Jeff, With the growth of HotSpot 2.0 and Wi-Fi offloading (offloading LTE traffic and Voice to Wi-Fi), it will become more important in coming years to have roaming across campus.
You might want to consider these facts in your future design. Best, Philippe Philippe Hanset www.eduroam.us www.anyroam.net > On May 5, 2015, at 12:22 PM, Jim Glassford <[email protected]> wrote: > > Hi Jeff, > > You know your layout and usage patterns best but for mobile users, my two > cents would avoid vlans by location. Just to much movement: mobile devices > moving between living areas, Libraries, dining halls, auditoriums, stadiums, > academic areas, etc. High numbers in one area, then off to another! :-) > > We have twelve /21 dhcp pools with one hour lease, mapped to main SSID, not > currently using NAT. > Roaming overall works well, did see improvement when enabled 802.1k, > noticeable less churn on the dhcp pools. > > best! > jim > > On 5/5/2015 11:19 AM, Legge, Jeffry wrote: >> Currently we allow roaming over our entire campus. Some buildings have their >> own vlan while others do not. Each year we have more devices and thus our >> DHCP pools are stressed. We are looking at changing our network design and >> giving each building their own vlan and larger DHCP pools. We currently have >> a class B IPV4 internet addresses and will move to NAT. When students are >> abusing copyright etc. we are given an IP address and asked to determine who >> is doing the abusing. As students roam they could end up with multiple IP >> addresses and Natting will complicate the ability to find these abusers I >> am curious about the following. >> >> Do y’all have one vlan per building? >> >> How large are you DHCP pools? >> >> What is the pool expiration time? >> >> Do you allow roaming over entire campus, per building or what? >> >> How do y’all find these abusers? >> >> Any thoughts will be appreciated. >> >> -Jeff Legge >> Radford University >> 540-250-5224 >> >> >> ********** Participation and subscription information for this EDUCAUSE >> Constituent Group discussion list can be found at >> http://www.educause.edu/groups/ <http://www.educause.edu/groups/>. >> > > ********** Participation and subscription information for this EDUCAUSE > Constituent Group discussion list can be found at > http://www.educause.edu/groups/ <http://www.educause.edu/groups/>. > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
