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Few Extreme 3805i Access Point reboots frequenly

Few Extreme 3805i Access Point reboots frequenly

Sai_Prasad_Rao_
New Contributor III
Few Extreme 3805i Access Point reboots frequenly logs are as below :

ce56535fb84d4315be886c2d092a278f_RackMultipart20150910-12564-n2lisu-issue_-_e-230_inline.jpg



what could be the reason, few users disconnect frequently with limited access on ssid.......users still remain connected to the ssid with IP address, but no internet access and cannot ping their gateway, once if manually disconnected from ssid and connected back then everything works fine. same thing repeats every 10-15 minutes.
20 REPLIES 20

Sai_Prasad_Rao_
New Contributor III
Hi Doug, I found out the reason behind why there is difference between "Tunnel Duration" and uptime in Active AP Reports. Whenever AP DHCP lease time expires the tunnel duration starts from 0:00:00 , PLS clarify does tunnel duration resetting cause users to disconnect, and what does tunnel duration mean ?

Sai_Prasad_Rao_
New Contributor III
topology used for the WLAN (bridge@AP)
Software version : 9.21 second version
Authentication : open

What is the ping source, is it the controller?
Ping source is server machine

Are ping source&destination in the same subnet?
No . source is server in vlan 10 and destination is WiFi user in vlan 114

Ap and controller versions are same.

Even when I ping other machine connected to same ap ping response is high ..... Moreover I have seen for the first time few users not able to connect to extreme ap both laptop / mobiles......

Ronald_Dvorak
Honored Contributor
Could you give some more details...
- topology used for the WLAN (routed, bridge@AP, bridge@EWC
- software version
- authentication/encryption (PSK, EAP-PEAP, EAP-TLS, ..)

What is the ping source, is it the controller?
Are ping source&destination in the same subnet?

Check the following...
Has the AP the same software version as the controller.
If you reboot/restart the AP - do you get any errors from the config manager - here a example...
https://community.extremenetworks.com/extreme/topics/cm-error-after-upgrade-9-15-06-to-9-1-07

What if you connect two clients to the same AP and ping from one to the other - did you also get such a high ping time?

Sai_Prasad_Rao_
New Contributor III
Hi Ron .Client is Just 6-8 metres away from ap ping will be 3000ms +. ...... same with roaming as well ...... 1000ms + ...... Users stay connected to SSID but loose connectivity to Internet. Upon disconnecting and reconnecting to ssid internet session resumes..... On an average this happens to user every 10 min ....... @ that time default gateway is not reachable........what about the packet loss in your case what does that mean ......

Ronald_Dvorak
Honored Contributor
You need to have a clear unterstanding about this clients behavior before you'd come to a conclusion whether something is normal or not.

Just as an example below a ping from the EWC shell to my VoWLAN phone model Unify OpenStage WL3.

As you'd see ping reply for # 1-15 is really high - now you'd come to the conclusion that this is a problem... it isn't... the phones is in standby and so the WLAN adapter is in sleep mode.
ping reply #16-21 show the time if the phone is in a active call so the WLAN adapter is not longer in sleep and the reply is about 20ms.

301b044ea59541d883a3ecda2f001f6e_RackMultipart20150912-26735-19silqs-ping_WL3_inline.png



So without further information there is not much we'd read out of it.
I.e. was the client roaming, was he connected to a AP only a meter away from the client.

Maybe a airtrace could give you a better unterstanding what is going on.
GTM-P2G8KFN