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Table of contents for the manual
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Enterasys RoamAbout ® Wir eless Networking RBT -4102 W ireless Access Point Configuration Guide P/N 9034186-05[...]
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[...]
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i Notice Enterasys Networks reserves the right to make changes in specifications and other information contained in this document and its web si te without prior notice. The reader should in all cases co nsult Enterasys Netw orks [...]
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ii Enterasys Networks, Inc. Firmware License Agreement BEFORE OPENING OR UTILIZING THE ENCLOSED PRODUCT, CAREFULLY READ THIS LICENSE AGREEMENT. This document is an agreement (“ Agreement”) betwee n the end user (“Y ou”) and Enterasys Netw orks, Inc., on behalf of itself[...]
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iii If the Program is exported from the United Stat es pursuant to the License Ex ception TSR und er the U.S. Export Administration Regulations, in addition to the restriction on transfer se t fort h in Section 1 or ?[...]
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iv 11. ASSIGNMENT. You may not assign, transfer or sublicense this Agreement or any of Your rights or obligations un der this Agreement, except that You may assign this Agreement to any person or entit y which acquires [...]
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v Enterasys Networks, Inc. Software Li cense Agreement This document is an agreement (“ Agreement”) betwee n Yo u , the end user, and Enterasys Networks, Inc. on behalf of itse lf and its Affiliates (“Enterasys”) that sets forth your [...]
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vi to Enterasys. 5. PROTECTION AND SECURITY .I n the performance of this Agreement or in contemplation thereof, You and your employees and agents may have acce ss to private or confidential information owned or cont rolled by [...]
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vii 9. UNITED STATES GOVERNMENT RESTRICTED RIGHTS .T h e Licensed Mate rials (i) were developed sol ely at private expense; (ii) contains “restricted computer software” submitted with restri cted rights in accordance with section 52 .227 [...]
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viii[...]
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ix Contents Preface Purpose of This Manual .. .... ............. ... ... ... .... ............ .... ... ... ... ............. .... ... ... ... ... ............. .... . .. ................ ......... xiii Intended Audience .......... ............. ................. ............ ................. ............. ................ ........... ........ ...[...]
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x Using Web Management to Configure Authentication ........ ............. ...... .......... ............. ............ ............. 4-1 6 Using the CLI to Configure Authentication ......... ............. ................. ............ ............. ............. ........ ........ 4-17 Filter Control and VLANs ....... ............. ................[...]
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xi Security ............... ................ ................ ................ ................ ................ ................ ....... ................... ............. ... 4-78 Wired Equivalent Privacy (WEP) .. ................... ... ....... ................ ............. ............. ............. .......... ............ 4-79 Using Web Manag[...]
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xii[...]
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RoamAbout RBT-4102 Wireless Access Point Configuration Guide xiii Preface Purpose of This Manual This manual provides configuration instructions for the RoamAbout RBT ‐ 4102 Access Poi n t using We b management and the Command Line Interface (CLI). For complete ?[...]
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xiv Preface The following conventions are used in the text of this document: Getting Help For additional support related to this device or document, contact Enterasys Networks using one of the following methods. Before calling Enteras[...]
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RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 1-1 1 Introduction Overview The RoamAbout RBT ‐ 4102 , RBT ‐ 4102 ‐ BG, and RBT ‐ 4102 ‐ EU, are IEEE 802.11a/b/g access points that provide transparent, wireless high ‐ speed data communications betw een[...]
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Features 1-2 Introduction Features The features and benefits of the RBT ‐ 4102 include the following: •L o c a l network connection via 10/100 Mbps Ethernet ports or 54 Mbps wireless interface (supporting up to 255 mobile users per ?[...]
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Applications RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 1-3 The supported functions allow a security administrator to configure the RBT ‐ 4102 as follows: •G r a n t restricted access to an un ‐ authenticated guest user . •G r a n t access [...]
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Applications 1-4 Introduction[...]
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RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 2-1 2 Network Configuration Overview The wireless solution supports a stand ‐ alone wire less netw ork configuration as wel l as an integrated configuration with 10/100 Mbps Ethernet LANs. Wi r e l e s s networ[...]
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Network Topologies 2-2 Network Configuration Network T opologies Ad Hoc Wireless LAN (no Access Point or Bridge) An ad hoc wirel ess LAN consists of a group of computers, each equipped with a wire less adapter , connected via radio signals as an independent [...]
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Network Topologies RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 2-3 Infrastructure Wireless LAN The access point also provides access to a wired LAN for wireless workstations. An int egrated wired/wireless LAN is called an infrastructure configurati[...]
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Network Topologies 2-4 Network Configuration Infrastructure Wireless LAN for Roaming Wireless PCs The Basic Service Se t (BSS) defines the communications domain for each access point and its associated wireless clients. The BSS ID is a 48 ‐ bit binary [...]
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Network Topologies RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 2-5 Infrastructure Wireless Bridge The IEEE 802.11 standard defines a Wi re l e s s Distribution System (WDS) for bridge connections between BSS areas (access points). The access point [...]
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Network Topologies 2-6 Network Configuration[...]
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RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 3-1 3 Initial Configuration Overview Yo u can manage the Enterasys RoamAbout RBT ‐ 4102 with: •T h e Command Line Interface (CLI) accessed through a direct co nnection to the console po rt. For a [...]
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Initial Setup Using the CLI 3-2 Initial Configuration • Set the emulation mo de to VT100. • When using HyperT erminal, select Te r m i n a l keys, not Wi ndows keys. 4. Once you have set up the terminal correctly , press the Enter key ?[...]
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Initial Setup Using the CLI RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 3-3 RICO, QA-QATAR, RO-ROMANIA, RU-RUSSIA, SA-SAUDI ARABIA, SG -SINGAPORE, SK-SLOVAK REPUBL IC, SI-SLOVENIA, ZA-SOUTH AFRICA, ES -SPAIN, SE-SWEDEN, CH-SWITZERLAND, SY-SYRIA, TW-TAIWAN, TH-THAILAND, TT-TRINIDAD & TOBAGO, TN-TUNISIA, TR-TURKEY, UA-UKRAINE, A[...]
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Initial Setup Using the CLI 3-4 Initial Configuration 4. Change the default username and password: ty pe username and specify a unique user name; type password and specify a unique passw ord. RoamAbout 4102(config)#username Kare nBD RoamAbout 4102(config)#password **** [...]
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Initial Setup Using the CLI RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 3-5 . • If applicable, the Count y Code page appears, go to step 3. • If the Country Code page does not appear , go to st ep 4. 3. If applicable, set [...]
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Initial Setup Using the CLI 3-6 Initial Configuration ```` c. Click the Reset button next to Reset Access Poi n t , located at the bottom of the page. The access point prompts you to confirm that you wa n t to reboot the system. d. Click [...]
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Initial Setup Using the CLI RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 3-7 4. Enter the following information, and click Apply . • System Name is an alias used for the access point, enabling the device to be uniquely identified on[...]
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Initial Setup Using the CLI 3-8 Initial Configuration b. Click the DHCP Client: Disable radio button. DHCP allows you to enable or disable the option to obtain the IP settings for the access point from a DHCP (Dynamic Host Configu[...]
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Initial Setup Using the CLI RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 3-9 f. Click Administration from the menu on the left ‐ hand sid e of the page. The Administration page appears. g. Click the Reset button next to Reset Access Poi n t , [...]
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Initial Setup Using the CLI 3-10 Initial Configuration c. Specify a new password in the Pas sw o r d field. d. Specify the new password again in the Confirm Pa s s wo r d field. e. Click Apply at the bottom of the page. The access point displays [...]
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RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 4-1 4 Advanced Configuration Overview This chapter presents adv anced config uration information organized according to the structure of the web interface for easy refere nce. Enterasys Netw orks recommends t[...]
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Overview 4-2 Advanced Configuration SNMP Controls access to this access point from management stations using SNMP , as well as the hosts that will receive trap messages. 4-30 Administration Configures user name and password for management access; upgrades software fro m local file, F TP , or TFTP ser ver; resets configuration settings to factory de[...]
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Identification RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 4-3 Identification Using W eb Management to Co nfigure System Information The system information parameters for the RBT ‐ 4102 can be left at the ir def ault settings. However , modifying these parameter[...]
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Identification 4-4 Advanced Configuration Using the CLI to Configure System Information From the config mode, use the system name command to specify a new system name. Th en return to the Executive mode, and use the show system command to [...]
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TCP / IP Settings RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 4-5 TCP / IP Settings Configuring the RBT ‐ 4102 with an IP address expands your ability to manage the access point. A number of access point features depend on IP addres s[...]
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TCP / IP Settings 4-6 Advanced Configuration Using W eb Management to Configure TCP/IP Select TCP/IP Settings from the menu. •D H C P allows you to enable or disable the option to obtain the IP settings for the access point from a DHCP (Dynamic[...]
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TCP / IP Settings RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 4-7 If you have management stations, DNS, RADIUS, or other netw ork serve rs located on another subnet, type the IP address of the default gatew ay router in the text[...]
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TCP / IP Settings 4-8 Advanced Configuration •E t h e r n e t Settin gs The Ethernet Settings options let you control the speed and duplex setting as wel l as the auto ‐ negotiation state of the Ethernet port. – Auto Negotiate disables or ?[...]
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TCP / IP Settings RoamAbout RBT-4102 Wireless Access Point Con figuration Guide 4-9 Untagged VlanId : 1 ==================================== ==== RoamAbout 4102# SSH Configuration To enable the SSH server , use the ip ssh ‐ server enable command from the CLI Ethern et interface confi[...]
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TCP / IP Settings 4-10 Advanced Configuration Auto Negotiate : Disable Speed-duplex(Admin) : 100Base-TX Ful l Duplex Speed-duplex(Oper) : 100Base-TX Ful l Duplex ==================================== ==== test4102(if-ethernet)#[...]
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RADIUS RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-11 RADIUS Remote Authentication Dial ‐ in User Service (RADIUS) is an authe ntication protocol that uses software running on a central server to control access to RADI US ‐ aw are dev[...]
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RADIUS 4-12 Advanced Configuration Using W eb Management to Configure RADIUS Select RADIUS from the menu. •P r i m a r y Radius Server Setup configures the following settings to use RADIUS authentication on the access point: – IP Addr ess/Server Nam e specif[...]
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RADIUS RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-13 – RADIUS Accounting enables or disables the AP to send RADIUS accounting information for clients to the RADIUS accounting serv er . Default: Disable – Accounting Port specifies the[...]
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RADIUS 4-14 Advanced Configuration Using the CLI to Configure RADIUS From the global configuration mode, use the radius ‐ server address command to specify the address of the primary RADIUS serv er , or the radius ‐ server secondary address command ?[...]
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Authentication RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-15 Authentication Wi r e l e s s clients can be authenticated for network access by checking their MAC address against the local database configured on the access point, or by [...]
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Authentication 4-16 Advanced Configuration Using W eb Management to Configure Authenti cation Select Authenticat ion from the menu. • 802.1x Supplicant allows you to ena ble or disable the access point as an 802.1x authentication supplicant to authenticate wit[...]
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Authentication RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-17 Using the CLI to Configu re Authentication Use the 802.1x supplicant user command from the global configuration mode to specify the username and password that the access points uses ?[...]
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Filter Control and VLANs 4-18 Advanced Configuration Filter Control and VLANs The access point can employ VLAN ID and network traffic frame filterin g to control access to network resources and increase security . Yo u can prevent communica tions bet[...]
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Filter Control and VLANs RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-19 • Management VLAN ID specifies the management VLAN ID for the access point. The management VLAN is for managing the access point. For example, the access point [...]
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Filter Control and VLANs 4-20 Advanced Configuration Using the CLI to Configure Filter Control and VLANs CLI Commands for VLAN Support From the global configuration mode, use the management ‐ vlanid command to set the default Management VLAN ID for the Ethernet inte rface[...]
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Filter Control and VLANs RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-21 From the interface ethernet mode, use the untagged ‐ vlanid to specify a VLAN ID for the AP to use for untagged packets entering thr ough the AP’ s Ethern[...]
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Filter Control and VLANs 4-22 Advanced Configuration CLI Commands for Filtering Use the filter ibss ‐ relay command from the global conf iguration to set the mode for wireless ‐ to ‐ wireless communications th rough the access point . Use the filter wi[...]
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Filter Control and VLANs RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-23 SVP Commands To enable SVP , from the global configuration mode, use the svp command. To disable SVP , us e the no ver si o n of the command. Use the show svp[...]
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CDP Settings 4-24 Advanced Configuration CDP Settings Cabletron Discove ry Protocol (CDP) settings control how the AP uses CDP to discov er neighbors on the physical LAN to which it connects. Using W eb Management to Configure CDP Select CDP Settings [...]
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CDP Settings RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-25 •P o r t Status: – Disable ‐ di sables this AP from using CDP . – Enable ‐ enables this AP to use CDP and to send information about itself at the specified [...]
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CDP Settings 4-26 Advanced Configuration Using the CLI to Configure CDP From the global configuration mode, enable cdp with the cdp auto ‐ enable or cdp enable commands. Specify the hold time, transmit frequency and optionally an authenticati on co[...]
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Rogue AP Detection RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-27 Rogue AP Detection This feature scans the airw aves and collects information about access points in the area. The term “rogue AP” is used to describe an access point ?[...]
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Rogue AP Detection 4-28 Advanced Configuration • RADIUS Authentication enables the access point to discove r rogue access points. Enabling RADIUS Authentication causes the access point to check the MAC address/Basic Service Set Identifier (BSSI[...]
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Rogue AP Detection RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-29 802.11a : Rogue AP Status No. AP Address(BSSID) SSID Channel(MHz) RSSI Encr. IB SS ==================================== ==================================== 802.11b/g : Rogue AP Setting ==================================== =========================================[...]
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SNMP 4-30 Advanced Configuration SNMP The access point includes an on ‐ board agent that supports SNMP v ersions 1, 2c, and 3. Access to the on ‐ board agent using SNMP v1 and v2c is controlled by co mmunity strings. To co[...]
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SNMP RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-31 • SNMP allows you to enable or disable SNMP management access and also enables the access point to send SNMP traps (notifications). SNMP management is enabled by default. ?[...]
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SNMP 4-32 Advanced Configuration • Engine ‐ ID is used for SNMP v3 to identify the access point in a netw ork of multiple access points. –E n t e r i n g the Engine ‐ ID invalidates all engine IDs that hav e been previously config[...]
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SNMP RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-33 – User specifies string to identify an SNMP user . (32 characters maximum) – Group is th e name of the SNMP group to which the user is as signed (32 characters maximum). [...]
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SNMP 4-34 Advanced Configuration •S N M P Ta r g e t s – Ta r g e t ID is the name you enter to identify the SNMP target. Maximum: 32 characters – IP Address is the IP address of the use r . – UDP port is the UDP port of ?[...]
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SNMP RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-35 Using the CLI to Configure SNMP The access point includes an on ‐ board agent that supports SNMP v ersions 1, 2c, and 3. Access to the on ‐ board agent using SNMP v1 and v2c [...]
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SNMP 4-36 Advanced Configuration localMacAddrAuthSuccess Enabled pppLogonFail Enabled sntpServerFail Enabled radiusServerChanged Enabled systemDown Enabled systemUp Enabled ==================================== ========= RoamAbout 4102# CLI Commands for Configur ing SNMPv3 Users and Groups Use the snmp ‐ server engine ‐ id comman[...]
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SNMP RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-37 Passphrase:**************** PrivType :DES Passphrase:**************** ==================================== ========= RoamAbout 4102#show snmp group-assig nments GroupName :TPS UserName :chris RoamAbout 4102#[...]
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SNMP 4-38 Advanced Configuration CLI Commands for Conf iguring SNMPv3 T argets To create a notification target, use the snmp ‐ server targets command from the CLI configuration mode. To assign a filter to a target, use the snmp ‐ server filter ?[...]
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Page 75
Administration RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-39 Administration Changing the Password Management access to the We b and CLI interface on the RBT ‐ 4102 is controlled through a single user name and password. Yo u can also ga[...]
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Page 76
Administration 4-40 Advanced Configuration Using Web Management to Change the Password Select Administration from the menu. • Change Username/Password A username and passw ord are required to configure the access point. Enterasys Netw orks strongly recommends that[...]
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Page 77
Administration RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-41 Using the CLI to Ch ange the Password Use the username and password commands from the CLI configurat ion mode. Example RoamAbout 4102(config)#username John RoamAbout 4102(config)#password **** RoamAbout 4102(config)#confirm pass[...]
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Page 78
Administration 4-42 Advanced Configuration Upgrading Firmware Yo u can upgrade the RBT ‐ 4102 softwar e from a local file on the management workstation, or from an FT P or TF TP serv er . New softw are may be provided periodically on th[...]
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Page 79
Administration RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-43 Using Web Management to Upgrade Firmware • Curr ent version displays the ve rs io n number of code. • Local downloads an operation code image file from the We b management station to t[...]
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Page 80
Administration 4-44 Advanced Configuration Using the CLI to Upgrade F irmware To download softw are from a TF TP/F TP Serv er , use the copy command from the Ex ecutive mode . The copy command requires you to specify ei ther the file type and [...]
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Page 81
System Log RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-45 System Log The RBT ‐ 4102 can be configured to send event an d error messages to a System Log Serve r . The system clock can also be synchronized with a time server ,[...]
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Page 82
System Log 4-46 Advanced Configuration • Logging Level sets the severity level for event logging. • Logging Facility ‐ T ype specifies the sys log facility to use for messages, (16 to 23) local 0 to local 7. The system allows you ?[...]
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Page 83
System Log RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-47 Using the CLI to Configure System Log To enable logging on the access point , use the logging on command from the gl obal configuration mode. The logging level command sets the min[...]
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Page 84
System Log 4-48 Advanced Configuration Using W eb Management to Configure SNTP Simple Network Time Protocol (SNTP) allows the RBT ‐ 4102 to set its internal clock bas ed on periodic updates from a time server . Ma intaining an accurate time on [...]
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Page 85
System Log RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-49 Using the CLI to Configure SNTP To enable SNTP support on the access point, from the global configuration mode specify SNTP server IP addresses using the sntp ‐ server ip command, ?[...]
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Page 86
WDS and STP 4-50 Advanced Configuration WDS and STP Each access po int radio int erface can be configured to operate in a bridge mode, which allows it to forw ard traffic directly to other access point units. To set up bridge link[...]
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Page 87
WDS and STP RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-51 Using W eb Management to Configure WDS and STP Select WDS & STP from th e menu.[...]
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Page 88
WDS and STP 4-52 Advanced Configuration • WDS Bridge allows you to specify up to eight WDS bridge links (MAC addr esses) per radio interface for each unit in the wireless bridge network. One unit must be configured as the ?[...]
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Page 89
WDS and STP RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-53 ‐ Range: 0 ‐ 65535 ‐ Default: 32768 – Bridge Max Age is the maximum time (in seconds) a device can wa i t without receiving a configuration message before attempting to re[...]
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Page 90
WDS and STP 4-54 Advanced Configuration Using the CLI to Configure WDS To set the role of the access point radio interface, use the bridge role command from the CLI wireless interface configuration mode. Then, configure the MAC addresses of ?[...]
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Page 91
WDS and STP RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-55 Using the CLI to Configure STP If a radio interface is set to the Bridge or Root Bridge role , STP can be enabled on the access point to maintain a val id network topo[...]
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Page 92
Radio Interface 4-56 Advanced Configuration Radio Interface The IEEE 802.11a and 802.11b/g interfaces include configuration options for radio signa l characteristics, Vir t u a l APs (V AP s), and wireless security features. The configuration options for [...]
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Page 93
Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-57 Radio Settings Using Web Management to Conf igure Interface Radio Settings Select Radio Settings under the type of interface (802.11a or 802.11b/g) that you wan t to configure. • Interface Status ?[...]
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Page 94
Radio Interface 4-58 Advanced Configuration • Native VLAN ID is the VLAN ID for this default radio interface. The access point assigns this VLAN ID to all client traffic us ing this radio interface unless you assign unique V[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-59 – Right . The radio only uses the antenna on the right si de (the side closest to the access poin t LEDs). Select this method when using an optional external [...]
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Radio Interface 4-60 Advanced Configuration –T h e 802.11b/g radio channel that the access point uses to communicate with wirel ess clients. When multiple access points are deploy ed in the same ar ea, set the channel on neighboring [...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-61 faster . Using higher DTIM va l u e s reduces the pow er used by stations in Pow e r Save mode, but delays the transmission of broadcast/multicast frames. Range: 1 ‐ 255 [...]
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Radio Interface 4-62 Advanced Configuration Using the CLI to Configure th e 802.1 1a Interface Radio Settings From the global configuration mode, enter the interface wireless a comm and to access the 802.11a radio interface. Set the interface SSID using the [...]
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Page 99
Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-63 To view the current 802.11a radio settings, use the show interface wireless a command. Example RoamAbout 4102#show interface wirele ss a Wireless Interface Information ==================================== ==========[...]
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Radio Interface 4-64 Advanced Configuration Ad mission Control: No TX OP Limit: 0.000 ms AC2(Video) : lo gCwMin: 3 logCwMax: 4 AIFSN: 2 Ad mission Control: No TX OP Limit: 3.008 ms AC3(Voice) : lo gCwMin: 2 logCwMax: 3 AIFSN: 2 Ad mission Control: No TX OP Limit: 1.504 ms WMM AP Parameters AC0(Best Effort) : lo gCwMin: 4 logCwMax: 6 AIFSN: 3 Ad mis[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-65 Using the CLI to Configure the 802.1 1b/g Interface Radio Settings From the global configuration mode, enter the interface wireless g command to access th e 802.11g radio interface. Set the i[...]
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Page 102
Radio Interface 4-66 Advanced Configuration To view the current 802.11g radio settings, use the show interface wirel ess g command. Example RBT4102-230.101#show int wireless g Wireless Interface Information ==================================== ===================================== ----------------[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-67 TX OP Limit: 0.000 ms AC1(Background) : lo gCwMin: 4 logCwMax: 10 AIFSN: 7 Ad mission Control: No TX OP Limit: 0.000 ms AC2(Video) : lo gCwMin: 3 logCwMax: 4 AIFSN: 2 Ad mission Control: No TX OP Limit: 3.008 ms AC3(Voice) : lo gCwMin: 2 logCwMax: 3 AIFSN: 2 Ad missi[...]
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Radio Interface 4-68 Advanced Configuration Wi-Fi Multimedia (WMM) Configuration Wi r e l e s s networks offer an equal opportunity for all devices to transmit data from any type of application. Although this is accepta ble for most applications, multime[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-69 After a collision detection, a backoff wa i t time is calculated. The total wai t time is the sum of a minimum wai t time (Arbitration Inter ‐ Frame Space, or AI[...]
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Radio Interface 4-70 Advanced Configuration – Support : WMM will be used for any associated device that supports this feature. Devices that do not support this feature may still associate with the access point. – Required : WMM must ?[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-71 ----------------Antenna------------- ------------------------------------- Antenna Select : Fi xed Fixed Antenna Control : Di versity Antenna ID : 0x 0000(Integrated antenna) Ack-TimeOut : 0 us ----------------802.11 Parameters--- ------------------------------------[...]
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Radio Interface 4-72 Advanced Configuration Ad mission Control: No TX OP Limit: 0.000 ms AC2(Video) : lo gCwMin: 3 logCwMax: 4 AIFSN: 1 Ad mission Control: No TX OP Limit: 3.008 ms AC3(Voice) : lo gCwMin: 2 logCwMax: 3 AIFSN: 1 Ad mission Control: No TX OP Limit: 1.504 ms ==================================== ===================================== RB[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-73 V irtual APs (V APs) Configuration In addition to defining netw ork characteristics for the default radio interface, you can define network characteristics for up to seven VA P s per [...]
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Radio Interface 4-74 Advanced Configuration – Secure Acces s specifies whether clients can access the default radio interface netw ork by discoveri ng and automatically configuring the SSID, or whether clients must be already configured with ?[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-75 Using the CLI to Configure V irtual APs From the global configuration mode, enter the interface wireless a comm and to access the 802.11a radio interface, or the interface wireless g [...]
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Radio Interface 4-76 Advanced Configuration To view VA P settings, use the show interface wireless <a|g> <vap#> command. AP4102-230.108#show interface wirele ss g 1 Wireless Interface Information ==================================== ===================================== ----------------Identif[...]
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Radio Interface RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-77 Ad mission Control: No TX OP Limit: 0.000 ms AC2(Video) : lo gCwMin: 3 logCwMax: 4 AIFSN: 2 Ad mission Control: No TX OP Limit: 3.008 ms AC3(Voice) : lo gCwMin: 2 logCwMax: 3 AIFSN: 2 Ad mission Control: No TX OP Limit: 1.504 ms WMM AP Parameters AC0(Best Effort) : l[...]
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Security 4-78 Advanced Configuration Security The access point is configured by default as an “open sy stem,” which broadcasts a beacon signal including the configured SSID. Wir e l es s clients with an SS ID setting of “any” can [...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-79 Wired Equivalent Privacy (WEP) WEP provide s a basic level of security , preventing unau thorized access to the netw ork and encrypting data transmitted between wireless clients and the [...]
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Security 4-80 Advanced Configuration – Key Ty p e specifies the preferred method of entering WEP encryption keys on the access point and enter up to four keys: ‐ Hexadecimal : Enter keys as 10 hexadecimal digits (0 to 9 and ?[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-81[...]
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Security 4-82 Advanced Configuration • Pr e ‐ Authentication . If Pre ‐ Authenticati on is enabled, a WP A2 wireless client can perform an 802.1X authe ntication with other wireless access poi nts in its range when it is still connected [...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-83 – Supported ‐ allows WP A ‐ enabled clients and clients only capable of supporting WEP to access the network. • WP A Key Management: Yo u can configure WP A to wor k in[...]
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Security 4-84 Advanced Configuration The 802.1x EAP packets are al so used to pass dynamic unicast ses sion keys and static broadcast keys to wireless clients. Session keys are unique to each client and are used to encrypt [...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-85 If you specify RADIUS MAC for this default interface or VA P, you must specify the following parameters: – MAC Authentication Password specifies the authenticati on password this ?[...]
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Security 4-86 Advanced Configuration Using the CLI to Configure WP A Pre-Shared Key To enter a key val u e, use the wpa ‐ psk ‐ type command to specify a hexadecimal or alphanumeric key , and then use the wpa ‐ preshared ‐ key command to define t[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-87 To view the current security settin gs, use the show interface wireless a or show interface wireless g command. Example RBT4102-230.101#show interface wirel ess a Wireless Interface Information ============[...]
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Security 4-88 Advanced Configuration AC1(Background) : lo gCwMin: 4 logCwMax: 10 AIFSN: 7 Ad mission Control: No TX OP Limit: 0.000 ms AC2(Video) : lo gCwMin: 3 logCwMax: 4 AIFSN: 2 Ad mission Control: No TX OP Limit: 3.008 ms AC3(Voice) : lo gCwMin: 2 logCwMax: 3 AIFSN: 2 Ad mission Control: No TX OP Limit: 1.504 ms WMM AP Parameters AC0(Best Effo[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-89 Using the CLI to Configu re Lo cal MAC Authentication Use the mac ‐ authenticat ion server command from the Interface Wir e l e ss or Interface Wir e l e ss : VA P configuration modes to enable local [...]
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Security 4-90 Advanced Configuration 802.11a 802.11b/g Index MAC Address Status 01234567 01234567 ===== ================= ========= == ====== ======== 1 00-01-f4-88-b3-d7 ALLOWED ****** ** ******** 2 00-00-11-22-33-44 ALLOWED *--*-- -- *--*---- ==================================== ===============[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-91 Using the CLI to Configure RADIUS MAC Authentication Use the mac ‐ authenticat ion server command from the Interface Wir e l e ss or Interface Wir e l e ss : VA P configuration modes to enable remote [...]
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Security 4-92 Advanced Configuration To display the current settings, us e the show authenti cation command from the Executive mode. Example RoamAbout 4102#show authentication 802.11a Authentication Server Inform ation VAP AuthMode SessionTimeout Password Default Local MAC ========================[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-93 Using the CLI to Configur e WEP Shared Key Security From the interface wireless or interface wireless: VA P configurat ion modes, use the authentication command to enable WEP shared ‐ key authentica t[...]
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Security 4-94 Advanced Configuration To view the current security settings, use the show interfac e wireless a <vap#> or show interface wireless g <vap#> command. RoamAbout 4102#show interface wirele ss g Wireless Interface Information ==========================[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-95 Using the CLI to Configur e WEP over 802.1x Security From the interface wireless or interface wireless: VA P configurat ion modes, use the authentication command to select open system authentication. ?[...]
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Security 4-96 Advanced Configuration WPA Key Mgmt Mode : DY NAMIC WPA PSK Key Type : HE X Encryption : 64 -BIT ENCRYPTION Default Transmit Key : 1 Common Static Keys : Ke y 1: ***** Key 2: EMPTY Ke y 3: EMPTY Key 4: EMPTY Pre-Authentication : Di sabled Authentication Type : OP EN ----------------Authentication Param eters---------------------------[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-97 Using the CLI to Configure WP A2 Security From the interface wireless or interface wireless: VA P configurat ion modes, use the authentication command to select the wpa2 required authentication. [...]
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Security 4-98 Advanced Configuration WPA PSK Key Type : HE X Encryption : 64 -BIT ENCRYPTION Default Transmit Key : 1 Common Static Keys : Ke y 1: ***** Key 2: EMPTY Ke y 3: EMPTY Key 4: EMPTY Pre-Authentication : Di sabled Authentication Type : WP A2-ONLY ----------------Authentication Param eters--------------------------------- 802.1X : RE QUIRE[...]
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Security RoamAbout RBT-4102 Wireless Access Point Configur ation Guide 4-99 Using the CLI to Configure WP A2 Pre-Shared Key Security From the interface wireless or interface wireless: VA P configurat ion modes, use the authentication command to select wpa2 ‐ psk authentication. ?[...]
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Security 4-100 Advanced Configuration Multicast cipher : AE S Unicast cipher : AE S PMKSA Lifetime : 72 0 minutes WPA clients : RE QUIRED WPA Key Mgmt Mode : PR E SHARED KEY WPA PSK Key Type : AL PHANUMERIC Encryption : 64 -BIT ENCRYPTION Default Transmit Key : 1 Common Static Keys : Ke y 1: ***** Key 2: EMPTY Ke y 3: EMPTY Key 4: EMPTY Pre-Authent[...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-101 S t atus Information Status information is described in Ta b l e 4 ‐ 8 . T able 4-8 St atus Menu Description AP S tatus Displays configuratio n settings for the basic system and the wirel ess interface CDP S tatus Displays information about n[...]
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Status Information 4-102 Advanced Configuration Using W eb Management to V iew AP S t atus Select AP Status from the menu.[...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-103 AP System Configuration displa ys the following basic system configurat ion settings: • System Up Ti m e is the length of time the management agent has been up. • MAC A[...]
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Status Information 4-104 Advanced Configuration Using the CLI to Display AP St atus To view the current access point system settings, use the show system command from the Executiv e mode. To view the current radio interfa ce settings, us e the sh[...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-105 Using W eb Management to V iew CDP St atus The CDP Status window shows the CDP enabled devices currently asso ciated with the access point. Select CDP Status from the menu. Neighbors ?[...]
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Status Information 4-106 Advanced Configuration Using the CLI to Display CD P St atus Use the cdp enable or cdp auto ‐ enable commands from the general configuration mode to enable the AP to use CDP . Set CDP parameters using the cdp hold ‐ t[...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-107 Using W eb Management to V iew S t ation S t atus The Station Status window displays the status of stations associated with the defaul t radio interfaces and any VA P s configured for [...]
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Status Information 4-108 Advanced Configuration • Station Address is the MAC address of the wir eless client. • Authenticat ed disp lays if the station has been au thenticated. The two bas ic methods of authentication supported for 802.11 wir[...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-109 Using W eb Management to V iew Neighbor AP Detection S t atus The Neighbor AP Detection St atus window shows the wireless clients curren tly associated with the access point. Select Neighbor A[...]
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Status Information 4-110 Advanced Configuration Using the CLI to V iew Neig hbor AP Detection St atus To view the neighbor AP detecti on resul ts of a rogue AP scan, use the show rogue ‐ ap command from the Executive mode. Example RoamAbout 4102#show rogue-ap 802.11a [...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-111 Using W eb Management to V iew WDS-STP St atus Select WDS ‐ STP Status from the menu. • Port number is the designated port. • Priority defines the pr iority of the port in STP . If ?[...]
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Status Information 4-112 Advanced Configuration Using the CLI to View WDS-STP St atus To view the status information shown in the WDS ‐ STP Status web page, yo u will need to enter several commands. This section breaks up the commands that you [...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-113 show bridge link Child St atus The following example uses th e show bridge li nk command, from the Executiv e mode, to display the status for ea ch Child connection. Example RoamAbout [...]
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Status Information 4-114 Advanced Configuration Root Bridge St atus The following example uses th e show bridge li nk command, from the Executiv e mode, to display the root bridge status. Example RoamAbout 4102#show bridge link wire less a Interface Wireless A WDS Information =[...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-115 Using W eb Management to View Event Logs The Event Logs window shows the log messages generated by the access po int and stored in memory . The Clear Logs button clears all [...]
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Status Information 4-116 Advanced Configuration Using the CLI to V iew Event Logs From the global configuration mode, use the show logging command. Examples RoamAbout 4102#show logging Logging Information ==================================== ======== Syslog State : Enabled Logging Console State : Enabled Logging [...]
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Status Information RoamAbout RBT-4102 Wireless Access Point Configuration Guide 4-117 Oct 21 10:15:51 Notice: 802.11b/g VAP2:Station Associated: 00-e0-63-50-3d-eb Oct 21 10:15:51 Notice: 802.11b/g VAP2:S tation Forwarding: 00-e0-63-50-3d-eb Encryption key type=STATIC WEP Press <n> next. <p> previous. <a> abort. <y> continue [...]
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Status Information 4-118 Advanced Configuration[...]
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RoamAbout RBT-4102 Wireless Access Point Config uration Guide A-1 A Default Settings This appendix lists the access point system defaults. To reset the access point defaults, refer to the CLI command “reset configuration” from the Executiv e level ?[...]
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A-2 Default Settings CDP CDP Auto Enable Auto Hold T ime 180 (seconds) Tx Frequency 60 (seconds) Port Settings Auto VLAN Management VLAN Disabled Management VLAN ID 1 VLAN Disabled Native VLAN 1 Untagged VLAN ID 1 IAPP IAPP Enabled Filter Control IBSS Relay All V AP Wireless AP Management Disabled Ethernet T ype Filter Disabled Rogue AP Interface a[...]
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RoamAbout RBT-4102 Wireless Access Point Config uration Guide A-3 System Log Syslog Setup Disabled Logging Console Disabled Logging Level Error Logging F acility T ype 16 SNTP Server Disabled SNTP Primary Server 137.92.140.80 SNTP Secondary Server 192.43.244.18 SNTP Server Date-T ime 00:00, January 1st, 2000 Daylight Savings Disabled WDS & STP [...]
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A-4 Default Settings Radio Channel Default Wireless Interface 802.1 1a (Continued) Auto Channel Select Enabled T ransmit Power Full Auto Data Rate Select Enable Software Retry Disable Maximum Tx Data Rate 54 Mbps Beacon Interval 100 ms Data Beacon Rate (DTIM) 2 Beacons Fragment Length 2346 bytes RTS Threshold 2347 bytes Maximum Associations 255 V A[...]
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RoamAbout RBT-4102 Wireless Access Point Config uration Guide A-5 MAC Authentication M AC Authentication L ocal MAC System Defa ult Allowed Session T imeout 0 (disabled) Password NOP ASSWORD 802.1x Authentication S tatus Disabled Broadcast Key Refresh 0 minutes (disabled) Session Key Refresh 0 minutes (disabled) Session T imeout 60 minutes (disab l[...]
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A-6 Default Settings Preamble Length Long Wireless Interface 802.1 1b/g (Continued) V AP1: Network Name (SSID) RoamAbout De fault Netwo rk Name 1 V AP2: Network Name (SSID) RoamAbout De fault Netwo rk Name 2 V AP3: Network Name (SSID) RoamAbout De fault Netwo rk Name 3 V AP4: Network Name (SSID) RoamAbout De fault Netwo rk Name 4 V AP5: Network Nam[...]
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RoamAbout RBT-4102 Wireless Access Point Config uration Guide B-1 B T roubleshooting T roubleshooting Step s Check the following items before contacting technical suppor t. 1. If wireless clients c annot access the network, check the following: a. Be sure the access poi[...]
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Troubleshooting Steps B-2 Troubleshooting 3. If you cannot access the on ‐ board configuration program via a serial port connection: a. Be sure you have set the te rminal emulator program to VT100 compatible, 8 data bits, 1 stop bit[...]
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Maximum Distance Tables RoamAbout RBT-4102 Wireless Access Point Config uration Guide B-3 Maximum Dist ance T ables Ta b l e B ‐ 1 through Ta b l e B ‐ 3 list the wireless distance s. The operating range distances listed in the following tabl es are for typical environments[...]
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Maximum Distance Tables B-4 Troubleshooting[...]
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Index-1 Index Numerics 802.1D tags WWM 4-68 802.1x description 4-83 enable options 4-84 session key refresh rate 4-84 session timeout 4-84 802.1x su pplicant 4-16 password 4-16 username 4-16 using the CLI 4-17 A Administration CLI 4-41 Advanced c onfigurat ion 4-1 All VAP mode 4-19 Antenna ID 4-59 AP scan duration 4-28 scan interval 4-28 Applicatio[...]
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Index-2 Logging Console 4-45 Logging level 4-46 Lost password B-2 M MAC address authentication 4-84 MAC Authentication MAC address username 4-1 1 RADIUS server password required 4-1 1 MAC Authentication Settings 4-85 MAC Authentication table 4-85 Maximum Associations 4-58 Maximum data rate 802.11a interface 4-60 maximum data rate 4-60 Maximum dista[...]
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Index-3 V VLAN configuration 4-58 native ID 4-58 VLAN ID 4-19 VLAN ID RADIUS Attributes 4-58 VLAN IDs 4-58 VLANs 4-18 W WDS 4-50 bridge 4-52 CLI 4-54 WDS & STP web management 4-51 Web Manageme nt SNMP 4-30 WMM 4-69 Web manageme nt administration 4-40 authentication 4-16 CDP 4-24 com port 4-41 configuration page descriptions 4-1 default username[...]
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Index-4[...]