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13-WLAN高可靠性配置
本章节下载： 13-WLAN高可靠性配置 (209.46 KB)
当AC的上行链路出现故障时，该AC将无法提供访问外部网络的服务，而已关联的无线客户端无法感知AC上行链路的故障，因此不能自动切换接入的无线网络。通过配置WLAN上行链路检测功能，可以将AC下的AP射频状态与上行链路状态进行关联，及时关闭不能正常提供服务的射频，使无线客户端能够主动切换至其它无线网络。
上行链路检测功能的实现方式是将监测模块、Track项与WLAN上行链路检测模块进行联动。监测模块负责监测上行链路的可达性；Track模块根据监测模块的监测结果改变Track项的状态；WLAN上行链路检测模块根据Track项的状态调整射频的工作状态：
· 如果Track项状态为Positive，则允许开启AP射频。
· 如果Track项状态为Negative，则关闭AP射频。
· 如果Track项状态为NotReady，则不更改AP射频的当前状态。
为使WLAN上行链路检测功能能够正常运行，需要先配置对上行链路进行监测的监测模块，并将配置的监测模块与Track进行联动。
(1) 进入系统视图。
system-view
(2) 配置WLAN上行链路检测与Track项联动。
wlan uplink track track-entry-number
缺省情况下，未配置WLAN上行链路检测与任何Track项联动。
AC 1管理的AP 1和AC 2管理的AP 2共同为一个区域的无线客户端提供服务。要求在AC上配置WLAN上行链路检测功能，使用NQA测试组监测上行链路可达性。当AC发现上行链路出现故障，其管理的AP的Radio将被关闭，让客户端仅可以通过上行链路正常工作的AC下的AP接入网络。
图1-1 WLAN上行链路检测典型组网图
(1) 配置AC 1
# 创建ICMP-echo类型的NQA测试组。
<AC1> system-view
[AC1] nqa entry admin test
[AC1-nqa-admin-test] type icmp-echo
# 配置ICMP-echo测试操作中探测报文的目的IPv4地址为10.1.1.1。
[AC1-nqa-admin-test-icmp-echo] destination ip 10.1.1.1
# 配置测试组连续两次测试开始时间的时间间隔为1000毫秒。
[AC1-nqa-admin-test-icmp-echo] frequency 1000
# 建立序号为1的联动项，连续探测失败5次，触发其他模块联动。
[AC1-nqa-admin-test-icmp-echo] reaction 1 checked-element probe-fail threshold-type consecutive 5 action-type trigger-only
[AC1-nqa-admin-test-icmp-echo] quit
# 启动ICMP-echo测试操作。
[AC1] nqa schedule admin test start-time now lifetime forever
# 创建与NQA测试组（管理员为admin，操作标签为test）中联动项1关联的Track项1。
[AC1] track 1 nqa entry admin test reaction 1
[AC1-track-1] quit
# 配置上行链路检测与Track项1关联。
[AC1] wlan uplink track 1
[AC1] quit
(2) 配置AC 2
# 创建ICMP-echo类型的NQA测试组。
<AC2> system-view
[AC2] nqa entry admin test
[AC2-nqa-admin-test] type icmp-echo
# 配置ICMP-echo测试操作中探测报文的目的IPv4地址为11.1.1.1。
[AC2-nqa-admin-test-icmp-echo] destination ip 11.1.1.1
# 建立序号为1的联动项，连续探测失败5次，触发其他模块联动。
[AC2-nqa-admin-test-icmp-echo] reaction 1 checked-element probe-fail threshold-type consecutive 5 action-type trigger-only
[AC2-nqa-admin-test-icmp-echo] quit
# 启动ICMP-echo测试操作。
[AC2] nqa schedule admin test start-time now lifetime forever
# 创建与NQA测试组（管理员为admin，操作标签为test）中联动项1关联的Track项1。
[AC2] track 1 nqa entry admin test reaction 1
# 配置上行链路检测与Track项1关联。
[AC2] wlan uplink track 1
[AC2] quit
# 完成以上配置后，通过display track命令和display wlan ap命令查看Track项的信息和AP的信息可以看到当Track项状态为Positive时，AP的射频状态为Up。
· 查看Track项1的信息。
<AC1> display track 1
Track ID: 1
State: Positive
Duration: 0 days 1 hours 5 minutes 48 seconds
Notification delay: Positive 0, Negative 0 (in seconds)
Tracked object:
NQA entry: admin test
Reaction: 1
· 查看ap1的详细信息。
<AC1> display wlan ap name ap1 verbose
AP name : ap1
AP ID : 1
AP group name : default-group
State : Run
Backup type : Idle
Online time : 0 days 2 hours 25 minutes 12 seconds
System up time : 0 days 1 hours 22 minutes 12 seconds
Model : WA6320
Region code : CN
Region code lock : Disabled
Serial ID : 219801A28N819CE0002T
MAC address : 83D5-AB43-67FF
IP address : 1.1.1.2
UDP control port number : N/A
UDP data port number : N/A
H/W version : Ver.C
S/W version : V700R001B64D029
Boot version : 1.01
USB state : N/A
Power level : N/A
Power info : N/A
Description : wtp1
Priority : 4
Echo interval : 10 seconds
Echo count : 3 counts
Keepalive interval : 10 seconds
Discovery-response wait-time : 2 seconds
Statistics report interval : 50 seconds
Fragment size (data) : 1500
Fragment size (control) : 1450
MAC type : Local MAC & Split MAC
Tunnel mode : Local Bridging & 802.3 Frame & Native Frame
CAPWAP data-tunnel status : Up
Discovery type : N/A
Retransmission count : 3
Retransmission interval : 5 seconds
Firmware upgrade : Disabled
Sent control packets : 0
Received control packets : 0
Echo requests : 0
Lost echo responses : 0
Average echo delay : 0
Last reboot reason : N/A
Latest IP address : N/A
Current AC IP : N/A
Tunnel down reason : N/A
Connection count : 0
Backup IPv4 : Not configured
Backup IPv6 : Not configured
Ctrl-tunnel encryption : Disabled
Ctrl-tunnel encryption state : Not encrypted
Data-tunnel encryption : Disabled
Data-tunnel encryption state : Not encrypted
LED mode : Normal
Remote configuration : Disabled
EnergySaving Level : 0
AP type : Unknown
Radio 1:
BSSID : N/A
State : Up
Type : 802.11ax
Antenna type : internal
Client dot11ac-only : Disabled
Client dot11n-only : Disabled
Channel bandwidth : 20/40/80MHz
Operating bandwidth : 20/40/80MHz
Secondary channel mode : SCA
Short GI for 20MHz : Supported
Short GI for 40MHz : Supported
Short GI for 80MHz : Supported
Short GI for 160MHz : Not supported
MIMO : Not Config
Green-Energy-Management : Disabled
A-MSDU : Enabled
A-MPDU : Enabled
LDPC : Supported
STBC : Supported
Operational VHT-MCS set:
Mandatory : Not configured
Supported : NSS1 0,1,2,3,4,5,6,7,8,9
NSS2 0,1,2,3,4,5,6,7,8,9
Multicast : Not configured
Operational HT MCS set:
Mandatory : Not configured
Supported : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15
Multicast : Not configured
Channel : 52(auto)
Channel usage(%) : 0
Max power : 20 dBm
Operational rate:
Mandatory : 6, 12, 24 Mbps
Multicast : Auto
Supported : 9, 18, 36, 48, 54 Mbps
Disabled : Not configured
Distance : 1 km
ANI : Enabled
Fragmentation threshold : 2346 bytes
Beacon interval : 100 TU
Protection threshold : 2346 bytes
Long retry threshold : 4
Short retry threshold : 7
Frame aging time in cache : 2000 ms
Noise floor : 0 dBm
Protection mode : cts-to-self
MU-TxBF : Enabled
SU-TxBF : Enabled
Continuous mode : N/A
Client dot11ax-only : Disabled
Operational HE-MCS Set:
Mandatory : Not configured
Supported : NSS1 0,1,2,3,4,5,6,7,8,9,10,11
NSS2 0,1,2,3,4,5,6,7,8,9,10,11
Multicast : Not configured
OFDMA random access RUs : Not Supported
Channel Width Set : 0x02
HT protection mode : No protection
Radio 2:
BSSID : N/A
State : Up
Type : 802.11gax
Antenna type : internal
Client dot11ac-only : Disabled
Client dot11n-only : Disabled
Channel bandwidth : 20MHz
Operating bandwidth : 20MHz
Secondary channel mode : SCN
Short GI for 20MHz : Supported
Short GI for 40MHz : Supported
Short GI for 80MHz : Not Supported
Short GI for 160MHz : Not Supported
MIMO : Not Config
Green-Energy-Management : Disabled
A-MSDU : Enabled
A-MPDU : Enabled
LDPC : Supported
STBC : Supported
Operational VHT-MCS set:
Mandatory : Not configured
Supported : Not configured
Multicast : Not configured
Operational HT MCS set:
Mandatory : Not configured
Supported : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15
Multicast : Not configured
Channel : 1(auto)
Channel usage(%) : 0
Max power : 20 dBm
Operational rate:
Mandatory : 1, 2, 5.5, 11 Mbps
Multicast : Auto
Supported : 6, 9, 12, 18, 24, 36, 48, 54 Mbps
Disabled : Not configured
Distance : 1 km
ANI : Enabled
Fragmentation threshold : 2346 bytes
Beacon interval : 100 TU
Protection threshold : 2346 bytes
Long retry threshold : 4
Short retry threshold : 7
Frame aging time in cache : 2000 ms
Noise floor : 0 dBm
Protection mode : cts-to-self
MU-TxBF : Enabled
SU-TxBF : Enabled
Continuous mode : N/A
Client dot11ax-only : Disabled
Operational HE-MCS Set:
Mandatory : Not configured
Supported : NSS1 0,1,2,3,4,5,6,7,8,9,10,11
NSS2 0,1,2,3,4,5,6,7,8,9,10,11
Multicast : Not configured
OFDMA random access RUs : Not Supported
Channel Width Set : 0x01
HT protection mode : No protection
# 当Track项状态为Negative时，AP的射频状态为Down。
· 查看Track项1的信息。
<AC1> display track 1
Track ID: 1
State: Negative
Duration: 0 days 2 hours 5 minutes 48 seconds
Notification delay: Positive 0, Negative 0 (in seconds)
Tracked object:
NQA entry: admin test
Reaction: 1
· 查看ap1的详细信息。
<AC1> display wlan ap name ap1 verbose
AP name : ap1
AP ID : 1
AP group name : default-group
State : Run
Backup type : Idle
Online time : 0 days 3 hours 25 minutes 12 seconds
System up time : 0 days 2 hours 22 minutes 12 seconds
Model : WA6320
Region code : CN
Region code lock : Disabled
Serial ID : 219801A28N819CE0002T
MAC address : 83D5-AB43-67FF
IP address : 1.1.1.2
UDP control port number : N/A
UDP data port number : N/A
H/W version : Ver.C
S/W version : V700R001B64D029
Boot version : 1.01
USB state : N/A
Power level : N/A
Power info : N/A
Description : wtp1
Priority : 4
Echo interval : 10 seconds
Echo count : 3 counts
Keepalive interval : 10 seconds
Discovery-response wait-time : 2 seconds
Statistics report interval : 50 seconds
Fragment size (data) : 1500
Fragment size (control) : 1450
MAC type : Local MAC & Split MAC
Tunnel mode : Local Bridging & 802.3 Frame & Native Frame
CAPWAP data-tunnel status : Up
Discovery type : N/A
Retransmission count : 3
Retransmission interval : 5 seconds
Firmware upgrade : Disabled
Sent control packets : 0
Received control packets : 0
Echo requests : 0
Lost echo responses : 0
Average echo delay : 0
Last reboot reason : N/A
Latest IP address : N/A
Current AC IP : N/A
Tunnel down reason : N/A
Connection count : 0
Backup IPv4 : Not configured
Backup IPv6 : Not configured
Ctrl-tunnel encryption : Disabled
Ctrl-tunnel encryption state : Not encrypted
Data-tunnel encryption : Disabled
Data-tunnel encryption state : Not encrypted
LED mode : Normal
Remote configuration : Disabled
EnergySaving Level : 0
AP type : Unknown
Radio 1:
BSSID : N/A
State : Down
Type : 802.11ax
Antenna type : internal
Client dot11ac-only : Disabled
Client dot11n-only : Disabled
Channel bandwidth : 20/40/80MHz
Operating bandwidth : 20/40/80MHz
Secondary channel mode : SCA
Short GI for 20MHz : Supported
Short GI for 40MHz : Supported
Short GI for 80MHz : Supported
Short GI for 160MHz : Not supported
MIMO : Not Config
Green-Energy-Management : Disabled
A-MSDU : Enabled
A-MPDU : Enabled
LDPC : Supported
STBC : Supported
Operational VHT-MCS set:
Mandatory : Not configured
Supported : NSS1 0,1,2,3,4,5,6,7,8,9
NSS2 0,1,2,3,4,5,6,7,8,9
Multicast : Not configured
Operational HT MCS set:
Mandatory : Not configured
Supported : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15
Multicast : Not configured
Channel : 52(auto)
Channel usage(%) : 0
Max power : 20 dBm
Operational rate:
Mandatory : 6, 12, 24 Mbps
Multicast : Auto
Supported : 9, 18, 36, 48, 54 Mbps
Disabled : Not configured
Distance : 1 km
ANI : Enabled
Fragmentation threshold : 2346 bytes
Beacon interval : 100 TU
Protection threshold : 2346 bytes
Long retry threshold : 4
Short retry threshold : 7
Frame aging time in cache : 2000 ms
Noise floor : 0 dBm
Protection mode : cts-to-self
MU-TxBF : Enabled
SU-TxBF : Enabled
Continuous mode : N/A
Client dot11ax-only : Disabled
Operational HE-MCS Set:
Mandatory : Not configured
Supported : NSS1 0,1,2,3,4,5,6,7,8,9,10,11
NSS2 0,1,2,3,4,5,6,7,8,9,10,11
Multicast : Not configured
OFDMA random access RUs : Not Supported
Channel Width Set : 0x02
HT protection mode : No protection
Radio 2:
BSSID : N/A
State : Down
Type : 802.11gax
Antenna type : internal
Client dot11ac-only : Disabled
Client dot11n-only : Disabled
Channel bandwidth : 20MHz
Operating bandwidth : 20MHz
Secondary channel mode : SCN
Short GI for 20MHz : Supported
Short GI for 40MHz : Supported
Short GI for 80MHz : Not Supported
Short GI for 160MHz : Not Supported
MIMO : Not Config
Green-Energy-Management : Disabled
A-MSDU : Enabled
A-MPDU : Enabled
LDPC : Supported
STBC : Supported
Operational VHT-MCS set:
Mandatory : Not configured
Supported : Not configured
Multicast : Not configured
Operational HT MCS set:
Mandatory : Not configured
Supported : 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15
Multicast : Not configured
Channel : 1(auto)
Channel usage(%) : 0
Max power : 20 dBm
Operational rate:
Mandatory : 1, 2, 5.5, 11 Mbps
Multicast : Auto
Supported : 6, 9, 12, 18, 24, 36, 48, 54 Mbps
Disabled : Not configured
Distance : 1 km
ANI : Enabled
Fragmentation threshold : 2346 bytes
Beacon interval : 100 TU
Protection threshold : 2346 bytes
Long retry threshold : 4
Short retry threshold : 7
Frame aging time in cache : 2000 ms
Noise floor : 0 dBm
Protection mode : cts-to-self
MU-TxBF : Enabled
SU-TxBF : Enabled
Continuous mode : N/A
Client dot11ax-only : Disabled
Operational HE-MCS Set:
Mandatory : Not configured
Supported : NSS1 0,1,2,3,4,5,6,7,8,9,10,11
NSS2 0,1,2,3,4,5,6,7,8,9,10,11
Multicast : Not configured
OFDMA random access RUs : Not Supported
Channel Width Set : 0x01
HT protection mode : No protection
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