Thursday, November 15, 2018

Cisco WLC 8.140 and AP groups

We currently have 5 BSSIDs in our wireless network. I have a secondary failover 5508 in another building over a single mode 10GB uplink. Our building is a manufacturing and assembly plant the secondary site is our division office space. That is the quick and dirty rundown.

We are fairly covered with enough APs but with the environment being lots of metal and 600V three phase hoist it’s a challenge to balance the over population of APs and too few. We have a collection of wireless clients from new tech to 10+ or older EOL devices.

I decided to prune some unnecessary BSSIDs with groups and one of our older devices (802.11b/g) AGV (automated guided vehicle) controllers are showing 20 of 26 online, some are out for repairs, but the server can only see 16.

After running multiple Angry IP scans on the subnet I see they are going up and down randomly but too fast for the WLC to catch it.

The APs they are limited to are not congested (30-40 clients). I turned on aggressive load balancing on the WLANs except the one the AGVs are on but in the RF Profile I can’t say no load balancing.

Am I double load balancing or is the RF Profile overriding the Aggressive settings?



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