We're actually running mobile IP on our Aruba controllers....and love
it....but that doesn't really affect the iphone users that connect and
update facebook then walk somewhere without coverage essentially
trahsing that IP for another 29 minutes. In our most populated stack
we have 10 /24's hence the hesitation to add more, but will likely
have to. We're going to try 15 minute leases to try and gain a bit
more utilization, along with adding another /24.
Thanks for the input everyone!
-Garrett
On Sep 30, 2009, at 2:15 PM, Jason Appah wrote:
Sounds like a great use case for ip mobility… what are you running
for wireless controllers?
From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:[email protected]
] On Behalf Of Garrett Harmon
Sent: Wednesday, September 30, 2009 11:09 AM
To: [email protected]
Subject: [WIRELESS-LAN] wireless DHCP lease time
We're running into some issues at the ramp up of a quarter with our
DHCP lease time attempting to utilize the /24's we currently pool
for our main essid. We moved from 1hr. to 30 minutes, but are still
running out of leases occasionally. For instance, we have 160 users
in a /24, but due to the transient nature of wireless/classes leases
that are used for a brief moment the cycle isn't quite efficient
enough.
What is everyone else using for wireless DHCP lease times? I know I
can just add another /24 to the pool, but the networks are not being
utilized enough. We want to try 15 minutes but are wondering if we
will start to run into issues related with that? Your input is
greatly appreciated!!
Garrett Harmon
Network Engineer
Office of Information Technology
The Ohio State University
614.292.2122 (o)
614.747.5539 (c)
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