nanog mailing list archives

Re: reliably detecting the presence of a bridge?


From: Matthew Kaufman <matthew () matthew at>
Date: Tue, 15 Dec 2015 10:46:51 -0400

Why do you care if there's a bridge? Seems you care about higher latency, packet loss, lower reliability, etc. Measure 
what matters and act on that, rather than trying to guess performance from link type.

Matthew Kaufman

(Sent from my iPhone)

On Dec 15, 2015, at 5:48 AM, Dave Taht <dave.taht () gmail com> wrote:

I am curious if there is some sort of igmp or other form of message
that would reliably detect if a switch had a bridge on it. How could
deviceA detect deviceC was a bridge in this case?

deviceA  -> ethernet switch -> deviceB
                   ethernet switch -> deviceC with bridged wifi and ethernet

question came up in the context of:

http://lists.alioth.debian.org/pipermail/babel-users/2015-December/002231.html

--
Dave Täht
Let's go make home routers and wifi faster! With better software!
https://www.gofundme.com/savewifi


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