nanog mailing list archives

Re: Link Layer Filtering not supported on popular equipment?


From: Mark Tinka <mark.tinka () seacom mu>
Date: Thu, 27 Mar 2014 22:39:02 +0200

On Thursday, March 27, 2014 06:42:12 PM Michael Loftis 
wrote:

Similar issues with ACLs.  There are some options in
Cisco (not certain if any of dell's products have this)
that basically keep ports from talking to eachother, but
allow them to talk to the upstream port (usually a
router that can then enforce deeper ACLs and such).

Those would be private VLAN's in classic solutions, and 
split horizon bridge domains on carrier Ethernet platforms.

I find the latter simpler and more elegant, but limited to 
specific hardware.

Mark.

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