nanog mailing list archives

Re: Proxy ARP detection


From: Clay Fiske <clay () bloomcounty org>
Date: Wed, 15 Jan 2014 16:24:19 -0800


On Jan 15, 2014, at 4:03 PM, Niels Bakker <niels=nanog () bakker net> wrote:

* clay () bloomcounty org (Clay Fiske) [Thu 16 Jan 2014, 00:59 CET]:
This is where theory diverges nicely from practice. In some cases the offender broadcast his reply, and guess what 
else? A lot of routers listen to unsolicited ARP replies.

I've never seen this.  Please name vendor and product, if only so other subscribers to this list can avoid doing 
business with them.

This was some time ago, but the two I was able to dig up from that case were both Junipers. Perhaps it’s something that 
only happens when proxy ARP is enabled?


-c



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