[65029] in North American Network Operators' Group

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RE: This may be stupid but..

daemon@ATHENA.MIT.EDU (Wayne Gustavus (nanog))
Mon Nov 10 11:04:36 2003

From: "Wayne Gustavus (nanog)" <nanog@wgustavus.com>
To: <nanog@merit.edu>
Date: Mon, 10 Nov 2003 11:05:12 -0500
In-Reply-To: <OF524D93A8.4F3CC803-ON80256DDA.003AF11C-80256DDA.003CB93F@radianz.com>
Errors-To: owner-nanog-outgoing@merit.edu



> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu] On=20
> Behalf Of Michael.Dillon@radianz.com
> Sent: Monday, November 10, 2003 6:03 AM
> To: nanog@merit.edu
> Subject: Re: This may be stupid but..
>=20
>=20
>=20
<snip>

> When I interview, I start out by asking one or two key=20
> questions that help me quickly get to the truth. For instance=20
> at one company, when I has hiring NOC folks, I started by=20
> asking them to explain traceroute=20
> to me. The answer that I wanted was one which showed that they had=20
> a detailed understanding of what was going on at the protocol=20
> level as the packets flowed through the network because that=20
> view of the network is needed to effectively troubleshoot=20
> problems. It did lead to one awkward situation with a 16=20
> year-old who immediately started talking about ICMP echos=20
> with varying TTL and routers sending back ICMP echo-replies.=20
> I wanted to end the interview and hire him on the spot but it=20
> seemed unfair to give this young guy the idea that job=20
> interviews are that short.

Especially since not all traceroutes use ICMP and the reply from the =
routers
is typically NOT ICMP echo-reply. :-)


<snip>

>=20
> --Michael Dillon
>=20


-Wayne Gustavus


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