Re: [zd1211-devs] kernel: TKIP: replay detected:

[Daniel D. <ds...@ge...>]

Elimar Riesebieter wrote:
> Hi all,
> 
> I am running
> 
> zd1211rw 4-1:1.0: firmware version 4605
> zd1211rw 4-1:1.0: zd1211 chip 6891:a727 v4330 high 00-14-7c RF2959_RF pa0 g---
> 
> 
> IEEE 802.11b/g  ESSID:"BLO"  Nickname:"zd1211"
> Mode:Managed  Frequency:2.462 GHz  Access Point: XX:XX:BB:LL:KK:00
> Bit Rate:54 Mb/s
> Link Quality=98/100  Signal level=91/100
> Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
> Tx excessive retries:0  Invalid misc:0   Missed beacon:0
> 
> in wpa/tkip mode.
> 
> My sylog is filled up with thousands of:
> Sep 21 18:18:00 aragorn kernel: TKIP: replay detected: \
> STA=XX:XX:BB:LL:KK:00 previous TSC 00000000BLAa received TSC 00000000BLAa
> Sep 21 18:18:29 aragorn kernel: printk: 62 messages suppressed.

You should report this to the Linux netdev list. It isn't a driver bug, 
and isn't really a bug at all, the only issue is that maybe it shouldn't 
be so noisy when replays happen.

Also we will switch to hardware decryption fairly soon so this "problem" 
will go away.

Daniel