WLAN V200R019C00 典型配置案例集

配置直连二层组网隧道转发示例

配置直连二层组网隧道转发示例

业务需求

企业用户通过WLAN接入网络,以满足移动办公的最基本需求。且在覆盖区域内移动发生漫游时,不影响用户的业务使用。

组网需求

  • AC组网方式:直连二层组网。
  • DHCP部署方式:AC作为DHCP服务器为AP和STA分配IP地址。
  • 业务数据转发方式:隧道转发。
图4-16 配置直连二层组网隧道转发示例组网图

数据规划

表4-12 AC数据规划表

配置项

数据

AP管理VLAN

VLAN100

STA业务VLAN

VLAN101

DHCP服务器

AC作为DHCP服务器为AP和STA分配IP地址

AP的IP地址池

10.23.100.2~10.23.100.254/24

STA的IP地址池

10.23.101.3~10.23.101.254/24

AC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-net、域管理模板default

域管理模板

  • 名称:default
  • 国家码:中国

SSID模板

  • 名称:wlan-net
  • SSID名称:wlan-net

安全模板

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

VAP模板

  • 名称:wlan-net
  • 转发模式:隧道转发
  • 业务VLAN:VLAN101
  • 引用模板:SSID模板wlan-net、安全模板wlan-net

配置思路

  1. 配置AP、AC和周边网络设备之间实现网络互通。
  2. 配置AP上线。
    1. 创建AP组,用于将需要进行相同配置的AP都加入到AP组,实现统一配置。
    2. 配置AC的系统参数,包括国家码、AC与AP之间通信的源接口。
    3. 配置AP上线的认证方式并离线导入AP,实现AP正常上线。
  3. 配置WLAN业务参数,实现STA访问WLAN网络功能。

配置注意事项

  • 纯组播报文由于协议要求在无线空口没有ACK机制保障,且无线空口链路不稳定,为了纯组播报文能够稳定发送,通常会以低速报文形式发送。如果网络侧有大量异常组播流量涌入,则会造成无线空口拥堵。为了减小大量低速组播报文对无线网络造成的冲击,建议配置组播报文抑制功能。配置前请确认是否有组播业务,如果有,请谨慎配置限速值。
    • 业务数据转发方式采用直接转发时,建议在直连AP的交换机接口上配置组播报文抑制。
    • 业务数据转发方式采用隧道转发时,建议在AC的流量模板下配置组播报文抑制。
    配置方法请参见:如何配置组播报文抑制,减小大量低速组播报文对无线网络造成的冲击?
  • 建议在与AP直连的设备接口上配置端口隔离,如果不配置端口隔离,尤其是业务数据转发方式采用直接转发时,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。

  • 隧道转发模式下,管理VLAN和业务VLAN不能配置为同一VLAN,且AP和AC之间只能放通管理VLAN,不能放通业务VLAN。

操作步骤

  1. 配置周边设备

    # 配置接入交换机Switch的GE0/0/1和GE0/0/2接口加入VLAN100,GE0/0/1的缺省VLAN为VLAN100。
    <HUAWEI> system-view
    [HUAWEI] sysname Switch
    [Switch] vlan batch 100
    [Switch] interface gigabitethernet 0/0/1
    [Switch-GigabitEthernet0/0/1] port link-type trunk
    [Switch-GigabitEthernet0/0/1] port trunk pvid vlan 100
    [Switch-GigabitEthernet0/0/1] port trunk allow-pass vlan 100
    [Switch-GigabitEthernet0/0/1] port-isolate enable
    [Switch-GigabitEthernet0/0/1] quit
    [Switch] interface gigabitethernet 0/0/2
    [Switch-GigabitEthernet0/0/2] port link-type trunk
    [Switch-GigabitEthernet0/0/2] port trunk allow-pass vlan 100
    [Switch-GigabitEthernet0/0/2] quit
    # 配置Router的接口GE1/0/0加入VLAN101,创建接口VLANIF101并配置IP地址为10.23.101.2/24。
    <Huawei> system-view
    [Huawei] sysname Router
    [Router] vlan batch 101
    [Router] interface gigabitethernet 1/0/0
    [Router-GigabitEthernet1/0/0] port link-type trunk
    [Router-GigabitEthernet1/0/0] port trunk allow-pass vlan 101
    [Router-GigabitEthernet1/0/0] quit
    [Router] interface vlanif 101
    [Router-Vlanif101] ip address 10.23.101.2 24
    [Router-Vlanif101] quit

  2. 配置AC与其它网络设备互通

    如果AC直接连接AP,需要在AC直连AP的接口上配置缺省VLAN为管理VLAN100。

    # 配置AC的接口GE0/0/1加入VLAN100,接口GE0/0/2加入VLAN101。
    <HUAWEI> system-view
    [HUAWEI] sysname AC
    [AC] vlan batch 100 101
    [AC] interface gigabitethernet 0/0/1
    [AC-GigabitEthernet0/0/1] port link-type trunk
    [AC-GigabitEthernet0/0/1] port trunk allow-pass vlan 100
    [AC-GigabitEthernet0/0/1] quit
    [AC] interface gigabitethernet 0/0/2
    [AC-GigabitEthernet0/0/2] port link-type trunk
    [AC-GigabitEthernet0/0/2] port trunk allow-pass vlan 101
    [AC-GigabitEthernet0/0/2] quit

  3. 配置DHCP服务器为STA和AP分配IP地址

    # 在AC上配置VLANIF100接口为AP提供IP地址,配置VLANIF101接口为STA提供IP地址,并配置下一跳为Router的缺省路由。
    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>。
    [AC] dhcp enable
    [AC] interface vlanif 100
    [AC-Vlanif100] ip address 10.23.100.1 24
    [AC-Vlanif100] dhcp select interface
    [AC-Vlanif100] quit
    [AC] interface vlanif 101
    [AC-Vlanif101] ip address 10.23.101.1 24
    [AC-Vlanif101] dhcp select interface
    [AC-Vlanif101] dhcp server excluded-ip-address 10.23.101.2
    [AC-Vlanif101] quit
    [AC] ip route-static 0.0.0.0 0.0.0.0 10.23.101.2

  4. 配置AP上线

    # 创建AP组,用于将相同配置的AP都加入同一AP组中。
    [AC] wlan
    [AC-wlan-view] ap-group name ap-group1
    [AC-wlan-ap-group-ap-group1] quit
    # 创建域管理模板,在域管理模板下配置AC的国家码并在AP组下引用域管理模板。
    [AC-wlan-view] regulatory-domain-profile name default
    [AC-wlan-regulate-domain-default] country-code cn
    [AC-wlan-regulate-domain-default] quit
    [AC-wlan-view] ap-group name ap-group1
    [AC-wlan-ap-group-ap-group1] regulatory-domain-profile default
    Warning: Modifying the country code will clear channel, power and antenna gain configurations of the radio and reset the AP. Continue?[Y/N]:y  
    [AC-wlan-ap-group-ap-group1] quit
    [AC-wlan-view] quit
    # 配置AC的源接口。

    V200R021C00版本开始,配置CAPWAP源接口或源地址时,会检查和安全相关的配置是否已存在,包括DTLS加密的PSK、AC间DTLS加密的PSK、登录AP的用户名和密码、全局离线管理VAP的登录密码,均已存在才能成功配置,否则会提示用户先完成相关的配置。

    [AC] capwap source interface vlanif 100
    Set the DTLS PSK(contains 6-32 plain-text characters, or 48 or 68 cipher-text characters that must be a combination of at least two of the following: lowercase letters a to z, uppercase letters A to Z, digits, and special characters):******
    
    Set the DTLS inter-controller PSK(contains 6-32 plain-text characters, or 48 or 68 cipher-text characters that must be a combination of at least two of the following: lowercase letters a to z, uppercase letters A to Z, digits, and special characters):******
    
    Set the user name for FIT APs(contains 4-31 plain-text characters, which can only include letters, digits and underlines. And the first character must be a letter):admin
    
    Set the password for FIT APs(plain-text password of 8-128 characters or cipher-text password of 48-188 characters that must be a combination of at least three of the following: lowercase letters a to z, uppercase letters A to Z, digits, and special characters):********
    
    Set the global temporary-management psk(contains 8-63 plain-text characters, or 48-108 cipher-text characters that must be a combination of at least two of the following: lowercase letters a to z, uppercase letters A to Z, digits, and special characters):********
    # 开启CAPWAP DTLS不认证方式。(V200R021C00及之后版本)
    [AC] capwap dtls no-auth enable

    V200R021C00版本开始,AC默认开启CAPWAP控制隧道的DTLS加密功能。开启该功能,添加AP时AP会上线失败,此时需要先开启CAPWAP DTLS不认证方式让AP上线,以便AP获取安全凭证,AP上线后应及时关闭该功能,避免未授权AP上线。

    # 在AC上离线导入AP,并将AP加入AP组“ap-group1”中。假设AP的MAC地址为60de-4476-e360,并且根据AP的部署位置为AP配置名称,便于从名称上就能够了解AP的部署位置。例如MAC地址为60de-4476-e360的AP部署在1号区域,命名此AP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AP为AP5030DN,具有射频0和射频1两个射频。AP5030DN的射频0为2.4GHz射频,射频1为5GHz射频。

    [AC] wlan
    [AC-wlan-view] ap auth-mode mac-auth
    [AC-wlan-view] ap-id 0 ap-mac 60de-4476-e360
    [AC-wlan-ap-0] ap-name area_1
    Warning: This operation may cause AP reset. Continue? [Y/N]:y  
    [AC-wlan-ap-0] 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  
    [AC-wlan-ap-0] quit
    # 将AP上电后,当执行命令display ap all查看到AP的“State”字段为“nor”时,表示AP正常上线。
    [AC-wlan-view] display ap all
    Total AP information:
    nor  : normal          [1]
    Extra information:
    P  : insufficient power supply
    --------------------------------------------------------------------------------------------------
    ID   MAC            Name   Group     IP            Type            State STA Uptime      ExtraInfo
    --------------------------------------------------------------------------------------------------
    0    60de-4476-e360 area_1 ap-group1 10.23.100.254 AP5030DN        nor   0   10S         -
    --------------------------------------------------------------------------------------------------
    Total: 1
    # 关闭CAPWAP DTLS不认证方式。(V200R021C00及之后版本)
    [AC-wlan-view] quit
    [AC] undo capwap dtls no-auth enable
    [AC] wlan

  5. 配置WLAN业务参数

    # 创建名为“wlan-net”的安全模板,并配置安全策略。

    举例中以配置WPA-WPA2+PSK+AES的安全策略为例,密码为“a1234567”,实际配置中请根据实际情况,配置符合实际要求的安全策略。

    [AC-wlan-view] security-profile name wlan-net
    [AC-wlan-sec-prof-wlan-net] security wpa-wpa2 psk pass-phrase a1234567 aes
    [AC-wlan-sec-prof-wlan-net] quit
    # 创建名为“wlan-net”的SSID模板,并配置SSID名称为“wlan-net”
    [AC-wlan-view] ssid-profile name wlan-net
    [AC-wlan-ssid-prof-wlan-net] ssid wlan-net
    [AC-wlan-ssid-prof-wlan-net] quit
    # 创建名为“wlan-net”的VAP模板,配置业务数据转发模式、业务VLAN,并且引用安全模板和SSID模板。
    [AC-wlan-view] vap-profile name wlan-net
    [AC-wlan-vap-prof-wlan-net] forward-mode tunnel
    [AC-wlan-vap-prof-wlan-net] service-vlan vlan-id 101
    [AC-wlan-vap-prof-wlan-net] security-profile wlan-net
    [AC-wlan-vap-prof-wlan-net] ssid-profile wlan-net
    [AC-wlan-vap-prof-wlan-net] quit
    # 配置AP组引用VAP模板,AP上射频0和射频1都使用VAP模板“wlan-net”的配置。
    [AC-wlan-view] ap-group name ap-group1
    [AC-wlan-ap-group-ap-group1] vap-profile wlan-net wlan 1 radio 0
    [AC-wlan-ap-group-ap-group1] vap-profile wlan-net wlan 1 radio 1
    [AC-wlan-ap-group-ap-group1] quit

  6. 配置AP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AP射频的信道和功率仅为示例,实际配置中请根据AP的国家码和网规结果进行配置。

    # 关闭AP射频0的信道和功率自动调优功能,并配置AP射频0的信道和功率。
    [AC-wlan-view] ap-id 0
    [AC-wlan-ap-0] radio 0
    [AC-wlan-radio-0/0] calibrate auto-channel-select disable
    [AC-wlan-radio-0/0] calibrate auto-txpower-select disable
    [AC-wlan-radio-0/0] channel 20mhz 6
    Warning: This action may cause service interruption. Continue?[Y/N]y 
    [AC-wlan-radio-0/0] eirp 127
    [AC-wlan-radio-0/0] quit
    # 关闭AP射频1的信道和功率自动调优功能,并配置AP射频1的信道和功率。
    [AC-wlan-ap-0] radio 1
    [AC-wlan-radio-0/1] calibrate auto-channel-select disable
    [AC-wlan-radio-0/1] calibrate auto-txpower-select disable
    [AC-wlan-radio-0/1] channel 20mhz 149
    Warning: This action may cause service interruption. Continue?[Y/N]y 
    [AC-wlan-radio-0/1] eirp 127
    [AC-wlan-radio-0/1] quit
    [AC-wlan-ap-0] quit

  7. 验证配置结果

    WLAN业务配置会自动下发给AP,配置完成后,通过执行命令display vap ssid wlan-net查看如下信息,当“Status”项显示为“ON”时,表示AP对应的射频上的VAP已创建成功。

    [AC-wlan-view] display vap ssid wlan-net
    WID : WLAN ID
    --------------------------------------------------------------------------------
    AP ID AP name RfID WID   BSSID          Status  Auth type     STA   SSID
    --------------------------------------------------------------------------------
    0     area_1  0    1     60DE-4476-E360 ON      WPA/WPA2-PSK  0     wlan-net
    0     area_1  1    1     60DE-4476-E370 ON      WPA/WPA2-PSK  0     wlan-net
    -------------------------------------------------------------------------------
    Total: 2

    STA搜索到名为“wlan-net”的无线网络,输入密码“a1234567”并正常关联后,在AC上执行display station ssid wlan-net命令,可以查看到用户已经接入到无线网络“wlan-net”中。

    [AC-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  0     area_1    1/1      5G    11n   46/59      -68   101   10.23.101.254
    ---------------------------------------------------------------------------------
    Total: 1 2.4G: 0 5G: 1

配置文件

  • Switch的配置文件

    #
    sysname Switch
    #
    vlan batch 100
    #
    interface GigabitEthernet0/0/1
     port link-type trunk
     port trunk pvid vlan 100
     port trunk allow-pass vlan 100
     port-isolate enable group 1
    #
    interface GigabitEthernet0/0/2
     port link-type trunk
     port trunk allow-pass vlan 100
    #
    return
  • Router的配置文件

    #
    sysname Router
    #
    vlan batch 101
    #
    interface Vlanif101
     ip address 10.23.101.2 255.255.255.0
    #
    interface GigabitEthernet1/0/0
     port link-type trunk
     port trunk allow-pass vlan 101
    #
    return
    
  • AC的配置文件

    #
     sysname AC
    #
    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
     dhcp server excluded-ip-address 10.23.101.2
    #
    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 101
    #
    ip route-static 0.0.0.0 0.0.0.0 10.23.101.2
    #
    capwap source interface vlanif100
    #
    wlan
     security-profile name wlan-net
      security wpa-wpa2 psk pass-phrase %^%#m"tz0f>~7.[`^6RWdzwCy16hJj/Mc!,}s`X*B]}A%^%# aes
     ssid-profile name wlan-net
      ssid wlan-net
     vap-profile name wlan-net
      forward-mode tunnel
      service-vlan vlan-id 101
      ssid-profile wlan-net
      security-profile wlan-net
     regulatory-domain-profile name default
     ap-group name ap-group1
      radio 0
       vap-profile wlan-net wlan 1
      radio 1
       vap-profile wlan-net wlan 1
     ap-id 0 type-id 35 ap-mac 60de-4476-e360 ap-sn 210235554710CB000042
      ap-name area_1
      ap-group ap-group1
      radio 0
       channel 20mhz 6
       eirp 127
       calibrate auto-channel-select disable  
       calibrate auto-txpower-select disable
      radio 1
       channel 20mhz 149
       eirp 127
       calibrate auto-channel-select disable
       calibrate auto-txpower-select disable
    #
    return
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