<div dir="ltr">Thanks for the tip Leandro. If I've got the right tool (from Nominum), unfortunately it doesn't work for my OS (Centos 7) and I can't find source.</div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><br>-Frank<br></div><div>--<br></div>Frank Price | R & D Services | <a href="mailto:fprice@lexmark.com" target="_blank">fprice@lexmark.com</a> | 859-232-2844 | <a href="https://lexmark.jiveon.com/groups/rds-group" target="_blank">RDS on Innovate</a><br></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Fri, Jul 17, 2015 at 9:27 AM, Leandro <span dir="ltr"><<a href="mailto:ingrogger@gmail.com" target="_blank">ingrogger@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
I know exactly how you feel.<br>
try dhcperf , its also a benchmark tool.<br>
Leandro.<div><div class="h5"><br>
<br>
<br>
<div>On 16/07/15 14:05, Frank Price wrote:<br>
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</div></div><blockquote type="cite"><div><div class="h5">
<div dir="ltr">Greetings dhcp-users,
<div><br>
</div>
<div>I've recently taken over a pair of ISC DHCP 4.2.5 servers,
and I'd like to know how you test your environment -- both for
troubleshooting and also for validating config changes. To
make things concrete, let me briefly explain our setup and
then what I'd like to be able to do.<br>
<div><br>
</div>
<div>We have about 70 subnets defined, with failover peers on
most of them between our two servers. Our network (cisco)
vlan config has ip helper-addresses which point to both
servers. Mostly we do interim-style ddns, although there
are some static host entries. </div>
<div><br>
</div>
<div>Usually everything works fine, until it doesn't, and
every few months we add a new subnet for a lab or
something. To troubleshoot, or double-check changes, I'd
like to be able to simulate a lease request from a client.
Right now what I do is a) run dhcpd -t against the changes,
and then b) stand up a vm on the new subnet and see what
happens. It would be much nicer to simply say "pretend you
get a request from this MAC on this subnet, and show me what
you'd do."</div>
<div><br>
</div>
<div>I've tried dhcping, and it seems to require me to run it
from a server already on the subnet in question -- not quite
what I want, but maybe I just don't understand it well. </div>
<div><br>
</div>
<div>Thanks for any advice you can provide,<br clear="all">
<div>
<div>
<div dir="ltr">
<div>
<div dir="ltr">
<div>
<div dir="ltr">
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<div dir="ltr">
<div><br>
-Frank<br>
</div>
<div>--<br>
</div>
Frank Price | R & D Services | Lexmark
International<br>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
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