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Beginner

%DOT11-4-MAXRETRIES: Packet to client xxx reached max retries, removing the client AND iPhone

Hi All,

I use Cisco AIR-AP1231G-E-K9 succesfully but the same config with the AIR-AP1280B-E-K9 is not possible

Could you please help me?

I need to deploy the AP 1280B Monday or tuesday ...

Config used :

conf t

dot11 ssid WiFi_Stef

authentication open

authentication key-management wpa

guest-mode

wpa-psk ascii WiFiPassword

int dot11Radio0

encryption mode ciphers tkip

ssid WiFi_Stef

speed range

channel least-congested

sho run :

dot11 activity-timeout unknown default 100000

dot11 activity-timeout client default 100000

dot11 activity-timeout repeater default 100000

dot11 activity-timeout workgroup-bridge default 100000

dot11 activity-timeout bridge default 100000

!

dot11 ssid WiFi_Stef

authentication open

authentication key-management wpa

guest-mode

wpa-psk ascii 7 14201B2D05342B38373F3C2726

!

!

bridge irb

!

!

interface Dot11Radio0

no ip address

no ip route-cache

!

encryption mode ciphers tkip

!

ssid WiFi_Stef

!

speed basic-1.0 2.0 5.5 11.0

station-role root

antenna receive right

antenna transmit right

bridge-group 1

bridge-group 1 subscriber-loop-control

bridge-group 1 block-unknown-source

no bridge-group 1 source-learning

no bridge-group 1 unicast-flooding

bridge-group 1 spanning-disabled

!

interface FastEthernet0

no ip address

no ip route-cache

duplex auto

speed auto

bridge-group 1

no bridge-group 1 source-learning

bridge-group 1 spanning-disabled

!

interface BVI1

ip address dhcp client-id FastEthernet0

no ip route-cache

!

I use an iPhone 6S to try the association and the error is :

000150: Jul 15 10:37:58.453: %DOT11-6-ASSOC: Interface Dot11Radio0, Station 7048.0f6b.f316 Associated KEY_MGMT[WPA PSK]

000151: Jul 15 10:37:59.022: %DOT11-4-MAXRETRIES: Packet to client 7048.0f6b.f316 reached max retries, removing the client

000152: Jul 15 10:37:59.023: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station 7048.0f6b.f316 Reason: Previous authentication no longer valid

I already tried to add the cmd packet retry

for the model 1131G, the encryption mode cyphers is aes-ccm but not possible with the 1280B

Thanks

Stef

3 REPLIES 3
VIP Mentor

HI,

HI,

Error: 000151: Jul 15 10:37:59.022: %DOT11-4-MAXRETRIES: Packet to client 7048.0f6b.f316 reached max retries, removing the client

Workaround

The Packet to client 7048.0f6b.f316 reached max retries, removing the client error message means that the AP disassociates the client because the client did not respond to max keep-alive messages sent by the AP. This can be an indication of a bad RF. Configure this command on the AP in order to eliminate this issue and to enable the client to not lose the connection:
packet retries 128 drop-packet


The increase of packet re-tries to 128 with the drop-packet option is a workaround for the bad RF problem.

Info: The maximum data retries setting determines the number of attempts the access point/bridge makes to send a packet before giving up and dropping the packet. The default setting is 32

Regards

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Highlighted
Cisco Employee

Re: HI, Sandeep

"AP disassociates the client because the client did not respond to max keep-alive messages sent by the AP."

Is it a Cisco proprietary behavior?

Highlighted
VIP Mentor

Re: HI, Sandeep

 

Is it a Cisco proprietary behavior?

 

No Its becuase of bad RF design/ or site survey was not properly done.

 

Regards

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