Intellinet 525497 manual

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Table of contents for the manual

  • Page 1

    W ireless 150N O utdoor Range Extender / Access Point User Manu al Model 525497 INT - 525497 - UM - 1013 - 01[...]

  • Page 2

    2 Table of Conte nts 1. Terminology .............................................................................................................. 5 2. Introduction .............................................................................................................. 7 2.1 Package Content ....................................................[...]

  • Page 3

    3 4.3.5.2 Port Forwarding ..................................................................... 65 4.3.5.3 DMZ ........................................................................................ 67 4.3.5.4 System Security ...................................................................... 68 4.3.5.5 Content Filtering .......................[...]

  • Page 4

    4 5.17 What is 802.1x Authentication? ................................................................ 80 5.18 What is Temporal Key Integrity Protocol (TKIP)? ................................ 81 5.19 What is Advanced Encryption Standard (AES)? ................................... 81 5.20 What is Inter-Access Point Protocol (IAPP)? ..................[...]

  • Page 5

    5 1. Terminology 3DES Triple Data Encryp tion Sta ndard AES Advance d Encr yption Stan dard ANSI America n Nati onal Standa rds I nstit ute AP Access Point CCK Complement ary Code Keying CSMA/CA Carrier Sense Multiple Access/C ollision Av oidance CSMA/CD Carrier Sense Multipl e Acces s/Colli sion De tecti on DDNS Dynamic Domain Name Se rver DH Diff[...]

  • Page 6

    6 TKIP Temporal Key Integri ty Proto col UP n P Univer sal P lug a nd Pla y VPN Virtu al Pr ivate Networ k WDS Wire les s Di str ibu tio n Sy ste m WEP Wire d Eq uiv alen t P riv acy WLAN Wire les s Lo cal Are a Ne twor k WPA Wi - Fi Prot ected Access[...]

  • Page 7

    7 2. Introduction Th is Intellinet Netw ork Solutions Wirel es s 1 50N Ou tdo or Ra nge Ex te nde r / Acc ess P oin t (AP) serves multiple purposes — an a ccess p oint for y our w ireless n etwork suppo rting wire less br idge for poi nt - to - point connecti ons or WDS setups, an integrat ed antenna f or long ran ge transm ission s — a nd brin[...]

  • Page 8

    8 2. 3 Rear P anel De scription LED Indicat or State Descri ption ON The WLAN Broadband Router i s p owered ON. 1. PWR LED O f f The WLAN Broadband Router i s powered Off. ON Wire les s Ra dio O n . Off Wire les s Ra dio Off . 2. WLAN LED Flashing Data is t ransmit ting or r eceivi ng on the wirel ess. ON Port lin ked. Off No li nk. 3. WAN L ED Fla[...]

  • Page 9

    9 2.3 Front Panel Desc ript ion Interfaces Descri ption SMA connector For an external antenna. You can use the SMA connector to connect with a n external 2.4 Ghz ant enna. Secondary (m iddle) The RJ 45 sockets allow LAN connection thr ough Category 5 cables. Support s auto - sensing on 10/1 00M sp eed and ha lf/ full duple x; compl ie s with IEEE 8[...]

  • Page 10

    10 3. Hardware Installat ion 3.1 Appearance and Interface Introduction Note: The p roduct image s are for refer ence o nly; refer to the actua l product. 1. LED Panel 2. Wat erpr oof s liding cover 3. Passt h rough for Ethernet cable 4. Push thi s button to remove the upper housi ng[...]

  • Page 11

    11 5. Pole Mount 6. Wal l Mount 7. Secondary port with P oE 8. Main port 9. SMA connector for external anten na 10. Reset button[...]

  • Page 12

    12 3.2 Hardware Installation Steps Step 1: Push the button o n the side t o remove upper housing. Step 2: Pass Ether net cable through the hole; ins ert the cable into the s econdary port. Note: RJ - 45 8P8C Ethernet cable is required.[...]

  • Page 13

    13 Step 3: Instal l the upper housi ng and make sure the housing is well installed. Step 4: Complet e the hardware insta llati on as shown below . Install P o E Injector DC: In sert adapt er Po E: This jack is linked to the s econdary port of the AP wit h RJ 45. LAN: This jack is linked to the LAN side of a PC/ h ub or router/ADSL modem de vice wit[...]

  • Page 14

    14 4. Software Configurati on There are W eb - based management and configuration funct ions allowing you to use this devi ce more easily. The AP is delivered with th e followin g factory d efault param eters on th e Ethernet L AN in terfaces. Defaul t IP a ddress: 192.138.2.1 Defaul t IP subnet mask: 255.255.255.0 W eb log in u ser n ame: admin W [...]

  • Page 15

    15 4.1 Prepare your PC to confi gure the WLAN Broadband Router For Windows 200 0/ XP: 1. Click the Start button and select Setti ngs, then cli ck Control Panel . The Control Panel window will appear. 2. D ouble - click the right mous e button on the Network and Dial - up Connections icon. D ouble - click the Local Area Conne ction icon. The Local A[...]

  • Page 16

    16 4.2 Connect to the AP Open a W eb browser — i.e. , Microso ft Internet Ex plorer 6.1 S P1 or abo ve — then ente r 192.168.2.1 i n the URL field to connect th e WLA N Broa dband R outer. 4.3 Ma nagement and configuration o f the AP 4.3.1 Wizard Th e setup wizard will be changed when you select diffe rent operatio n mode s. 4.3.1.1 Bridge Mode[...]

  • Page 17

    17 Step 2: C onfigure Wireless Settings There are four options (D isable, Open - W EP, Shar ed - WEP, WPA - PSK/WPA 2 - PSK) for the wir eless security connection. Item Descri ption Network Band Click to sel ect a wirel ess band from pull - down menu. Network Mode Click to sel ect a wi reles s mode from pull - down menu. Frequency (Chann el) Select[...]

  • Page 18

    18 OPEN WEP SHARED WEP[...]

  • Page 19

    19 WPA - PSK WPA2 - PSK When you finish t hese settings, click Apply to save. Choose e ither Client or WDS, then click Ne xt to go to S tep 3.[...]

  • Page 20

    20 Step 3: a. Configure AP Client Mode Sett ings b. Configure WDS Mode Settings[...]

  • Page 21

    21 4.3.1.2 Gateway Mode This mode is for home networking. The Setup Wizard will guide you to configure the device to connect to your ISP (Internet Service Provider). Step 1: C onfigure LAN I P addres s sett ings[...]

  • Page 22

    22 Step 2 : C onfigure the I nternet connect ion Click Next to go to the next step for Internet connection sett ings. There are five options ( DHCP, Static Mode, PPP OE, L2TP, PP TP) for Int ern et conn ecti on on the WAN port. a. DHCP (Auto Configure) If you select the DHCP option, click N ext to jump to S tep 3.[...]

  • Page 23

    23 b. Static Mode (fixed IP) If you select Static Mode (fi xed IP) , fill in these fields . Item Descri ption IP Address Fill in the IP a ddress for the WAN in ter face . Subnet Mask Fill in the subnet mask for the WAN int erf ace . De fault Gateway Fill in the defaul t gateway f or WAN interface out going data packets. Primary DNS Server Fill in t[...]

  • Page 24

    24 c. PPPOE (ADSL) If you select PPPOE , fill in these field s . Item Descri ption User Na me If you select the PPP oE support on the WAN inte rfa ce, fi l l in the user name to log in to the PPPoE server. Password If you se lect the P PPoE su pport on the WAN i nter fac e, fil l in the pas swor d t o log in to the PPPoE server. Verify Pass word Fi[...]

  • Page 25

    25 d. L2TP If you select L2TP , f ill in these field s . Item Descri ption L2TP Server IP Address Allows you to make a tunne l with a remote site dire ctly to secure the data trans mission among the connection. You can use embed ded L2 TP client suppo rted by this device to make a VPN co nnecti on. If yo u sel ect the L 2TP su pport on WAN inter fa[...]

  • Page 26

    26 e. PPTP If you select PPTP , fill in t hese fields . Item Descri ption PPTP Server I P Address Allo w s you to make a tun nel with a rem ote site directly to secure the data transmissio n among the conne ction. You can use em bedded PPTP c lient supported by this device to make a VP N conn ection. If yo u select the P PTP support on the WAN in t[...]

  • Page 27

    27 Step 3 : C onfigure Wireless Settings There are three options (Disable, WEP, WPA - PSK/WPA2 - PSK) for the Wire les s s ecur ity co nnec tio n. Item Descri ption Network Band Click to sel ect wi reless band from pull - down menu. Ne twork Mo de Click to sel ect wi reless mode fr om pull - down menu. Frequency (Chann el) Select t he wireless comm[...]

  • Page 28

    28 OPEN WEP SHARED WEP[...]

  • Page 29

    29 WPA - PSK WPA2 - PSK When you finish t hese settings, click Ap ply to save. Choose e ither Client or WDS, then click Ne xt to go to S tep 3.[...]

  • Page 30

    30 4.3.1.3 WISP Mod e This mode is for home networking. The Setup Wizard will guide you to configure the device to connect to your ISP (Internet Service Provider). Step 1: C onfigure LAN I P address s ettings[...]

  • Page 31

    31 Step 2 : C onfigure Internet connection Click Next to go to the Internet conn ection setting s. There are five option s (DHC P, Static M ode, PPPOE, L2TP, PPTP) f or Interne t connecti on on the WAN port. a. DHCP (Auto Configure) If you s elect DHCP option, click Next to jump to S tep 3.[...]

  • Page 32

    32 b. Static Mode (fixed IP) If you select Static Mode (fi xed IP) , fill in these fields . Item Descri ption IP Address Fill in the IP a ddress for the WAN in ter face . Subnet Mask Fill in the subnet mask f or the WAN int erf ace. Defaul t Gat eway Fill in the defaul t gateway f or WAN interface out going data packets. Primary DNS Server Fill in [...]

  • Page 33

    33 c. PPPOE (ADSL) If you select PPPOE , f ill in th ese fields . Item Descri ption User Na me If you select the PPP oE support on W AN interfac e, fi ll in the user nam e to log in to the PPP oE serve r. Password If you select the PPP oE support on W AN interfac e, fill in the password to log in to the PPP oE server. Verify Pass word Fill in the p[...]

  • Page 34

    34 d. L2TP If you select L2TP , f ill in these field s . Item Descri ption L2TP Server IP Address Allows you to make a tunne l with remo te site directly to secure the data transm ission among the connection. You can use embed ded L2T P client sup ported by this device to make a VPN co nnecti on. If yo u sel ect the L 2TP su pport on WAN inter face[...]

  • Page 35

    35 e. PPTP If you select PPTP , f ill in the se fields . Item Descri ption PPTP Server IP Address Allows you to make a tunne l with remo te site directly to secure the data transmissio n among the conne ction. You can use embedded PPTP client supported by this device to make a VP N conn ection. If yo u select the P PTP support on the WAN in ter fac[...]

  • Page 36

    36 Step 3 : C onfigure Wireless Settings There are five option s (Disable, OPENWEP , WPA - PSK WPA2 - PSK ) for the Wirele ss sec uri ty connection. Item Descri ption Network Band Click to sel ect wi reless band from pull - down menu. Network Mode Click to sel ect wi reless mode fr om pull - down menu. Frequency (Chann el) Select t he wireless comm[...]

  • Page 37

    37 O PEN WEP When you finish t hese settings, click Next to jump to Step 4 . SHARED WEP When you finish t hese settings, click Next to jump to Step 4 .[...]

  • Page 38

    38 WPA - PSK W hen you finish these set tings, click Ne xt to jump to Step 4.[...]

  • Page 39

    39 WPA2 - PSK Item Descri ption Network Band Click to sel ect wi reless band from pull - down menu. Network Mode Click to select wireless mo de from p ull - down menu. Frequency (Chann el) Select t he wireless communication frequency/chan nel from pul l - down menu. Network Name ( SSID) It is the wireless network n ame. The SS ID can be 32 by tes l[...]

  • Page 40

    40 Step 4. Confi gure AP Client setting SCAN APs[...]

  • Page 41

    41 4.3.2 Operation Mode a. Bridge: Bridge mode allows all Ethernet and wireless interfaces to be bridged into a single bridg e interface. b. Gateway: Gateway mode allo ws the firs t Ethernet po rt to be treate d as a WAN port. T he Ethernet port and the wireless int erface are bridged together and are treated as LAN ports.[...]

  • Page 42

    42 c. Wireless ISP The Wir ele ss IS P mod e all ows t hat the wi rele ss i nterf ace i s tr eated as a WAN por t, and the Et hern et ports are LAN ports.[...]

  • Page 43

    43 4.3.3 Internet Settings 4.3.3.1 WAN a. STATIC Item Des cription IP Address Fill in the IP a ddress for the WAN in ter face . Subnet Mask Fill in the subnet mask for the WAN int erf ace . Defaul t Gat eway Fill in the defaul t gateway f or WAN interface out going data packets. Primary DNS Server Fill in the IP a ddress of Domain N ame Se rver 1. [...]

  • Page 44

    44 b. DHCP Item Descri ption Hostna me Fill in the host na me for the DHC P server. T he default v alue is em pty. MAC Cl one Us e the NIC M AC a ddress of th e PC on the LAN side as the MAC addr ess of the WAN i nter fac e.[...]

  • Page 45

    45 . PPPoE Item Descri ption User Na me If you select the PPP oE support on the W AN in terface, fill in th e user nam e to log in to the PPPoE server. Password If y ou select the P PPoE support on the W A N i n t e r f a c e , f i l l i n t h e p a s s w o r d t o log in to the PPPoE server. Verify Pass word Fill in the passwor d again for verific[...]

  • Page 46

    46 d. L2TP Item Descri ption Server IP Allows you to ma ke a tunnel with a rem ote site d irectly to se cure the data transmissi on among the connection s . You c a n u s e e m b e d d e d L 2 T P c l i e n t supported by this device to make a VP N conn ection. If you select the L2T P support on the W AN inte rface, fill in the IP address for it. U[...]

  • Page 47

    47 e. PPTP Item Descri ption Server IP Allows you t o m a k e a t u n n e l w i t h a remote site directly to secure the data transmissio n among the connection. You c a n u s e e m b e d d e d P P T P c l i e n t supported by this device to make a VP N conn ection. If you select the PPT P support on the W AN in terface, fill in the IP address for [...]

  • Page 48

    48 4.3.3.2 LAN Item Descri ption MAC Ad dres s Use t he NIC MA C addre ss of a PC on the LAN s ide as the M AC ad dress of t he WAN i nter fac e. IP Address Fill in the IP a ddress for the WA N interface . Subnet Mask Fill in the subnet mask for the WAN interface . DHCP Type Disabl e: Dis able the DHC P server o n LAN side. Server: Enable the DH CP[...]

  • Page 49

    49 4.3.3.3 VPN Passthrough Item Descri ption L2TP Passth rough Select enable or disable the L2TP pas s through fu nction from pull - down menu. IPSec Passthrou gh Select e nabl e or disable the IPSec pass through function f rom pull - dow n menu. PPTP Passthrough Select enable or disable the PPTP pass through func tion from pull - down menu.[...]

  • Page 50

    50 4.3.4 Wireless Settings 4.3.4.1 Basic Item Descri ption Wire les s On /Off Click Wirel ess OFF to turn off the wireles s RF r adio. Clic k Wir ele ss O N to turn on the wireless RF rad io. Antenna Swit ch Select In ternal ant enna or Ext ernal ante nna. The defa ult is Internal antenn a. Wire les s Mo de Click to sel ect a wi reles s mode from p[...]

  • Page 51

    51 connection between a wirel ess clien t and this device . BSSID Show the MAC address of the wireless interfac e. Frequency (Channel) Select t he wireless communication frequen cy/channel from the pull - down menu. Operat ing Mod e Select “Mixe d Mode” for 11b/ g/n mode or “Green Field ” for 11n mode . Channel Bandwidt h Select t he operat[...]

  • Page 52

    52 4.3.4.2 Advanced Item Descri ption Bea con Interval Beacons are t he pack ets se nt by the a ccess point to synchronize the wireless network. The beacon i nterval is t he time interva l between beacons sen t by this unit in AP or AP+WDS operation. The default and recommended beacon interval is 100 millisecon ds. Data Beacon Rate (DTM) This is th[...]

  • Page 53

    53 can be useful in areas where many client devices are associating with the device, or i n areas where the client s are far apart and can detect only the device and not each other. You can enter a set ting ranging from 0 to 2347 bytes. TX Power The de fault TX power is 100%. In cases where you’re sh ortening the distance and the coverage of the [...]

  • Page 54

    54 4.3.4.3 Security a. Disable If you set Security M ode to Disable , the wire less data trans mission w ill not inclu de encryption to prevent from unauthor ized access and monit oring.[...]

  • Page 55

    55 b. OPEN - WEP / / SHARE D - WEP If you set Security M ode to OPEN - WEP o r S HARED - WEP , fill in the related configura tions a s below. Item Descri ption Defaul t Key Specify a Key number. WEP Ke y s (1 - 4) When you sel ect WEP AUTO, input 5, 13 (A SCII), 10 o r 26 ( hexadecimal ) characters for WEP Key.[...]

  • Page 56

    56 c. WPA - PSK/WPA2PSK If you set Security M ode to “ WPAPSK or WPA2 - PSK ,” fill in th e related configurations a s be low. Item Descri ption WPA Ci phe r S uite Select TKIP , AE S or TKIPAES for WPA algorithm s.[...]

  • Page 57

    57 Pre - Shared Key F ill in a pass phrase like “ test wpa 1 23” or a h exadecim al string like “65E4 E123 456 E1 .” Key Ren ewal Interval F ill in a num ber for G roup Ke y Renew al interval tim e. d. WPA - RADIUS /WPA2 - RADIUS[...]

  • Page 58

    58 Item Descri ption WPA Ci phe r S uit e Select TKIP or AES for WPA algorithm s. Key Ren ewal Interval F ill in a num ber for G roup Ke y Renew al interval tim e. IP Address Enter t he RADIUS Serve r’s IP Add ress prov ided by your ISP. Port Ent er the RADIUS Server’s port number provided by your ISP. (The Default is 1812.) Shared Secret Enter[...]

  • Page 59

    59 e. 802.1X Item Descri ption WEP Select Dis able d or Enable d f or WEP . IP Addre ss Enter t he RADIUS Serve r’s IP Add ress prov ided by your ISP. Port Enter t he RADIUS Serve r’s port number pr ovided by your ISP. (The Def ault i s 1812.) Shared Secret Enter t he password share d with the RA DIUS S erver. Session Timeout Session ti meout i[...]

  • Page 60

    60 f. Acce ss Policy Item Descri ption Policy Select Disa bled, Allo w or Rejec t from the drop - down menu to choose a wirel ess a ccess contr ol mode . Thi s is a se curit y cont rol functi on; only those clients registered i n the access control list can link to this WLAN device . Add a stat ion MAC Fill in the MAC address of a client to registe[...]

  • Page 61

    61 4.3.4.4 Site Survey You c an configure AP C lient param eters here.[...]

  • Page 62

    62 4.3.4.5 WPS Item Descri ption WPS Select to Enable or Disable the Wi - F i Protec ted Setup f unction. T hen click Apply for it to take effe ct. WPS S ummar y After enabl ing t he WPS funct ion, if t here is c onnect ion t he WPS Summary wi ll show related information and status. AP PIN This shows the AP’s PIN (Personal Id entification Number)[...]

  • Page 63

    63 4.3.5 Firewall 4.3.5.1 MAC/IP/Port Filtering Item Descri ption MAC/I P/Por t Filteri ng Select to Enabl e or Disable the M AC/IP /Port Filte ring fu nction. Item Descri ption Source MAC address Fill in the MAC address of the source NIC to restrict data tr ansmission . Dest IP Addr ess Fill in the IP a ddress of the destination to restrict da ta [...]

  • Page 64

    64 Comment Make a co mment fo r t he fil teri ng pol icy. Item Descri ption □ Make a m ark for the next action. Delet e Sel ected Click Delete Sele cted to delete all that you selected. Reset Click Reset to clear selected item s.[...]

  • Page 65

    65 4.3.5.2 Port Forwarding Item Descri ption Port Forwardi ng Select to Enable or Disabl e the Po rt Forwar ding functio n. IP Address To forward data packets coming from the W AN to a speci fic IP addr ess h ost ed in the local netw ork beh ind the NA T firew all, fill in the IP ad dress. Port Range To forward data packets coming from the WA N to [...]

  • Page 66

    66 Item Descri ption Virtu al Se rver Select to Enable or Disable the Virtual Serv er function . IP Address To for ward da ta p ackets coming from the WA N to a specifi c IP addres s hosted in the local ne twork be hind the N AT firew all, fill in the IP address. Public Port To forward data packets coming from the W AN to a specif ic IP ad dress h [...]

  • Page 67

    67 4.3.5.3 DMZ Item Descri ption DMZ Sett ings Enable or Disable the DMZ func tion. DMZ IP Ad dress To support DMZ in your firewal l desig n, fi ll in the IP address of the DMZ host that can be a ccess ed from the WA N interfac e.[...]

  • Page 68

    68 4.3.5.4 System Security Item Descri ption Remote manageme nt Select to Deny or All ow the remote manage ment fun ction. Ping fro m WAN Filter Select Di sable or Enab le to allow pinging from the WAN. SPI Firewall Select to Disab le or Enable the SPI firewall func tion.[...]

  • Page 69

    69 4.3.5.5 Content Filtering Item Descri ption Keyword Enter t he name of the websi te you wish to filter . Add Click to sav e the keyword( s) . Delet e Cli ck Del ete to delete all that you s elected. Reset Click Reset to clear selected item s.[...]

  • Page 70

    70 4.3.6 Administration 4.3.6.1 Management Item Descri ption Username Fill in the user name for web management login control. Password Fill in the passwor d for w eb management login control. Current Time It shows the current tim e. Time Zone Select t he time zone in your c ountry from the pull - down menu. NTP Ser ver Fill in the NTP serv er IP ad[...]

  • Page 71

    71 Item Descri ption Dynamic DNS Provider Select t he DDNS pr ovider you regis tered with from the drop - down menu . Account Fill in the account of the DDNS yo u reg ister ed with. Password Fill in the passwor d of the DDNS you regi stered . DDNS Fill in the domain name that you register ed.[...]

  • Page 72

    72 4.3.6.2 QoS Item Descri ption Uplink Speed Input the u plink m aximum upload spe ed . Downlin k Spee d Input the downlink m axim um upload speed . Local IP Address Enter th e local IP address . Uplink Bandwi dth Enter the limit upload bandwidth . Downlin k Bandwidt h Enter t he limit downlink band width .[...]

  • Page 73

    73 4.3.6.3 Upload Firmware Item Descri ption Location Click the Brows e button to select the new firmware image file on the P C. Then click the Apply button to up grade the firmware. 4.3.6.4 Settings Management Item Descri ption Export But ton Click Export to export the curren t configura tion to your PC. Settings file location Click Browse to sele[...]

  • Page 74

    74 4.3.6.5 Status This page shows the current status and some basic se ttings of the device, inc luding syste m info, Internet c onfigurations and l ocal n etwork info .[...]

  • Page 75

    75 4.3.6.6 System Log This page is use d to vi ew system logs . Item Descri ption Refresh Click the Ref resh button to refresh t he log shown on the screen. Clear Click the Clea r button to clear the log displayed on the screen.[...]

  • Page 76

    76 5. FREQUENTLY ASK ED QUESTION S (FAQ) 5.1 What are (and how d o I find ) my PC’s IP an d MAC add ress es ? IP address is the identifier fo r a computer or de vice on a TCP/IP network. Netw orks using the TCP/IP protocol route messages based on the IP address of t he destination. The format of an IP address is a 32 - bit numeric address written[...]

  • Page 77

    77 5.4 How does wireless net working work? The 802.11 standar d define s two modes: inf rastructure m ode and ad hoc m ode. In infra structure m ode, the wireless network c onsists of at le ast one acc ess point co nnected to the wired n etwork in frastructure and a set o f wireless end stations. This configuration is called a Basic Service Set (BS[...]

  • Page 78

    78 5.5 What is BSSID? A six - byte address is t hat distinguis h es a particular a ccess poin t from others. A lso know n simply as SSID. Serve s as a network ID or name. 5.6 What is ESSID? The Extend ed Servic e Set ID (ESSID) is the name of the network y ou want t o access. It i s used to identify diffe rent wirele ss network s. 5.7 What are pot [...]

  • Page 79

    79 5.10 What is Fragment Threshold? This protocol uses the fr ame fragmentation mechanism def ined in IEEE 802.11 t o achieve parall el transmissio ns. A large data frame is fragmen ted into sev eral fragm ents , each of a s ize equal to the fragment threshold. By tuning the fragmen t threshold value, we can get varying fragment sizes. The determin[...]

  • Page 80

    80 5.13 What is Preamble Type? There are two pre amble types defined in IEEE 802.11 spe cificat ion s . A long preamble basically g ives the decode r more tim e to proces s the pream ble. All 80 2.11 devic es support a long pream ble. The short preamble is desi gn ed to improve efficiency (for example, for VoIP systems). The difference between the [...]

  • Page 81

    81 5.18 What is Temporal Key Integr ity Protocol (TKIP)? The Temporal Key Inte grity Pr otocol, pronounced tee - kip, is part of the IEE E 802.11 i encryption standard for wireless LANs. TKIP is the next generation of W EP, the Wired Equivalency Protoco l, which is us ed t o secu re 80 2.11 wi rele ss LANs. TKIP provi des pe r - packet key mixing, [...]

  • Page 82

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