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某局点使用的V7的AC插卡使用的版本是R5221的版本,此版本经过查询是支持无线V7的license共享特性的。但是现场的工程师反馈配置了无线license共享之后不生效,接下来进行分析。
1、检查现场的配置以及共享license状态
通过现场反馈,现场使用的是N+1的方式共享的,现场4台AC插卡设备,三台设备的license都共享到其中一台AC插卡上。具体为AC1、AC2、AC3的license共享到AC4上面,具体配置如下:
AC1的配置:
wlan ap-license-group
local ip 10.104.0.1
member ip 10.104.0.4 backup
ap-license-synchronization enable
AC2的配置:
wlan ap-license-group
local ip 10.104.0.2
member ip 10.104.0.4 backup
ap-license-synchronization enable
AC3的配置:
wlan ap-license-group
local ip 10.104.0.3
member ip 10.104.0.4 backup
ap-license-synchronization enable
AC4的配置:
wlan ap-license-group
local ip 10.104.0.4 backup
member ip 10.104.0.1
member ip 10.104.0.2
member ip 10.104.0.3
ap-license-synchronization enable
通过上面的配置,我们首先确定AC1、AC2、AC3都是有授权注册的。通过查看四台设备的共享license状态发现都是down的状态。
下面是主设备AC1的license共享状态:
[AC1]dis wlan ap-license-group
Group total licenses: N/A
Group used licenses: N/A
AP license synchronization: Enabled
Local IP: 10.104.0.1
Local role: Master
Member information: 1
IP address Total Used Member role State Online duration
10.104.0.4 N/A N/A Backup DOWN 00hr 00min 00sec
AC2、AC3的状态依然也是down的。
下面是backup设备的license共享状态:
[AC4]dis wlan ap-license-group
Group total licenses: 0
Group used licenses: 0
AP license synchronization: Enabled
Local IP: 10.104.0.4
Local role: Backup
Member information: 3
IP address Total Used Member role State Online duration
10.104.0.1 0 0 Master DOWN 00hr 00min 00sec
10.104.0.2 0 0 Master DOWN 00hr 00min 00sec
10.104.0.3 0 0 Master DOWN 00hr 00min 00sec
发现全部都是down的状态,肯定是有问题的。
2、问题原因
经过分析和确认,配置V7无线license共享特性的时候,主设备除了需要配置backup信息之外,还需要将其他主设备的信息也配置进去的。
因此将配置改为下面的配置:
AC1的正确配置:
wlan ap-license-group
local ip 10.104.0.1
member ip 10.104.0.2
member ip 10.104.0.3
member ip 10.104.0.4 backup
ap-license-synchronization enable
AC2的正确配置:
wlan ap-license-group
local ip 10.104.0.2
member ip 10.104.0.1
member ip 10.104.0.3
member ip 10.104.0.4 backup
ap-license-synchronization enable
AC3的正确配置:
wlan ap-license-group
local ip 10.104.0.3
member ip 10.104.0.1
member ip 10.104.0.2
member ip 10.104.0.4 backup
ap-license-synchronization enable
AC4的正确配置:
wlan ap-license-group
local ip 10.104.0.4 backup
member ip 10.104.0.1
member ip 10.104.0.2
member ip 10.104.0.3
ap-license-synchronization enable
通过以上的配置之后,发现4台设备的license共享已经成功。N+1的license共享需要每台设备都需要将其他设备的信息配置进去。
配置V7无线license共享的特性时需要在每台设备配其他设备的member成员信息才能共享成功。
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案例意见反馈
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