dhcpserver and dhcperf on same machine - still not working
Rajitha Chinnapu
rajithachinnapu at yahoo.com
Wed Aug 11 21:16:27 UTC 2010
Hi,
I installed dhcperf on red hat linux. Here is what i see when i run dhcperf.
/usr/local/nom/bin$ sudo ./dhcperf --server opah --one-discover
Sending DHCPDISCOVER.
No response after 4 seconds: failed to acquire address.
/usr/local/nom/bin$
====================================================================
/usr/local/nom/bin$ sudo ./dhcperf --server opah --discover --clients 20
--retain-leases
Beginning DHCPDISCOVER load test.
Initial probe complete: High-water mark is 1 clients/second.
0 four-way handshakes per second.
/usr/local/nom/bin$
And then, to account for the drawback in the following post in the groups, i
installed dhcperf on the same machine that has the dhcp server. but still, it
gives the same problem. That means, something else is wrong here. any help is
appreciated.
======================================================================================
dhcperf works really well. It allows you to test DHCPDISCOVER tps as
well as RENEW tps. It starts with 30 clients/sec and then keep working
its way up. The one downfall is that it is extremely picky about when
it needs to receive a response from the server. I believe it needs to
receive a response within .1 seconds, if it doesn't it considers that a
failure. This is not a real world test by any means, as clients will
retransmit their requests. dhcperf does not take this into account.
======================================================================================
thanks,
rajitha.
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