WLAN RRM settings
wlan rrm
spectrum-management enable
dot11a mandatory-rate 24
dot11a supported-rate 18 36 48 54
dot11a disabled-rate 6 9 12
dot11a multicast-rate 24
dot11b mandatory-rate 11
dot11b supported-rate 5.5
dot11b disabled-rate 1 2
dot11g mandatory-rate 5.5 11 24
dot11g supported-rate 12 18 36 48 54
dot11g disabled-rate 1 2 6 9
dot11g multicast-rate 24
band-navigation balance session 25 gap 3
band-navigation
enable
Turns on band navigation
dot11a calibrate-channel
self-decisive
Auto channel A 5.8
gig band
dot11a calibrate-power
self-decisive
Auto channel 2.4gig band
dot11a calibration-interval
120
calibrate NA every
120 minutes
dot11a calibrate-power min
10
min power level for na
dot11bg calibrate-channel
self-decisive
Auto channel NG 2.4
gig band
dot11bg calibrate-power
self-decisive
Auto power NG 2.4 gig banc
dot11bg calibration-interval
120
Calibrate power / channel
ever 120 min
dot11bg calibrate-power min
8
min power level for NG set
to 8 db
WLAN QOS settings (set very
conservatively)
#
wlan option fair-schedule enable
wlan option client-reject 10
#
WLAN AP settings (for
reference
wlan ap pacific-hs-1-74 model MSM460-AM id 27
serial-id CN33D321L8
hybrid-remote-ap
enable
Keeps AP data traffic alive in
case of controller offline…
undo broadcast-probe
reply
Keeps unnecessary broadcast
reply’s off network wasting bandwidth
radio 1
service-template 2
service-template 3
service-template 4
radio enable
radio 2
service-template 2
service-template 3
service-template 4
radio enable
#
WLAN RRM Details at AP level –
AP that has made RRM adjustments
<HP-7500-Wlan>dis wlan ap name pacific-hs-1-74
rrm-status
AP RRM Profile : pacific-hs-1-74
-------------------------------------------------------------------------------
Radio :
1
Basic BSSID : d89d-6741-d000
Channel : 48
(Good)
Tx Power (dBm) :
10
Note 5 gig power level is
set to minims floor / ch 48 and status is good
---------------------------------------------------------------------------
Chl NbrCnt
Load Util Intf PER
Retry Radar
(%) (%) (%) (%)
(%)
---------------------------------------------------------------------------
36
0 0
- 0
0 - -
40
0 0
- 0
0 - -
44
1 0
- 0
0 - -
48
4 1
0 1
0 0
-
Neighbor count is 4 but
interference is low so no change needed
52
0 0
- 0
0 - -
56
1 0 -
0 0
- -
60
0 0
- 0
0 - -
64
0 0
- 0
0 - -
100
0 0
- 0
0 - -
104
0 0
- 0
0 - -
108
0 0
- 0
0 - -
112
0 0
- 0
0 - -
116
0 0
- 0
0 - -
132
0 0
- 0
0 - -
136
0 0
- 0 0
- -
140
0 0
- 0
0 - -
149
0 0
- 0
0 - -
153
0 0
- 0
0 - -
157
0 0
- 0
0 - -
161
0 0
- 0
0 - -
165
0 0
- 0
0 - -
---------------------------------------------------------------------------
Nbr-BasicBSSID Chl
Intf SignalStrength Type
(%) (dBm)
---------------------------------------------------------------------------
d89d-6740-c600 44
0
-60
Managed
Power levels of neighbors
d89d-6741-1200 56
0
-50
Managed
d89d-6741-12a0 48
0
-58
Managed
d89d-6741-12c0 48
0
-56
Managed
d89d-6741-d020 48
0
-58
Managed
d89d-6741-d040 48
0
-62
Managed
-------------------------------------------------------------------------------
Radio :
2
Basic BSSID : d89d-6741-d010
Channel : 1
(Good)
Tx Power (dBm) :
8
2.4 gig Radio – ch 1
/ power has been adjusted to 8 dbm
---------------------------------------------------------------------------
Chl NbrCnt
Load Util Intf PER
Retry Radar
(%) (%) (%)
(%) (%)
---------------------------------------------------------------------------
1
3 4
0 4
1 0 -
6
0 0
- 0
0 - -
11
2 3
- 3
0 - -
---------------------------------------------------------------------------
Nbr-BasicBSSID Chl
Intf SignalStrength Type
(%)
(dBm)
---------------------------------------------------------------------------
d89d-6740-1670
1 0
-88
Managed
d89d-6740-6e50
1 0
-84
Managed
d89d-6741-1210 11
0 -54
Managed
d89d-6741-12d0
1 0
-55
Managed
d89d-6741-d030 11
0
-57
Managed
-------------------------------------------------------------------------------
<HP-7500-Wlan>
Here is same AP now looking at
the RRM History
<HP-7500-Wlan>dis wlan ap name pacific-hs-1-74
rrm-history
AP
RRM History
-------------------------------------------------------------------------------
Flags : I - Interference, P - Packets
discarded, F - Retransmission,
R -
Radar, C -
Coverage,
O - Others
-------------------------------------------------------------------------------
AP RRM History : pacific-hs-1-74
-------------------------------------------------------------------------------
Radio :
1
Basic BSSID : d89d-6741-d000
-------------------------------------------------------------------------------
Chl Power Load
Util Intf PER Retry Reason
Date Time
(dBm) (%) (%) (%) (%)
(%) (yyyy-mm-dd)
(hh:mm:ss)
-------------------------------------------------------------------------------
Before 48 14 1
0 1 0 0
----C- 2014-01-08
07:18:44
Note that a power change on Radio 5.8 gig was made / not a channel
change
After 48 11
1 0 1 0
0 -
- -
-------------------------------------------------------------------------------
Before 48 11 1
0 1 0 0
----C- 2014-01-08
09:18:44
Another power change on
radio 1 5.8 gig made at next interval to lower to min floor level…
After 48 10
1 0 1 0
0 -
- -
-------------------------------------------------------------------------------
Radio :
2
Basic BSSID : d89d-6741-d010
-------------------------------------------------------------------------------
Chl Power Load
Util Intf PER Retry Reason
Date Time
(dBm) (%) (%) (%) (%)
(%) (yyyy-mm-dd)
(hh:mm:ss)
-------------------------------------------------------------------------------
Before 6 14 31
0 31 29 0
-P--C- 2014-01-08
07:18:44
Radio 2 – 2.4 gig has much higher load and interfernace levels – note
before and after levels after changing channel and lowering power
After 1 11
0 0 0 0
0 -
- -
-------------------------------------------------------------------------------
Before 1 11
5 0 5 0
0 ----C- 2014-02-19
21:18:54
Radio 2 – 2.4 gig kept
same channel but increased power
After 1 14
5 0 5 0
0 -
- -
-------------------------------------------------------------------------------
Before 1 14
4 0 4 0
0 ----C- 2014-02-19
23:18:54
Radio 2 – 2.4 gig kept
same channel but lowered power
After 1 11
3 0 3 0
0 -
- -
-------------------------------------------------------------------------------
Before 1 11
3 0 3 0
0 ----C- 2014-02-20
01:18:54
Radio 2 – 2.4 gig kept
same channel but lowered power to min level
After 1 8
3 0 3 0
0 -
- -
-------------------------------------------------------------------------------
<HP-7500-Wlan>
<HP-7500-Wlan>
<HP-7500-Wlan>
<HP-7500-Wlan>
Very helpful. Thanks.
ReplyDelete