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华为配置中心AP内漫游实验

大柚子top 03-16 06:00 阅读 2

华为配置中心AP内漫游示例

组网图形

图1 配置中心AP内漫游组网图

  • 配置流程
  • 组网需求
  • 配置思路
  • 数据规划
  • 配置注意事项
  • 操作步骤
  • 配置文件

配置流程

WLAN不同的特性和功能需要在不同类型的模板下进行配置和维护,这些模板统称为WLAN模板,如域管理模板、射频模板、VAP模板、AP系统模板、AP有线口模板、WIDS模板。当用户在配置WLAN业务功能时,需要在对应功能的WLAN模板中进行参数配置,配置完成后,须将此模板引用到AP组或AP中,配置才会自动下发到RU,进而配置的功能在RU上生效。由于模板之间是存在相互引用关系的,因此在用户配置过程中,需要提前了解各个模板之间存在的逻辑关系。模板的逻辑关系和基本配置流程请参见WLAN业务配置流程

组网需求

某小型企业为员工提供WLAN网络业务,由于场所面积不大,可以通过一台中心AP对RU进行管理。同时为了区分部门进行管理,不同部门的员工在不同的子网。企业希望员工在企业内部移动办公的同时网络业务不中断。

如图1所示,中心AP为企业员工提供业务服务,中心AP分别通过Switch_1和Switch_2连接area_1和area_2。

配置思路

采用如下的思路配置中心AP内漫游:

  1. 配置网络互通,使RU与中心AP之间能够传输CAPWAP报文。
  2. 配置中心AP作为DHCP服务器,为STA和RU分配IP地址。
  3. 配置WLAN基本业务,保证用户能够连接到无线网络。

数据规划

配置项

数据

DHCP服务器

中心AP作为DHCP服务器为STA和RU分配IP地址

RU的IP地址池

10.23.100.2~10.23.100.254/24

STA的IP地址池

10.23.101.2~10.23.101.254/24

中心AP的源接口IP地址

VLANIF100:10.23.100.1/24

AP组

  • 名称:ap-group1
  • 引用模板:VAP模板wlan-vap1、域管理模板domain

域管理模板

  • 名称:domain
  • 国家码:CN

SSID模板

  • 名称:wlan-ssid
  • SSID名称:wlan-net

安全模板

  • 名称:wlan-security
  • 安全策略:WPA2+PSK+AES
  • 密码:a1234567

VAP模板

  • 名称:wlan-vap1
  • 业务VLAN:VLAN101
  • 引用模板:SSID模板wlan-ssid、安全模板wlan-security

配置注意事项

建议在与RU直连的设备接口上配置端口隔离,如果不配置端口隔离,可能会在VLAN内形成大量不必要的广播报文,导致网络阻塞,影响用户体验。

操作步骤
  1. 配置Switch和中心AP,使RU和中心AP互通。

    # 在接入交换机Switch_1上创建VLAN100(管理VLAN)。Switch_1连接RU_1的接口GE0/0/1和连接中心AP的接口GE0/0/2加入VLAN100。
    <HUAWEI> system-view
    [HUAWEI] sysname Switch_1
    [Switch_1] vlan batch 100
    [Switch_1] interface gigabitethernet 0/0/1
    [Switch_1-GigabitEthernet0/0/1] port link-type trunk
    [Switch_1-GigabitEthernet0/0/1] port trunk pvid vlan 100
    [Switch_1-GigabitEthernet0/0/1] port trunk allow-pass vlan 100
    [Switch_1-GigabitEthernet0/0/1] quit
    [Switch_1] interface gigabitethernet 0/0/2
    [Switch_1-GigabitEthernet0/0/2] port link-type trunk
    [Switch_1-GigabitEthernet0/0/2] port trunk allow-pass vlan 100
    [Switch_1-GigabitEthernet0/0/2] quit
    # 在接入交换机Switch_2上创建VLAN100(管理VLAN)。Switch_2连接RU_2的接口GE0/0/1和连接中心AP的接口GE0/0/2加入VLAN100。
    <HUAWEI> system-view
    [HUAWEI] sysname Switch_2
    [Switch_2] vlan batch 100
    [Switch_2] interface gigabitethernet 0/0/1
    [Switch_2-GigabitEthernet0/0/1] port link-type trunk
    [Switch_2-GigabitEthernet0/0/1] port trunk pvid vlan 100
    [Switch_2-GigabitEthernet0/0/1] port trunk allow-pass vlan 100
    [Switch_2-GigabitEthernet0/0/1] quit
    [Switch_2] interface gigabitethernet 0/0/2
    [Switch_2-GigabitEthernet0/0/2] port link-type trunk
    [Switch_2-GigabitEthernet0/0/2] port trunk allow-pass vlan 100
    [Switch_2-GigabitEthernet0/0/2] quit
    # 配置中心AP连接Switch_1的接口GE0/0/1和连接Switch_2的接口GE0/0/2加入VLAN100。
    <HUAWEI> system-view
    [HUAWEI] sysname AP
    [AP] vlan batch 100 to 101
    [AP] interface gigabitethernet 0/0/1
    [AP-GigabitEthernet0/0/1] port link-type trunk
    [AP-GigabitEthernet0/0/1] port trunk allow-pass vlan 100
    [AP-GigabitEthernet0/0/1] quit
    [AP] interface gigabitethernet 0/0/2
    [AP-GigabitEthernet0/0/2] port link-type trunk
    [AP-GigabitEthernet0/0/2] port trunk allow-pass vlan 100
    [AP-GigabitEthernet0/0/2] quit

  2. 配置中心AP作为DHCP服务器,为STA和RU分配IP地址

    # 配置基于接口地址池的DHCP服务器,其中,VLANIF100接口为RU提供IP地址,VLANIF101为STA提供IP地址。
    
    DNS服务器地址请根据实际需要配置。常用配置方法如下:
    接口地址池场景,需要在VLANIF接口视图下执行命令dhcp server dns-list ip-address &<1-8>。
    全局地址池场景,需要在IP地址池视图下执行命令dns-list ip-address &<1-8>。
    [AP] dhcp enable
    [AP] interface vlanif 100
    [AP-Vlanif100] ip address 10.23.100.1 255.255.255.0
    [AP-Vlanif100] dhcp select interface
    [AP-Vlanif100] quit
    [AP] interface vlanif 101
    [AP-Vlanif101] ip address 10.23.101.1 255.255.255.0
    [AP-Vlanif101] dhcp select interface
    [AP-Vlanif101] quit

  3. 配置RU上线

    # 创建AP组“ap-group1”。
    
    [AP] wlan
    [AP-wlan-view] ap-group name ap-group1
    [AP-wlan-ap-group-ap-group1] quit
    # 创建域管理模板,在域管理模板下配置中心AP的国家码并在AP组下引用域管理模板。
    
    [AP-wlan-view] regulatory-domain-profile name domain
    [AP-wlan-regulatory-domain-domain] country-code cn
    [AP-wlan-regulatory-domain-domain] quit
    [AP-wlan-view] ap-group name ap-group1
    [AP-wlan-ap-group-ap-group1] regulatory-domain-profile domain
    Warning: Modifying the country code will clear channel, power and antenna gain configurations of the radio and reset the AP. Continu e?[Y/N]:y  
    [AP-wlan-ap-group-ap-group1] quit
    # 配置中心AP上RU的管理VLAN。
     
    [AP] management-vlan 100
    # 在中心AP上离线导入RU,并将RU加入AP组“ap-group1”中。假设RU的MAC地址为60de-4476-e360,并且根据RU的部署位置为RU配置名称,便于从名称上就能够了解RU的部署位置。例如MAC地址为60de-4476-e360的RU部署在1号区域,命名此RU为area_1。
    ap auth-mode命令缺省情况下为MAC认证,如果之前没有修改其缺省配置,可以不用执行ap auth-mode mac-auth。
    
    举例中使用的RU为R240D,具有射频0和射频1两个射频。R240D的射频0为2.4GHz射频,射频1为5GHz射频。
    
    [AP] wlan
    [AP-wlan-view] ap auth-mode mac-auth
    [AP-wlan-view] ap-id 1 ap-mac 60de-4476-e360
    [AP-wlan-ap-1] ap-name area_1
    Warning: This operation may cause AP reset. Continue? [Y/N]:y  
    [AP-wlan-ap-1] ap-group ap-group1
    Warning: This operation may cause AP reset. If the country code changes, it will clear channel, power and antenna gain configuration s of the radio, Whether to continue? [Y/N]:y  
    [AP-wlan-ap-1] quit
    [AP-wlan-view] ap-id 2 ap-mac dcd2-fc04-b500
    [AP-wlan-ap-2] ap-name area_2
    Warning: This operation may cause AP reset. Continue? [Y/N]:y  
    [AP-wlan-ap-2] ap-group ap-group1
    Warning: This operation may cause AP reset. If the country code changes, it will clear channel, power and antenna gain configuration s of the radio, Whether to continue? [Y/N]:y  
    [AP-wlan-ap-2] quit
    # 将RU上电后,当执行命令display ap all查看到RU的“State”字段为“nor”时,表示RU正常上线。
    
    [AP-wlan-view] display ap all
    Total AP information:
    nor  : normal          [2]
    ExtraInfo : Extra information
    P     : insufficient power supply
    ----------------------------------------------------------------------------------------------------------
    ID   MAC            Name      Group     IP            Type                 State STA Uptime      ExtraInfo
    ----------------------------------------------------------------------------------------------------------
    1    60de-4476-e360 area_1    ap-group1 10.23.100.254 R240D                nor   0   15S         -
    2    dcd2-fc04-b500 area_2    ap-group1 10.23.100.253 R240D                nor   0   10S         -
    ----------------------------------------------------------------------------------------------------------
    Total: 2

  4. 配置WLAN业务参数

    
    # 创建名为“wlan-security”的安全模板,并配置安全策略。
    举例中以配置WPA2+PSK+AES的安全策略为例,密码为a1234567,实际配置时请根据实际情况,配置符合实际要求的安全策略。
    
    [AP-wlan-view] security-profile name wlan-security
    [AP-wlan-sec-prof-wlan-security] security wpa2 psk pass-phrase a1234567 aes
    [AP-wlan-sec-prof-wlan-security] quit
    # 创建名为“wlan-ssid”的SSID模板,并配置SSID名称为“wlan-net”。
    
    [AP-wlan-view] ssid-profile name wlan-ssid
    [AP-wlan-ssid-prof-wlan-ssid] ssid wlan-net
    Warning: This action may cause service interruption. Continue?[Y/N]y 
    [AP-wlan-ssid-prof-wlan-ssid] quit
    # 创建名为“wlan-vap1”的VAP模板,配置业务VLAN,并引用安全模板“wlan-security”和SSID模板“wlan-ssid”。
    
    [AP-wlan-view] vap-profile name wlan-vap1
    [AP-wlan-vap-prof-wlan-vap1] service-vlan vlan-id 101
    [AP-wlan-vap-prof-wlan-vap1] security-profile wlan-security
    [AP-wlan-vap-prof-wlan-vap1] ssid-profile wlan-ssid
    [AP-wlan-vap-prof-wlan-vap1] quit
    # 配置AP组引用VAP模板,RU上射频0和射频1都使用VAP模板“wlan-vap”的配置。
    
    [AP-wlan-view] ap-group name ap-group1
    [AP-wlan-ap-group-ap-group1] vap-profile wlan-vap1 wlan 1 radio 0
    [AP-wlan-ap-group-ap-group1] vap-profile wlan-vap1 wlan 1 radio 1
    [AP-wlan-ap-group-ap-group1] quit

  5. 配置RU射频的信道和功率

    射频的信道和功率自动调优功能默认开启,如果不关闭此功能则会导致手动配置不生效。举例中RU射频的信道和功率仅为示例,实际配置中请根据RU的国家码和网规结果进行配置。
    
    # 关闭RU射频0的信道和功率自动调优功能,并配置RU射频0的信道和功率。
    [AP-wlan-view] ap-id 1
    [AP-wlan-ap-1] radio 0
    [AP-wlan-radio-1/0] calibrate auto-channel-select disable
    [AP-wlan-radio-1/0] calibrate auto-txpower-select disable
    [AP-wlan-radio-1/0] channel 20mhz 6
    Warning: This action may cause service interruption. Continue?[Y/N]y 
    [AP-wlan-radio-1/0] eirp 127
    [AP-wlan-radio-1/0] quit
    # 关闭RU射频1的信道和功率自动调优功能,并配置RU射频1的信道和功率。
    [AP-wlan-ap-1] radio 1
    [AP-wlan-radio-1/1] calibrate auto-channel-select disable
    [AP-wlan-radio-1/1] calibrate auto-txpower-select disable
    [AP-wlan-radio-1/1] channel 20mhz 149
    Warning: This action may cause service interruption. Continue?[Y/N]y 
    [AP-wlan-radio-1/1] eirp 127
    [AP-wlan-radio-1/1] quit
    [AP-wlan-ap-1] quit

  6. 验证配置结果

    WLAN业务配置会自动下发给RU,配置完成后,执行命令display vap ssid wlan-net查看VAP信息,当“Status”显示为“ON”时,表示RU对应射频上的VAP已创建成功。
    [AP-wlan-view] display vap ssid wlan-net
    WID : WLAN ID
    --------------------------------------------------------------------------------------
    AP ID AP name        RfID WID  BSSID          Status  Auth type         STA    SSID
    --------------------------------------------------------------------------------------
    1     area_1         0    1    60DE-4476-E360 ON      WPA2-PSK          0      wlan-net
    1     area_1         1    1    60DE-4476-E370 ON      WPA2-PSK          0      wlan-net
    2     area_2         0    1    DCD2-FC04-B500 ON      WPA2-PSK          0      wlan-net
    2     area_2         1    1    DCD2-FC04-B510 ON      WPA2-PSK          0      wlan-net
    ---------------------------------------------------------------------------------------
    Total: 2
    STA在RU_1的覆盖范围内搜索到SSID为“wlan-net”的无线网络,输入密码“a1234567”并正常关联后,在中心AP上执行命令display station ssid wlan-net,查看STA的接入信息,可以看到STA关联到了RU_1,STA的MAC地址为“e019-1dc7-1e08”。
    [AP-wlan-view] display station ssid wlan-net
    Rf/WLAN: Radio ID/WLAN ID
    Rx/Tx: link receive rate/link transmit rate(Mbps)
    ------------------------------------------------------------------------------------
    STA MAC          AP ID Ap name   Rf/WLAN  Band  Type  Rx/Tx      RSSI  VLAN  IP address
    ------------------------------------------------------------------------------------
    e019-1dc7-1e08   1     area_1    1/1      5G    11n   46/59      -57   101   10.23.101.254
    ------------------------------------------------------------------------------------
    Total: 1 2.4G: 0 5G: 1
    当STA从RU_1的覆盖范围移动到RU_2的覆盖范围时,在中心AP上执行命令display station ssid wlan-net,查看STA的接入信息,可以看到STA关联到了RU_2。
    [AP-wlan-view] display station ssid wlan-net
    Rf/WLAN: Radio ID/WLAN ID
    Rx/Tx: link receive rate/link transmit rate(Mbps)
    ------------------------------------------------------------------------------------
    STA MAC          AP ID Ap name   Rf/WLAN  Band  Type  Rx/Tx      RSSI  VLAN  IP address
    ------------------------------------------------------------------------------------
    e019-1dc7-1e08   2     area_2    1/1      5G    11n   46/59      -58   101   10.23.101.254
    ------------------------------------------------------------------------------------
    Total: 1 2.4G: 0 5G: 1
    在中心AP上执行命令display station roam-track sta-mac e019-1dc7-1e08,可以查看该STA的漫游轨迹。
    [AP-wlan-view] display station roam-track sta-mac e019-1dc7-1e08
    Access SSID:wlan-net
    Rx/Tx: link receive rate/link transmit rate(Mbps)  
    s:Same Frequency Network c:PMK Cache Roam r:802.11r Roam
    ------------------------------------------------------------------------------
    L2/L3           AC IP                  AP name              Radio ID
    BSSID           TIME                   In/Out RSSI          Out Rx/Tx
    ------------------------------------------------------------------------------
    --              -                      area_1               1
    60de-4476-e360  2015/02/07 17:48:30    -57/-58              46/65
    L2              -                      area_2               1
    dcd2-fc04-b500  2015/02/07 17:54:50    -58/-                -/-
    ------------------------------------------------------------------------------
    Number: 1

配置文件
Switch_1的配置文件

#
 sysname Switch_1
#
 vlan batch 100
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk pvid vlan 100
 port trunk allow-pass vlan 100
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 100
 #
return
Switch_2的配置文件

#
 sysname Switch_2
#
 vlan batch 100
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk pvid vlan 100
 port trunk allow-pass vlan 100
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 100
 #
return
中心AP的配置文件

#
 sysname AP
#
vlan batch 100 to 101
#
dhcp enable
#
interface Vlanif100
 ip address 10.23.100.1 255.255.255.0
 dhcp select interface
#
interface Vlanif101
 ip address 10.23.101.1 255.255.255.0
 dhcp select interface
#
interface GigabitEthernet0/0/1
 port link-type trunk
 port trunk allow-pass vlan 100
#
interface GigabitEthernet0/0/2
 port link-type trunk
 port trunk allow-pass vlan 100
#
management-vlan 100
#
wlan
 security-profile name wlan-security
  security wpa2 psk pass-phrase %^%#]:krYrz_r<ee}|Cq@9V(W{ZD$"\-R-HD_y.4#U4,%^%# aes
 ssid-profile name wlan-ssid
  ssid wlan-net
 vap-profile name wlan-vap1
  service-vlan vlan-id 101
  ssid-profile wlan-ssid
  security-profile wlan-security
 regulatory-domain-profile name domain
 ap-group name ap-group1
  regulatory-domain-profile domain
  radio 0
   vap-profile wlan-vap1 wlan 1
  radio 1
   vap-profile wlan-vap1 wlan 1
 ap-id 1 type-id 55 ap-mac 60de-4476-e360 ap-sn 210235554710CB000042
  ap-name area_1
  ap-group ap-group1
  radio 0
   channel 20mhz 6
   eirp 127
  radio 1
   channel 20mhz 149
   eirp 127
 ap-id 2 type-id 55 ap-mac dcd2-fc04-b500 ap-sn 210235554710CB000078
  ap-name area_2
  ap-group ap-group1
#
return
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