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Multiple Cisco Air-AP1131G

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Last Modified: 2012-08-14
I have a doctors office that is installing 7 Cisco Access Points (1131G) throughout 2 buildings. The Doctors and Techs will be roaming the entire building with tablet PCs.  They will use the tablets to connect to their medical system using Citrix.  My question is how do you configure them so that the users do not loose connection when going from one zone to another in the same building?  I do not have any experience with Cisco Command line, so please help me with the configuration using the web interface if at all possible.
There is also a second building where they will loose connection while they walk to the second building.  Will they need to shut down their Citrix session while walking to the other building?  I know Citrix will not like it if their IP address changes.

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Commented:
What devices do you use to manage these APs?
Istvan KalmarHead of IT Security Division
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Top Expert 2010
Commented:
Hi,

If the APs useing same settings with same VLANs the roaming autoamtically working.... I think you need more coverage, did you made site survey?

Author

Commented:
Each device will be managed independently as far as I know.
Building 1 will have 3 access points, Building 2 will have 2 access points.  They have not told me where the other 2 will go.  With only 3 access points in a building I did not think it would be necessary to have a single place to manage them.  Am open for suggestions.

Author

Commented:
Building #1 with 3 access points is about 2400 SQFT semi open.
Building #2 with 2 access points is about 1200 SQFT very open.
I will do a site survey this week to check the coverage.  

IKalmar said "If the APs useing same settings with same VLANs the roaming autoamtically working"

Not being familar with the necessary settings. I have only seen screen shots of the interface.  What are the necessary settings for role in network and other settings that I may run into.
Commented:
I would assume that these APs are "autonomous" APs so they are functioning individually without the need of a WLC.  Having said that, roaming should work but please keep the following in mind:

1) All APs must have the same SSID

2) Avoid using non-overlapping channels 1, 5, 9 and 13 for the 802.11G/N network .  Please see the explanation of over-lapping channels http://en.wikipedia.org/wiki/File:NonOverlappingChannels2.4GHzWLAN-en.svg.

3) Make sure that you do a site survey to ensure that coverage is continuous throughout the building, especially in areas where you have to walk thru from one building into another building.
Istvan KalmarHead of IT Security Division
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Top Expert 2010

Commented:

Hi,

You not need any configuratuion for roaming... Don't forget if you not have CCX endpoints, and not have WLC you not able to configure looseless roaming, the roaming loose about 50-80 ms depending on your endpoints....

Author

Commented:
Very interesting.  I would not have started out giving them the same SSID.

Should the SSID be the same where they have to go outside and walk down the sidewalk 3 blocks into another building?  they will loose connection.  They are on the same physical network and VLAN as the buildings are connected with fiber.

They have remote offices that are totally separate from the main office.  I would assume a different SSID is OK here.

Is the Role for the radio setup as an "Access Point" for each access point?
Istvan KalmarHead of IT Security Division
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Top Expert 2010

Commented:
Please show us the ouput of the inssider: www.metageek.net

Commented:
If these wireless clients are within the same network, the SSID for all APs should be all the same.

If they walk outside, 3 blocks away from another building, they will lose connection if there are no APs between the two buildings.

If the remote offices that are located away from the main office, different SSID can be used.  However, if these wireless clients are using a DHCP server, I would leave the SSID the same so you literally don't have to change it when these wireless clients visit the remote site.  Also, I am making the assumption that the security and encryption type are being managed by you and they are set the same or change at the same time.

Author

Commented:
Ikalmar
I asked the people that supplied the equipment about the WLC and they said they never supply one for this small of an install.
I dont know what a CCX end point is, but it appears that I dont need to because we wont be using a WLC.
The settings I was needing is not only for "roaming"  but just basic setup as well.  Looking at some screen shots of the interface there are settings for the "Role in Radio Network: of Access Point, Root Bridge, Repeater, Workgroup Bridge,
Maybe I am making this harder than I should.  Can I just use the express setup and choose Access point as the Role give them same SSID and security settings and they should work?  
Glad you guys are here,  I hate this!

Author

Commented:
Getting Close!!!  THANK YOU!
setting them up all the same,  even the channel?
Istvan KalmarHead of IT Security Division
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Top Expert 2010

Commented:
Ok in this case you need to make site survey, to view the coverage holes......

for more informations about ccx:

http://www.cisco.com/web/partners/pr46/pr147/partners_pgm_concept_home.html

Is the suppliers made site survey or coverage plan?
Ernie BeekSenior infrastructure engineer
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Top Expert 2012
Commented:
If I might blend in for a moment :)

For the channels, best practice would be to use 1, 6 and 11 so there is no interference. For the rest, set them up exactly the same and you shouldn't have any issues (I know I don't :)

Author

Commented:
Thanks Guys.

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