slow dhcp on 1G backbone.

[Glen R. J. Neff]

What kind of switch?  How are the ports configured?

I know some Cisco switches will default to having trunking and
channeling turned to auto by default, and having portfast turned off.
Any of these can hinder DHCP's function.

-G


On Thu, 2009-07-23 at 19:25 -0400, Brad Dameron wrote:
> You sure you don't have a duplex mismatch or something? I have all my
> DHCP servers on gig and don't see any issues. This would seem more
> like a network issue than a application issue. Your not using Windows
> for the OS are you?
>  
> Brad
> 
> 
> ______________________________________________________________________
> From: dhcp-users-bounces at lists.isc.org on behalf of Dean Montgomery
> Sent: Thu 7/23/2009 3:36 PM
> To: dhcp-users at lists.isc.org
> Subject: slow dhcp on 1G backbone.
> 
> 
> Problem: dhcp client requests are slower when our dhcp server is
> running on a Gig backbone with a gig switch.  Client workstations have
> 100 NICs.
> 
> If change the server NIC to 100 and the switch to 100 - dhcp requests
> are almost instant.  But we loose the benefit of having a gig
> backbone.  We need the gig backbone because we are running 200+
> diskless workstations.
> 
> 
> 
> --
> Dean Montgomery
> Network Support Tech./Programmer
> dmonty at sd73.bc.ca
> School District #73
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users
> 
> 
> 
-- 
/*
 * Glen R. J. Neff
 * RTP TSG Network Team
 * neff_glen at emc.com
 * 919-248-6145
 *
 * EMC^2 == E^2
 */