Hello,
I'm curious to see what process/algorithm others use when determining DHCP
lease times for your Wi-Fi networks. Assuming plenty of IP addresses, what
DHCP lease time is ideal to assign to clients in a WLAN with 90,000 unique
clients/day, where avg. user spends 3hrs connected , but
What do you guys use for DHCP lease times on your wireless networks (external
DHCP server)?
We have an issue were our DHCP server (Cisco) reports subnets almost full,
however, the Aruba Controller shows plenty IPs available. I think the issue
might be related with devices getting on the network
17
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: [WIRELESS-LAN] DHCP Lease Times
Hello,
I'm curious to see what process/algorithm others use when determining DHCP
lease times for your Wi-Fi networks. Assuming plenty of IP addresses, what
DHCP lease time is ideal to assign to clients in a WLAN with 90
f Cisco, I think there was a Prime option for this data too
-Original Message-
From: The EDUCAUSE Wireless Issues Constituent Group Listserv
On Behalf Of Curtis K. Larsen
Sent: Monday, May 7, 2018 7:17 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: [WIRELESS-LAN] DHCP Lease Times
H
2018 6:52 AM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] DHCP Lease Times
If you have Airwave one of the may "dials" is how long is your average
connection.
Mine is 28 minutes.
I set my lease time for WiFi for 1 hour. I have a /19, which might be overkill,
but
sues Constituent Group Listserv
[mailto:wireless-...@listserv.educause.edu] On Behalf Of Marcelo Lew
Sent: Monday, September 13, 2010 5:47 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: [WIRELESS-LAN] DHCP lease times?
What do you guys use for DHCP lease times on your wireless networks (external
DHCP
-...@listserv.educause.edu] On Behalf Of Marcelo Lew
Sent: Monday, September 13, 2010 17:47
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: [WIRELESS-LAN] DHCP lease times?
What do you guys use for DHCP lease times on your wireless networks (external
DHCP server)?
We have an issue were our DHCP
What are you guys doing for DHCP lease times on your wireless networks? We
have 30m with 15m renewals, but still running low on IPs. We have a large
subnet pool of /24 subnets, but I think the walk and drive by users are the
ones depleting the pools during the day. I am also seeing quite a
n for this data too
-Original Message-
From: The EDUCAUSE Wireless Issues Constituent Group Listserv
On Behalf Of Curtis K. Larsen
Sent: Monday, May 7, 2018 7:17 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: [WIRELESS-LAN] DHCP Lease Times
Hello,
I'm curious to see wh
of Lawson Cassels
Sent: Tuesday, May 8, 2018 8:58 AM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] DHCP Lease Times
We have a wireless system that sees roughly 30K unique clients pass
through each day. Our address space is set up as a single large /17, as
the Aruba
EDUCAUSE Wireless Issues Constituent Group Listserv
Date: Mon, 13 Sep 2010 15:47:16
To:
Reply-to: The EDUCAUSE Wireless Issues Constituent Group Listserv
Subject: [WIRELESS-LAN] DHCP lease times?
What do you guys use for DHCP lease times on your wireless networks (external
DHCP server)?
W
Indiana University is using 20 minute lease times very successfully.
-Jason
On Sep 13, 2010, at 5:47 PM, Marcelo Lew wrote:
> What do you guys use for DHCP lease times on your wireless networks (external
> DHCP server)?
> We have an issue were our DHCP server (Cisco) reports subne
holland@osu.edu
On Sep 13, 2010, at 5:47 PM, Marcelo Lew wrote:
> What do you guys use for DHCP lease times on your wireless networks (external
> DHCP server)?
> We have an issue were our DHCP server (Cisco) reports subnets almost full,
> however, the Aruba Controller show
holland@osu.edu <mailto:holland@osu.edu>
On Sep 13, 2010, at 5:47 PM, Marcelo Lew wrote:
What do you guys use for DHCP lease times on your wireless networks
(external DHCP server)?
We have an issue were our DHCP server (Cisco) reports subnets almost
full, however, the Aruba Cont
Subject: [WIRELESS-LAN] DHCP lease times?
What do you guys use for DHCP lease times on your wireless networks
(external DHCP server)?
We have an issue were our DHCP server (Cisco) reports subnets almost
full, however, the Aruba Controller shows plenty IPs available. I think
the issue might be
30 minutes at Washburn as well. We had the same issue as what you
described. No issues with the shorter lease time since we changed it 3
years ago.
Heath
On 9/13/2010 4:47 PM, Marcelo Lew wrote:
What do you guys use for DHCP lease times on your wireless networks
(external DHCP server)?
We
: [WIRELESS-LAN] DHCP lease times?
30 minutes at Washburn as well. We had the same issue as what you
described. No issues with the shorter lease time since we changed it 3
years ago.
Heath
On 9/13/2010 4:47 PM, Marcelo Lew wrote:
What do you guys use for DHCP lease times on your wirele
http://www.hw.ac.uk/it
From: The EDUCAUSE Wireless Issues Constituent Group Listserv
[mailto:wireless-...@listserv.educause.edu] On Behalf Of heath.barnhart
Sent: 14 September 2010 16:01
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] DHCP lease times?
30 minutes at Washb
-...@listserv.educause.edu] On Behalf Of Methven, Peter J
Sent: Tuesday, September 14, 2010 9:14 AM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] DHCP lease times?
We run on half an hour lease times at Heriot-Watt University, Edinburgh as
well. I had the lease time set to 15
If you have unlimited address space such as with NAT you might be ok.
Wireless users tend to be a transient bunch.
We found that every time a local-loop bus goes by an outdoor AP about a
dozen devices associate and grab an IP address from our open (cp) SSID.
We also see a lot of devices turn o
Depends on how big the subnet is. I'd still keep it small just to keep
the leases open. Probably around 4 hours. That should give you a good
balance of lease time versus load on the dhcp server. If the subnet was
for a specific location were the user pool was going to be static in
size and con
;>
>> From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:
>> wireless-...@listserv.educause.edu] On Behalf Of heath.barnhart
>> Sent: 14 September 2010 16:01
>> To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
>> Subject: Re: [WIRELESS-LAN] DHCP lease times?
On 9/14/10 11:32 AM, James F Eyrich wrote:
> Has any one looked at running significantly longer lease times?
>
> We are looking at the possibility of NATing our wireless service, moving
> to large private IP subnets for the clients and not needing to recycle
> addresses so often. We have discussed
ty
614-292-9906 holland@osu.edu
On Feb 16, 2011, at 5:12 PM, Marcelo Lew wrote:
> What are you guys doing for DHCP lease times on your wireless networks? We
> have 30m with 15m renewals, but still running low on IPs. We have a large
> subnet pool of /24 subnets, but I think t
reless Issues Constituent Group Listserv
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Ryan Holland
Sent: Wednesday, February 16, 2011 7:56 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] wireless LAN DHCP lease times?
Marcelo,
We are, too. We have /24s for our vlan p
Wondering if anyone has gone down this road before-
We have pockets where, say 2000 busy WLAN users may be on like 60 APs in a
given building, largely still and non-roaming, with 1 hour DHCP leases. If we
shrank the lease time to 30 minutes, so that every 15 minutes we have DHCP
renewals in the
edu>
Sent: 03/12/2013 20:52
To:
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: [WIRELESS-LAN] Looking for input- Short DHCP lease times on Cisco WLC
Wondering if anyone has gone down this road before-
We have pockets where, say 2000 busy WLAN use
UCAUSE.EDU
> Subject: [WIRELESS-LAN] Looking for input- Short DHCP lease times on
> Cisco WLC
>
> Wondering if anyone has gone down this road before-
> We have pockets where, say 2000 busy WLAN users may be on like 60 APs in a
> given building, largely still and non-roaming
We run 15-minute leases in a Cisco environment with 20k concurrent
clients. So far it hasn't been a problem for us. The DHCP servers (two
pairs of ISC dhcp servers) are handling the load just fine (along with
tens of thousands of other leases for wired networks throughout our
campuses). O
Short DHCP lease times on Cisco
WLC
We run 15-minute leases in a Cisco environment with 20k concurrent clients. So
far it hasn't been a problem for us. The DHCP servers (two pairs of ISC dhcp
servers) are handling the load just fine (along with tens of thousands of other
leases for wire
EDUCAUSE Wireless Issues Constituent Group Listserv
[mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Coehoorn, Joel
Sent: Tuesday, December 03, 2013 4:05 PM
To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU
Subject: Re: [WIRELESS-LAN] Looking for input- Short DHCP lease times on Cisco
WLC
Remember
: Coehoorn, Joel<mailto:jcoeho...@york.edu>
Sent: 03/12/2013 21:05
To:
WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU>
Subject: Re: [WIRELESS-LAN] Looking for input- Short DHCP lease times on Cisco
WLC
Remember that the client will ask to renew the
Wireless Issues Constituent Group Listserv Date: 12/03/2013 02:19PMSubject: Re: [WIRELESS-LAN] Looking for input- Short DHCP lease times on Cisco WLC
Oh, we know, we know. However, a 2 packet exchange, request and ack is a drop in the ocean bandwidth wise, compared with all their mail sync, googl
We started at 1 hour leases as well and were exhausting our DHCP pools
(stale leases - client gone, but lease not expired). We dropped them to
30 minutes, which helped a bit. We further dropped them to 15 minutes,
and that didn't make much of a difference compared to 30 minute leases.
We've set
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