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List:       illumos-developer
Subject:    Re: [developer] 9093 want basic utility for Ethernet level pong
From:       Yuri Pankov <yuripv () yuripv ! net>
Date:       2018-07-19 22:21:49
Message-ID: fa55503e-a059-8191-da9b-3489f1b35263 () yuripv ! net
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Robert Mustacchi wrote:
> On 2/10/18 13:18 , Yuri Pankov wrote:
>> Robert Mustacchi wrote:
>>> https://us-east.manta.joyent.com/rmustacc/public/webrevs/9093/index.html
>>>
>>> This adds a one-way 'pong' (half a ping), that is useful when you are
>>> skeptical that switches are behaving correctly at an Ethernet level,
>>> especially when there are gotchas with ARP and co. We've used this a
>>> handful of times and found it useful to ship/install. Because it's
>>> pretty different and simple (and one-way), it's not part of the
>>> traditional ping utility (and I'm not sure it makes sense to). See
>>> examples in the ticket.
>>
>> Looks useful.   One suggestion though - could we use warnx(3C) instead of
>> rolling out dlrecv_warn() and dlsend_warn()?
> 
> I had a chance to get back to this (it was accidentally forgotten), and
> made the change. Thanks for the suggestion.

Ship it.

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