show ap auto-rf 802.11b <ap> output

[bdheaton]

Hi,

this cli command includes the RSSI from nearby neighbors. Is the reported RSSI based on AP neighbor messages (sent at full power) or on actual RSSI on the client channel ?

WLC 5508 7.3.101.0

e.g.

  Nearby APs

    AP 00:19:a9:a4:f5:00 slot 0..................  -74 dBm on   1 ()

    AP 00:1c:b0:04:fa:80 slot 0..................  -68 dBm on  11 ()

    AP 10:bd:18:1b:fc:d0 slot 0..................  -67 dBm on   6 ()

Thanks,

Brian

[Scott Fella]

Information is from the APs itself in the messages it sends and hears.

Sent from Cisco Technical Support iPhone App

[bdheaton]

Thanks for your response, but I understand that there may be a difference in transmit power between that used to transmit AP neighbor messages and that which is manually configured for the AP or determined by TPC used to transmit to wireless clients

In some areas where clients have problems connecting, the nearby (1142N) APs have had their transmit power level set to 6 or 7 by TPC, whereas show ap auto-rf reports good signal strength from one AP to another. Some experiments reducing the max transmit power on some APs hasn't resulted in the expected  change in the RSSI reported by neighboring APs - hence the question about what is actually being reported.

Brian

[Scott Fella]

Well that is two different things....and that shouldn't be used to determine the signal strength that a client will get.  For example... if the AP's are in the hallway they will hear each other with a stronger signal than a device in a room.  So what you need to do is set the minimum TX to maybe 11dbm or 8dbm.  Proper AP placement is the key here and if your AP's are setting the TX power that low, then you either have a dense implementation or your AP's are line of sight with each other.  Either way, you need to tweak this so your client devices are happy.

Thanks,

Scott

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