11-12-2015 03:24 AM - edited 07-05-2021 04:12 AM
Hi,
We are having problems with wifi connection in a warehouse with 12 Cisco 2702i Access Points.
All clients are having few times a day network breakage that lasts 1-4mins.
in that time client doesnt have any IP address or has APIPA - all clients are configured to receive IP from DHCP.
We have also tried to set clients with static IP address but problem persists.
Acees points are divided into groups of two between these channels - 1,3,5,7,9,11
We are using Motorola VC70N0, WT41N0 and MC9190 as clients connecting to APs.
Warehouse area is around 3500 sqm divided in 9 corridors.
Access points are connected to two Cisco switches WS-C3650-24PS and the configuration of port is:
description xxx
switchport trunk native vlan 30
switchport mode trunk
switchport nonegotiate
spanning-tree portfast
spanning-tree guard root
All access points are set with power lvl 2, but we have tried lowering power level to 6.
But still we have network loss on Motorola clients.
I have found these logs on both switches:
000838: Nov 12 08:42:17.495: %SW_MATM-4-MACFLAP_NOTIF: Host 4083.de89.d5fe in vlan 30 is flapping between port Gi1/1/4 and port Gi1/0/16
000839: Nov 12 10:22:23.318: %SW_MATM-4-MACFLAP_NOTIF: Host 4083.de83.d508 in vlan 30 is flapping between port Gi1/1/4 and port Gi1/0/17
000840: Nov 12 11:00:32.480: %SW_MATM-4-MACFLAP_NOTIF: Host 4083.de83.d811 in vlan 30 is flapping between port Gi1/0/18 and port Gi1/1/4
000841: Nov 12 11:16:54.552: %SW_MATM-4-MACFLAP_NOTIF: Host 4083.de89.fe9b in vlan 30 is flapping between port Gi1/0/16 and port Gi1/1/4
Does anyone have clue why do we loose wifi connection with these clients?
11-12-2015 09:34 AM
A few things need to be checked:
11-13-2015 12:48 AM
Hi Freerk,
Thanks for your reply!
We will try changing channel on all AP to only 1,6 and 11. After it we will do the site-survey.
Yes, we are running flexconnect - nice to hear that MAC flapping is normal thing than.
WLAN authentication is done with certificates.
Will post a another reply to confirm if this has helped.
08-10-2016 06:31 AM
Hi,
Did you ever get this to work?
Regards
Philip
08-26-2016 02:11 PM
Hi,
It was fixed with updating the firmware of the WLC.
It turned out that the Version of firmware was making this Problems.
With 2602i everything was running smoothley..
11-13-2015 01:38 AM
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