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1、基本概念
無(wú)線局域網(wǎng)WLAN(Wireless Local Area Network)廣義上是指以無(wú)線電波、激光、紅外線等來(lái)代替有線局域網(wǎng)中的部分或全部傳輸介質(zhì)所構(gòu)成的網(wǎng)絡(luò)
WLAN技術(shù)是基于802.11標(biāo)準(zhǔn)系列的,即利用高頻信號(hào)(例如2.4GHz或5GHz)作為傳輸介質(zhì)的無(wú)線局域網(wǎng)
華為WLAN業(yè)務(wù)的基本概念:
工作站STA(Station):支持802.11標(biāo)準(zhǔn)的終端設(shè)備。例如帶無(wú)線網(wǎng)卡的電腦、支持WLAN的手機(jī)等
無(wú)線控制器AC(Access Controller):在集中式網(wǎng)絡(luò)架構(gòu)中,AC對(duì)無(wú)線局域網(wǎng)中的所有AP進(jìn)行控制和管理。例如,AC可以通過(guò)與認(rèn)證服務(wù)器交互信息來(lái)為WLAN用戶提供認(rèn)證服務(wù)
接入點(diǎn)AP(Access Point):為STA提供基于802.11標(biāo)準(zhǔn)的無(wú)線接入服務(wù),起到有線網(wǎng)絡(luò)和無(wú)線網(wǎng)絡(luò)的橋接作用
瘦接入點(diǎn)FIT AP(FIT Access Point):在集中式網(wǎng)絡(luò)架構(gòu)的瘦接入點(diǎn)(FIT AP)架構(gòu)中提供STA的無(wú)線接入服務(wù),區(qū)別于傳統(tǒng)的FAT AP,只提供可靠、高性能的無(wú)線連接功能,其他的增強(qiáng)功能統(tǒng)一在AC上集中配置
中心AP(Central Access Point):在集中式網(wǎng)絡(luò)架構(gòu)的敏捷分布Wi-Fi方案架構(gòu)中,中心AP代理AC分擔(dān)對(duì)RU的集中管理和協(xié)同功能,如STA上線、配置下發(fā)、RU之間的STA漫游。
遠(yuǎn)端單元RU(Remote unit):在集中式網(wǎng)絡(luò)架構(gòu)的敏捷分布Wi-Fi方案架構(gòu)中,遠(yuǎn)端單元作為中心AP的遠(yuǎn)端射頻模塊,負(fù)責(zé)空口802.11報(bào)文的收發(fā)
無(wú)線接入點(diǎn)控制與規(guī)范CAPWAP(Control And Provisioning of Wireless Access Points):由RFC5415協(xié)議定義的,實(shí)現(xiàn)AP和AC之間的互通的一個(gè)通用封裝和傳輸機(jī)制
射頻信號(hào):提供基于802.11標(biāo)準(zhǔn)的WLAN技術(shù)的傳輸介質(zhì),是具有遠(yuǎn)距離傳輸能力的高頻電磁波。本文指的射頻信號(hào)是2.4G或5G頻段的電磁波。
虛擬接入點(diǎn)VAP(Virtual Access Point):是AP設(shè)備上虛擬出來(lái)的業(yè)務(wù)功能實(shí)體。用戶可以在一個(gè)AP上創(chuàng)建不同的VAP來(lái)為不同的用戶群體提供無(wú)線接入服務(wù)。
服務(wù)集標(biāo)識(shí)符SSID(Service Set Identifier):表示無(wú)線網(wǎng)絡(luò)的標(biāo)識(shí),用來(lái)區(qū)分不同的無(wú)線網(wǎng)絡(luò)。例如,當(dāng)我們?cè)诠P記本電腦上搜索可接入無(wú)線網(wǎng)絡(luò)時(shí),顯示出來(lái)的網(wǎng)絡(luò)名稱就是SSID
2、配置直連二層組網(wǎng)隧道轉(zhuǎn)發(fā)
(1)拓?fù)鋱D
(2)配置參數(shù)規(guī)劃
配置項(xiàng) | 用途 | 數(shù)據(jù) |
---|---|---|
AP管理VLAN | AC與AP通信VLAN | VLAN10 |
STA業(yè)務(wù)VLAN | STA用戶上網(wǎng)通信VLAN | VLAN100 |
DHCP服務(wù)器 | 分發(fā)IP地址 | AC作為DHCP為AP和STA分配IP地址 |
AP地址池 | AP分發(fā)的IP地址池 | 10.0.0.2-10.0.0.254/24 |
STA地址池 | STA分發(fā)的IP地址池 | 100.0.0.3-100.0.0.254/24 |
CAPWAP地址 | AP與AC通用的封裝和傳輸機(jī)制 | VLANIF10:10.0.0.1/24 |
AP組 | 實(shí)現(xiàn)多AP統(tǒng)一管理配置 | ap-group1 引用模板:VAP模板wlan-vap、域管理模板default 射頻模板wlan-radio2g/wlan-radio5g |
域管理模板 | 提供對(duì)AP的國(guó)家碼,調(diào)優(yōu)信道集合和調(diào)優(yōu)帶寬 | default 國(guó)家碼:cn |
SSID | 配置無(wú)線網(wǎng)絡(luò)名稱SSID名稱 | wlan-ssid SSID名稱:test_wifi |
安全模板 | 配置WLAN安全策略,對(duì)終端進(jìn)行身份認(rèn)證 | wlan-security 安全策略:PWA-WPA2 PSK AES SSID密碼:abc123456 |
VAP模板 | 為STA提供無(wú)線接入服務(wù) | wlan-vap 轉(zhuǎn)發(fā)模式:隧道模式 業(yè)務(wù)VLAN:VLAN100 引用模板:SSID:wlan-ssid 安全模板:wlan-security |
射頻模板 | 用于優(yōu)化射頻參數(shù),提供信道切換業(yè)務(wù)不中斷功能 | wlan-radio2g/wlan-radio5g 引用模板:RRM模板:wlan-rrm |
RRM模板 | 動(dòng)態(tài)添加射頻資源來(lái)使用無(wú)線信號(hào)的環(huán)境變化,調(diào)整無(wú)線信號(hào)覆蓋范圍和降低射頻信號(hào)干擾 | wlan-rrm 智能漫游信噪比30和速率百分比30 |
(3)操作步驟
R1路由器:配置GE 0/0/1接口為交換接口并添加VLAN100將接口加入VLAN100,VLANIF100地址100.0.0.1/24,此地址為STA終端的網(wǎng)關(guān)地址
<Huawei>undo terminal monitor #不顯示日志 <Huawei>system-view [Huawei]sysname R1 [R1]user-interface console 0 [R1-ui-console0]idle-timeout 0 0 #不超時(shí) [R1-ui-console0]quit [R1]vlan batch 100 [R1]interface Vlanif 100 [R1-Vlanif100]ip address 100.0.0.1 24 [R1-Vlanif100]undo shutdown [R1-Vlanif100]quit [R1]interface GigabitEthernet 0/0/1 [R1-GigabitEthernet0/0/1]portswitch #轉(zhuǎn)換為交換接口 [R1-GigabitEthernet0/0/1]port link-type trunk #trunk模式 [R1-GigabitEthernet0/0/1]port trunk allow-pass vlan 100 #加入vlan [R1-GigabitEthernet0/0/1]quit
switch交換機(jī):配置接口為trunk,配置GE0/0/2和GE0/0/3缺省VLAN為VLAN 10,并將接口加入到VLAN 10
[Switch]vlan batch 10 [Switch]interface GigabitEthernet 0/0/1 [Switch-GigabitEthernet0/0/1]port link-type trunk [Switch-GigabitEthernet0/0/1]port trunk allow-pass vlan 10 [Switch-GigabitEthernet0/0/1]quit [Switch]port-group 1 #創(chuàng)建端口組 [Switch-port-group-1]group-member GigabitEthernet 0/0/2 to GigabitEthernet 0/0/3 #加入端口 [Switch-GigabitEthernet0/0/3]port link-type trunk #配置接口模板trunk [Switch-port-group-1]port trunk pvid vlan 10 #缺省VLAN [Switch-port-group-1]port trunk allow-pass vlan 10 #加入VLAN [Switch-port-group-1]port-isolate enable #開(kāi)啟端口過(guò)濾 [Switch-port-group-1]quit
AC配置網(wǎng)絡(luò)互通:
[AC]vlan batch 10 100 [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 10 [AC-GigabitEthernet0/0/2]quit
AC配置DHCP服務(wù)器:VLANIF10分發(fā)AP的IP地址,VLANIF100分發(fā)STA的IP地址
[AC]interface Vlanif 10 [AC-Vlanif10]ip address 10.0.0.1 24 [AC-Vlanif10]dhcp select interface [AC-Vlanif10]quit [AC]interface Vlanif 100 [AC-Vlanif100]ip address 100.0.0.2 24 [AC-Vlanif100]dhcp select interface #接口地址池 [AC-Vlanif100]dhcp server gateway-list 100.0.0.1 #STA業(yè)務(wù)網(wǎng)關(guān)地址 [AC-Vlanif100]dhcp server dns-list 8.8.8.8 [AC-Vlanif100]quit [AC]ip route-static 0.0.0.0 0.0.0.0 100.0.0.1 #默認(rèn)路由
AC配置AP上線:
配置AC的源接口CAPWAP
[AC]capwap source interface Vlanif 10
創(chuàng)建AP組:
[AC]wlan [AC-wlan-view]ap-group name ap-group1 [AC-wlan-ap-group-ap-group1]quit
創(chuàng)建域管理模板:
[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 #將域管理模板加入到AP組中 Warning: Modifying the country code will clear channel, power and antenna gain c onfigurations of the radio and reset the AP. Continue?[Y/N]:y [AC-wlan-ap-group-ap-group1]quit
創(chuàng)建SSID模板:
[AC-wlan-view]ssid-profile name wlan-ssid [AC-wlan-ssid-prof-vlan-ssid]ssid test_wifi [AC-wlan-ssid-prof-vlan-ssid]quit
創(chuàng)建安全模板:
[AC-wlan-view]security-profile name wlan-security [AC-wlan-sec-prof-wlan-security]security wpa-wpa2 psk pass-phrase abc123456 aes [AC-wlan-sec-prof-wlan-security]quit
創(chuàng)建VAP模板:
[AC-wlan-view]vap-profile name wlan-vap [AC-wlan-vap-prof-wlan-vap]forward-mode tunnel [AC-wlan-vap-prof-wlan-vap]service-vlan vlan-id 100 [AC-wlan-vap-prof-wlan-vap]security-profile wlan-security [AC-wlan-vap-prof-wlan-vap]ssid-profile wlan-ssid [AC-wlan-vap-prof-wlan-vap]quit
配置AP組引用VAP模板,并在射頻0和1上引用VAP模板
[AC-wlan-view]ap-group name ap-group1 [AC-wlan-ap-group-ap-group1]vap-profile wlan-vap wlan 1 radio 0 [AC-wlan-ap-group-ap-group1]vap-profile wlan-vap wlan 1 radio 1 [AC-wlan-ap-group-ap-group1]quit
#配置AP上線:
[AC-wlan-view]display unauthorized-ap record #查看未確認(rèn)上線AP [AC-wlan-view]ap-confirm all #將所有AP上線 [AC-wlan-view]display ap all #顯示所有上線AP [AC-wlan-view]ap-id 0 #進(jìn)入AP視圖 [AC-wlan-ap-0]ap-name area_1 [AC-wlan-ap-0]ap-group ap-group1 #將AP加入到組 [AC-wlan-ap-0]quit [AC-wlan-view]ap-id 1 [AC-wlan-ap-1]ap-name area_2 [AC-wlan-ap-1]ap-group ap-group1 [AC-wlan-ap-1]quit
創(chuàng)建RRM模板:
[AC-wlan-view]rrm-profile name wlan-rrm [AC-wlan-rrm-prof-wlan-rrm]smart-roam enable [AC-wlan-rrm-prof-wlan-rrm]smart-roam roam-threshold check-snr check-rate [AC-wlan-rrm-prof-wlan-rrm]smart-roam roam-threshold snr 30 [AC-wlan-rrm-prof-wlan-rrm]smart-roam roam-threshold rate 30 [AC-wlan-rrm-prof-wlan-rrm]quit
創(chuàng)建2G射頻模板:并引用RRM模板
[AC-wlan-view]radio-2g-profile name wlan-radio2g [AC-wlan-radio-2g-prof-wlan-radio2g]rrm-profile wlan-rrm [AC-wlan-radio-2g-prof-wlan-radio2g]quit
創(chuàng)建5G射頻模板:并引用RRM模板
[AC-wlan-view]radio-5g-profile name wlan-radio5g [AC-wlan-radio-5g-prof-wlan-radio5g]rrm-profile wlan-rrm [AC-wlan-radio-5g-prof-wlan-radio5g]quit
在AP組中引用2G和5G模板
[AC-wlan-view]ap-group name ap-group1 [AC-wlan-ap-group-ap-group1]radio-2g-profile wlan-radio2g radio 0 Warning: This action may cause service interruption. Continue?[Y/N]y [AC-wlan-ap-group-ap-group1]radio-5g-profile wlan-radio5g radio 1 Warning: This action may cause service interruption. Continue?[Y/N]y [AC-wlan-ap-group-ap-group1]quit
驗(yàn)證結(jié)果:
查看VAP射頻模板應(yīng)用
<AC>display vap all Info: This operation may take a few seconds, please wait. WID : WLAN ID ------------------------------------------------------------------------------ AP ID AP name RfID WID BSSID Status Auth type STA SSID ------------------------------------------------------------------------------ 0 area_1 0 1 00E0-FC51-74B0 ON WPA/WPA2-PSK 0 test_wifi 0 area_1 1 1 00E0-FC51-74C0 ON WPA/WPA2-PSK 0 test_wifi 1 area_2 0 1 00E0-FC1D-1390 ON WPA/WPA2-PSK 0 test_wifi 1 area_2 1 1 00E0-FC1D-13A0 ON WPA/WPA2-PSK 0 test_wifi ------------------------------------------------------------------------------ Total: 4
查看已連接的STA客戶端
[AC]display station ssid test_wifi 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 a ddress -------------------------------------------------------------------------------- --------- 5489-9875-54a4 1 area_2 0/1 2.4G - -/- - 100 100. 0.0.21 5489-988d-6dc9 0 area_1 1/1 5G 11a 0/0 - 100 100. 0.0.90 -------------------------------------------------------------------------------- --------- Total: 2 2.4G: 1 5G: 1
查看智能漫游配置
[AC]display rrm-profile name wlan-rrm ------------------------------------------------------------ ...... Smart-roam : enable Smart-roam check SNR : enable Smart-roam standing SNR threshold(dB) : 30 Smart-roam SNR quick-kickoff-threshold(dB) : 15 Smart-roam check rate : enable AMC policy : auto-balance Smart-roam rate threshold(%) : 30 Smart-roam rate quick-kickoff-threshold(%) : 20 Smart-roam high level SNR margin(dB) : 15 Smart-roam low level SNR margin(dB) : 6 Smart-roam SNR check interval(s) : 3 Smart-roam unable roam client expire time(m) : 120 Zero-roam roam check high threshold : 40 Zero-roam roam check low threshold : 35 Zero-roam roam check interval(ms) : 700 Zero-roam report interval(ms) : 400 ------------------------------------------------------------
結(jié)果截圖:
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