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Cisco 3900 Series, Cisco 2900 Series, and Cisco 1900 Series Integrated Services Routers Generation 2 Software Configuration Guide
Chapter Configuring Radio Settings
Configuring MCS Rates
MCS rates are configured using the
speed
command. The following example shows a
speed
setting for
an 802.11g/n 2.4-GHz radio:
interface Dot11Radio0
no ip address
no ip route-cache
!
ssid 800test
!
speed basic-1.0 2.0 5.5 11.0 6.0 9.0 12.0 18.0 24.0 36.0 48.0 54.0 m0. m1. m2. m3. m4. m8.
m9. m10. m11. m12. m13. m14. m15.
Table 1
Data Rates Based on MCS Settings, Guard Interval, and Channel Width
MCS Index
Guard Interval = 800 ns
Guard Interval = 400 ns
20-MHz Channel
Width Data Rate
(Mb/s)
40-MHz Channel
Width Data Rate
(Mb/s)
20-MHz Channel
Width Data Rate
(Mb/s)
40-MHz Channel
Width Data Rate
(Mb/s)
0
6.5
13.5
7 2/9
15
1
13
27
14 4/9
30
2
19.5
40.5
21 2/3
45
3
26
54
28 8/9
60
4
39
81
43 1/3
90
5
52
109
57 5/9
120
6
58.5
121.5
65
135
7
65
135
72 2/9
152.5
8
13
27
14 4/9
30
9
26
54
28 8/9
60
10
39
81
43 1/3
90
11
52
108
57 7/9
120
12
78
162
86 2/3
180
13
104
216
115 5/9
240
14
117
243
130
270
15
130
270
144 4/9
300
The legacy rates are as follows:
5 GHz: 6, 9, 12, 18, 24, 36, 48, and 54 Mb/s
2.4 GHz: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mb/s