Wireless Access

Hi there fellas, how are you?

I've been a member for some time now and I've gotten interesting solutions here so, thanks in advance.
I'm having a trouble in a controlerless wireless solution, 56 iaps (515, 303, 315 and 303h) in standalone mode (VC).

So, in times of dense use, like, 50 connected devices in a single ap like 303h, sometimes the clients can't connect to the wifi. The message they receive is "Can't connect to the network" or something like that. Rebooting that AP solves it.

I've tried several configurations, removed 802.11 roaming standards, changed SLB from radio+channel to only channel (not that would help authenticate), I've tried to create a test ssid with internal dhcp and the problem is the same.

Memory and cpu usage is considerably high at those moments, like, 90%. So, my intuitive not so great mind tells me that it's a hardware issue because they restart the AP and it comes to life but I can't go to the customer and say lets change the ap because my intuitive not so great mind tells me to.

We've done a site survey with Ekahau connect and there is some interference but nothing to be worried about (see attached jpg)

So, any thoughts? Attached there are two logs with several lines of debug (dhcp, system and errors).

Thanks my friends! Best regards.

Hi there fellas, how are you?

I've been a member for some time now and I've gotten interesting solutions here so, thanks in advance.
I'm having a trouble in a controlerless wireless solution, 56 iaps (515, 303, 315 and 303h) in standalone mode (VC).

So, in times of dense use, like, 50 connected devices in a single ap like 303h, sometimes the clients can't connect to the wifi. The message they receive is "Can't connect to the network" or something like that. Rebooting that AP solves it.

I've tried several configurations, removed 802.11 roaming standards, changed SLB from radio+channel to only channel (not that would help authenticate), I've tried to create a test ssid with internal dhcp and the problem is the same.

Memory and cpu usage is considerably high at those moments, like, 90%. So, my intuitive not so great mind tells me that it's a hardware issue because they restart the AP and it comes to life but I can't go to the customer and say lets change the ap because my intuitive not so great mind tells me to.

We've done a site survey with Ekahau connect and there is some interference but nothing to be worried about (see attached jpg)

So, any thoughts? Attached there are two logs with several lines of debug (dhcp, system and errors).

Thanks my friends! Best regards.

It may be best to open a TAC case for this. The Check sum mismatch messages show up in cases where there are connectivity issues between the APs, like missing VLANs or specific AP overrides. Have you checked that all of your APs have the exact same firmware version (version + build)?
Also, do you have a separate client VLAN and broadcast filtering enabled? If you have the clients and AP management in the same VLAN, escpecially when there is a lot of broadcast traffic it can be that the control traffic between the APs is overloaded. Best practice is to have a dedicated management VLAN (untagged to the AP) and put your client traffic in one or more client VLANs (802.1q VLAN tagged to the AP).

Hi there fellas, how are you?

I've been a member for some time now and I've gotten interesting solutions here so, thanks in advance.
I'm having a trouble in a controlerless wireless solution, 56 iaps (515, 303, 315 and 303h) in standalone mode (VC).

So, in times of dense use, like, 50 connected devices in a single ap like 303h, sometimes the clients can't connect to the wifi. The message they receive is "Can't connect to the network" or something like that. Rebooting that AP solves it.

I've tried several configurations, removed 802.11 roaming standards, changed SLB from radio+channel to only channel (not that would help authenticate), I've tried to create a test ssid with internal dhcp and the problem is the same.

Memory and cpu usage is considerably high at those moments, like, 90%. So, my intuitive not so great mind tells me that it's a hardware issue because they restart the AP and it comes to life but I can't go to the customer and say lets change the ap because my intuitive not so great mind tells me to.

We've done a site survey with Ekahau connect and there is some interference but nothing to be worried about (see attached jpg)

So, any thoughts? Attached there are two logs with several lines of debug (dhcp, system and errors).

Thanks my friends! Best regards.