS X (From: Terry Simons <email@hidden>)
 >Re: Question about VLANs in Mac OS X (From: Allan Nathanson <email@hidden>)
 >Re: Question about VLANs in Mac OS X (From: Terry Simons <email@hidden>)

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