3Com WX4400 3CRWX440095A manuale d’uso

http://www.3Com.com/ Part No. 10015911 Rev AB Published November 2007 Wir eless LAN Mobility System W ir eless LAN Switch and Contr oller Har dwar e Installation Guide WX4400 3CRWX440095A WX2200 3CRWX220095A WX1200 3CRWX120695A WXR100 3CRWXR10095A[...]

3Com Corporati on 350 Campus Drive Marlborough, MA USA 01752-3064 Copyright © 2 007, 3Com Corporation. Al l rights reserved . No part of this documen tation may be repr oduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without writt en permission from 3Com Corporation. 3Com [...]

C ONTENTS A BOUT T HIS G UIDE Conventions 6 Documentation 7 Documentation Comments 8 1 WX S WITCH O VERVIEW WX Model Numbers 9 Ha rdwa re Fe atu res 10 WX2200 Switch 10 WXR100 Switch 11 WX1200 Switch 12 WX4400 Switch 13 Management Featur es 14 Power Features 14 Network Inte rfaces 15 WX1200, WX4400, and WX2200 Status LEDs 16 WXR100 LEDs 17 Software[...]

Installation Hardware and T ools 29 Installing a WX Switch 30 Equipment Rack Installation 31 T abletop Installation 33 Installing a Power Supply in a WX4400 Switch 34 Installing a New Power Supply 34 Replacing a Power Supply 35 Powering On a WX Sw itch 37 Powering On a WXR100 S witch 37 Connecting to a Serial Management Console 38 T roubleshooting [...]

A BOUT T HIS G UIDE This guide shows you how to install a 3Com W ir eless LAN Switch (WX) in a 3Com Mobility System wireless LAN (WLAN) and deploy basic IEEE 802.11 wireless service. Read this guide if you are a network administrator or other person installing WX switches and depl oying 802.11 wireless service in a network. The 3Com Mobility System[...]

6 A BOUT T HIS G UIDE Conventions Ta b l e 1 and T able 2 list conventions that ar e used throughout this guide. Ta b l e 1 Notice Icons Icon Notice Type Description Information note Information that describes important features or instructions Caution Information that alerts you to potential loss of data or potential damage to an application, syst[...]

Documentation 7 Documentation The MSS documentation set includ es the following documents.  Wireless Switch Manager (3WXM) Rele ase Notes These notes provide information about the 3WXM sof twar e release, including new features and bug fixes.  Wireless LAN Switch and Controller Release Notes These notes provide information about the MSS softw[...]

8 A BOUT T HIS G UIDE Documentation Comments Y our suggestions ar e ve ry important to us. Th ey will help make our documentation more useful to you. Please e-mail co mments about this document to 3Com at: pddtechpubs_comments@3com.com Please include the f ollowing information when contactin g us:  Document ti tle  Document part number and re[...]

1 WX S WITCH O VERVIEW A 3Com Wi r eless Switch (WX) prov ides mobility and authentication, authorization, and accounting (AAA) services for wireless or wired users. A WX switch also controls the operation of 3Com Managed Access Po int (MAP) access points, which control and manage IEEE 802.11 operation over the air . WAR NI NG: Installation must be[...]

10 C HAPTER 1: WX S WITCH O VERVIEW Ha rdw are Fe at ure s The following sections describe the WX hardwar e features. WX2200 Switch A WX2200 switch is one RU high and al so can be installed in a standard 48.26-cm (19-inch) equipmen t rack or on a tabletop. Figure 1 shows the features of a WX2200 switch. Figure 1 3Com WX2200 Switch The rear of the s[...]

Hardware Features 11 WXR100 Switch A WXR100 switch is compact and can be installed on a tabletop. Figure 2 shows the extern al har dware features of an WXR100 switch. Figure 2 3Com WXR100 Switch CAUTION: Do not stack WXR1 00 switches. Stacked WXR100 switches can overheat and cause loss of equi pment functionalit y or permanent damage. CAUTION: Ensu[...]

12 C HAPTER 1: WX S WITCH O VERVIEW WX1200 Switch A WX1200 switch is one RU high and can be installed in a standard 48.26-cm (19-inch) equipmen t rack or on a tabletop. Figure 3 shows the external hardware featur es of a WX1200 switch. Figure 3 3Com WX1200 Switch—Contr ol Features The rear of the switch contains a label with the se rial ID, MAC a[...]

Hardware Features 13 WX4400 Switch A WX4400 switch is two rack units (R Us) high and can be installed in a standard 48.26-cm (19-inch) equi pment rack or on a tabletop. Figure 4 identifies the exter nal har dware features of a WX4400 switch. Figure 4 3Com WX4400 Switch—Contr ol Features Like the WX1200, the r ear of the WX 4400 contains a label w[...]

14 C HAPTER 1: WX S WITCH O VERVIEW Management Features  Serial console port—The serial console port provides a dir ect management connection to a W X switch’ s command-line interface (CLI). The port has a DB-9 female connector and supports the EIA-232D signa ling standar d.  10/100 out-of-band manag ement port—The WX2200 switch feature[...]

Hardware Features 15 Network Interfaces  10/100 Ether net ports—A WXR100 switch has two 10/100BASE-TX Ether net ports. A WX1200 switch has eight 10/100BASE-TX Ether net ports. Each port has a standar d RJ-45 connector and uses Category 5 (Cat 5) cable based on the EIA/TIA-586 standard. On the WXR100, port 2 can be configured for MAP access poi[...]

16 C HAPTER 1: WX S WITCH O VERVIEW WX1200, WX4400, and WX2200 Status LEDs The WX1200, W X4400, and WX2200 swit ches have LEDs that indicate port, power , and CPU status. Ta b l e 4 lists the LEDs. (For the location of each LED, see Figure 3 and Figur e 4 .) Ta b l e 4 WX1200, WX4400, and WX2200 Status LEDs LED Appearance Meaning Mgmt (WX4400 and W[...]

Hardware Features 17 WXR100 LEDs Figure 5 shows the locations of the WXR100 LEDs. T a ble 5 describes the LEDs. Figure 5 WXR100 LEDs MAP (WX1200 only) Solid green For a MAP access point’s active link, with PoE enabled, all the following are true:  MAP access point has booted.  MAP access point has received a valid configuration from the WX [...]

18 C HAPTER 1: WX S WITCH O VERVIEW T able 5 WXR100 Status LEDs LED Appearance Meaning Power status Solid green The switch is receiving power. Unlit The switch is not receiving power. Link (ports 1 and 2) Solid green 100-Mbps link is operational. Solid amber 10-Mbps link is operational. Blinking green Traffic is active on the 100-Mbps link. Blinkin[...]

Software Features 19 Software Featur es Mobility System Software (MSS) pr ov ides a combination of standard wired LAN features and wireless LAN featur es that enable you to integrate the switch into your wire d network and pr ovide network access for wired or wir eless users. Management Features  Serial and network command-line interface (CLI) a[...]

20 C HAPTER 1: WX S WITCH O VERVIEW IP Services  IP interfaces—Y ou can configure an IP interface for each VLAN.  IP ping and traceroute—Y ou can test IP connectivity b etween the WX switch and other devices.  Domain Name Service (DNS)—Y ou ca n configure the switch to use DNS servers for name resolution. Y ou also can config ur e a [...]

Software Features 21 RF Management  RF Auto-T uning—MSS can automatica lly assign channels a nd power settings to MAP access points based on RF informat ion collected fr om the network.  Radio frequency (RF) to pology—With 3Com Wirele ss Switch Manager, you can verify site coverage and capacity .  Rogue detection and coun termeasures?[...]

22 C HAPTER 1: WX S WITCH O VERVIEW[...]

2 I NSTALLING AND C ONNECTING A WX S WITCH Before installing a WX switch, you might need to generate a network plan with 3Com W ireless Switch Manager. (See “3Com W ireless Switch Manager Network Plan” on page 25 .) Unpacking a WX Switch The shipping carton for a WX switch contains the following items:  One WX switch, containing one power su[...]

24 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Figure 6 WX4400 Switch Shipping Carton Contents Befor e you begin installa tion: 1 Open the carton and carefully r emove the contents, if you have not already done so. 2 Place the packing mate rials back in the carton and save the carton. 3 V erify that you r eceived each it em in the pr eviou[...]

Installation Requirements and Recommendations 25 Installation Requirements and Recommendations For best results, follow these r equirements and recommendations before installing a WX switch. 3Com Wire less Switch Manager Network Plan If you are using 3Com Wireless Switch Manager to plan your 3Com Mobility System installa tion, 3Com recommends that [...]

26 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Cable Requirements T o avoid inst allation pr oblems, use the proper cables. WAR NI NG: The gigabit Ethernet fiber - optic interfaces use Class 1 lasers. T o reduce the risk of eye injury , do not stare into the interface or otherwise direct the laser beam into your eye. Serial Console Cable T[...]

Installation Requirements and Recommendations 27 The WX1200 supports 10/10 0 Ethernet connections. T able 8 lists the link type and properties of the supported connections. 10/100 Ethernet Cable Wiring Connections on the 10/100 ports req ui re C ate go ry 5 (Cat 5) cable based on the EIA/TIA-586 standard. For direct connection to a MAP access point[...]

28 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH MAP Cable Requirement Use a straight-through Ethernet cable to connect a MAP access point directly to a WX switch or indir ectly through another device. 1000BASETX Gigabit Etherne t Cable Wiring Use Cat 5 Enhanced (Cat 5E) or better cable. 1000 BASE-TX uses all 8 wir es in the cable. The wirin[...]

Installation Requirements and Recommendations 29 Installation Har dware and T ools Ta b l e 10 lists the mou nting har dware and tools required for each type of installation. WAR NI NG: T o reduce the risk of equipmen t damage, make sure the WX switch is installed so that the mechanical load on the de vice is evenly distributed. For example, make s[...]

30 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Installing a WX Switch Y ou can mount a WX1200, WX4400, or WX2200 switch in a standard 48.26-cm (19-inch) equipmen t rack or on a tabletop. Each switch is shipped with two brackets for rack mounting and four adhesive rubber feet for tabletop mounting. The WX440 0 mounting brackets support eith[...]

Installing a WX Switch 31 Equipment Rack Installation Y ou can install a WX4400 switch into a front-mount or center -moun t equipment rack. Y ou can install a WX2200 or WX1200 switch into a front-mount equipment rack.  Figur e 7 shows how to install a WX4400 switch into a front-mount equipment rack. (Installation of a WX1 200 or WX2200 switch is[...]

32 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Figure 8 WX4400 Installation—Center -Mount Equipment Rack 1 Remove the four bracket screws fr om each side of the WX switch. 2 Align a bracket over the screw hole s:  For a front-mount equipment rack, align the br acket so that the bracket flange is flush with the WX switch’ s front pan[...]

Installing a WX Switch 33 5 Lift the WX switch into position in the equipment rack. WAR NI NG: T o prevent the WX switch from slipping, do not releas e the switch until all the rack-mount screws are tight. 6 Insert the bottom rack-mount screws into the bracket flan ges to secur e the WX switch to the equipment rack, then insert the top screws. 7 Do[...]

34 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Installing a Power Supply in a WX4400 Switch A WX4400 switch is sh ipped with a single 100-240 V AC autosensing AC power supply . One power supply pr ovides enough power for a fully configured system. Y ou can add a second power supply for load sharing and redundancy . A WX4400 switch co ntain[...]

Installing a Power Supply in a WX4400 Switch 35 Figure 9 Inserting a Power Supply in a WX4400 Switch 5 T ighten the thumbscr ew using a #2 Phillips-head screwdriver . 6 Go to “Powering On a WX Switch” on page 37 . Replacing a Power Supply 1 Remove the power cord from the power supply . 2 Loosen the thumbscrew using a #2 Phillips-head screwdri v[...]

36 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Figure 10 Removing a Power Supply fr om a WX4400 Switch 4 Place your other hand under the supply to sup port it and r emove the supply the rest of the way out of the slot. 5 Go to step 3 of “Installing a New Powe r Supply” on page 34 . Loosen thumbscrew[...]

Powering On a WX Switch 37 Powering On a WX Switch WAR NI NG: The WX switch relies on the building’ s installation for overcurrent protection. Ensure that a fuse or circuit br eaker no larger than 120 VA C, 1 5 A U.S. (240 VA C , 1 0 A in ternational) is used on the phase conductors. CAUTION: If a WX1200 or WXR1 00 switch is connected to Power So[...]

38 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Connecting to a Serial Management Console Initial configuration of the WX switch requir es a connection to the switch’ s CLI through the serial console port. Figure 11 shows how to install a serial cable on the WX swit ch. Refer to this figur e as you perfor m the procedu re. (For cable r eq[...]

Troubleshooting a Serial Mana gement Connection 39 T roubleshooting a Serial Management Connection If a command prompt does not appear when attempting to initiate a serial management conne ction, do the following: 1 V erify that the WX switch is powered on. 2 V erify that the serial cable is fully inserted in the PC and WX switch ports. 3 V erify t[...]

40 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH For installations in Japan: Provide an earthing connection before you connect the mains plug to the mains. Wh en disconnecting the earthing connection, make sure to d isconnect only after you pull ou t the mains plug for the mains. Figur e 12 shows how to install a Cat 5 cable for a 10/100 Eth[...]

Connecting to the Network 41 3 If the cable is attached to a w ir ed end statio n that uses AAA through the WX switch to access the network:  For a first-time installation, set the port type to activa te the link. (For information, see “Setting a Port for a W ire d Authentication User” in the Wireless LAN Switch and Controller Configuration [...]

42 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Connecting to Gigabit Ethernet Dev ices The following procedures explain how to connect a WX4400 switch’ s copper or fiber Gigabit port to the network. WAR NI NG: The gigabit Ethernet fiber - optic interfaces use Class 1 lasers. T o reduce the risk of eye injury , do not stare into the inter[...]

Connecting to the Network 43 Figure 14 GBIC Removal from a WX4400 Switch T o install a GBIC: 1 Insert the GBIC into a GBIC slot on the front panel until it clicks into place. 2 Remove the protective covering(s) from the port connector(s) and set them aside in a safe place for later use. 3 Insert the network cable. For 1000BASE-SX or 1000 BASE-LX fi[...]

44 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH Connecting to a Fiber Gi gabit Device (WX2200) Y ou must install a miniatur e gigabit interface conver ter (mini-GBIC) to connect a WX2200 switch t o 1000BASE-SX, 1000BASE-LX, or 1000BASE-TX cable. Figur e 15 shows how to install a mini-GBIC. Figure 16 shows how to remove one. Refer to these f[...]

Connecting to the Network 45 T o install a mini-GBIC: 1 Insert the mini-GBIC into a mini-GBIC slot on the front panel until it clicks into place. 2 Remove the protective covering(s) fr om the port co nnector(s). 3 Insert the network cable. For 1000BASE-SX or 1000 BASE-LX fibe r , make sure you insert the two cable ends in the proper sides (transmit[...]

46 C HAPTER 2: I NSTALLING AND C ONNECTING A WX S WITCH[...]

A WX T ECHNICAL S PECIFICATIONS See the appropriate table for the techni cal specifications for the following wireless switch models:  Ta b l e 11 — W ir eless switch model WX4400  Ta b l e 12 — W ir eless switch model WX1200  Ta b l e 13 — W ir eless switch model WXR100  Ta b l e 14 — W ir eless switch model WX2200 Ta b l e 11 [...]

48 C HAPTER A: WX T ECHNICAL S PECIFICATIONS Status indicators Management CPU status LED Power supply status LEDs Port activity and link speed LEDs (For descriptions of the LEDs, see “WX1200, WX4400, and WX2200 Status LEDs” on page 16 .) Wired network ports Four dual-interface gigabit Ethernet ports. Each port has a 1000BASE-TX copper interface[...]

49 Status indicators Power supply status LEDs Port activity and link speed LEDs (For descriptions of the LEDs, see “WX1200, WX4400, and WX2200 Status LEDs” on page 16 .) Wired network ports Six RJ-45 ports for 10/100BASE-T Ethernet and optional Power over Ethern et (PoE) Two RJ-45 ports for 10/100BASE-T Ethernet uplinks (without PoE) Safety and[...]

50 C HAPTER A: WX T ECHNICAL S PECIFICATIONS Status indicators Power supply sta tus LED Port activity and link speed LEDs Fn LED (For descriptions of th e LEDs, see “WXR100 LEDs” on page 17 .) Wired network ports One RJ-45 port for 10/100BASE-T Ethernet and optional Power over Ethernet (PoE) One RJ-45 10/100BASE-T Ethernet uplink (without PoE) [...]

51 Wired network ports Two miniature gigabit interface converter (mini-GBIC) slots for 1000BASE-SX, 1000BASE-LX, or 1000BASE-TX gigabit Ethernet ports One RJ-45 port for 10/100BASE- T Ethernet (without PoE) used for out-of-band management Safety and electromagnetic compliance Regulatory Safety:  UL 60950  TUV/GS (EN 60 950)  CSA 22.2 NO. 6[...]

52 C HAPTER A: WX T ECHNICAL S PECIFICATIONS[...]

B WX T R OUBLESHOOTING Ta b l e 15 contains remedies for some common problems that can occur during basic installation and setup of a WX switch. Ta b l e 15 WX Setup Problems and Remedies Symptom Diagnosis Remedy 3Com Wireless Switch Manager or a web browser (if you are using Web View) warns that the WX switch’s certificate date is invalid. The s[...]

54 C HAPTER B: WX T ROUBLESHOOTING WX switch does not accept configuration information for an MAP access point or a radio. The country code might not be set or might be set for another country. 1 Type the displa y system command to display the country code config ured on the switch. 2 If the value in the System Countrycode field is NONE or is for a[...]

55 Configuration information disappears after a software reload. The configuration changes were not saved. 1 Retype the commands for the missing configuration information. 2 Type the save config command to save the changes. Mgmt LED is quickly blinking amber. CLI stops at boot prompt (boot>). The WX switch was unable to load the system image fil[...]

56 C HAPTER B: WX T ROUBLESHOOTING[...]

C O BTAINING S UPPORT FOR Y OUR 3C OM P R ODUCTS 3Com offers pr oduct registration, ca se management, and r epair services through eSupport.3com.com . Y ou must have a user name and password to access these services, which ar e described in this appendix. Register Y our Product to Gain Service Benefits T o take advantage of warranty and ot her serv[...]

58 A PPENDIX C: O BTAINING S UPPORT FOR Y OUR 3C OM P RODUCTS Purchas e Extended W arranty and Professional Services T o enhance r esponse times or extend y our warranty ben efits, you can purchase value-added services such as 24x7 telephone technical support, software upgrades, onsite assistance, or advanced hardware replacement. Experienced engin[...]

Contact Us 59 T elephone T echnical Support and Repair T o obtain telephone support as part of your warranty and other service benefits, you must first register your pr oduct at: http://eSupport.3com.com/ When you contact 3Com for assistance, please have the following information ready: ■ Product model name, part number , and serial number ■ A [...]

60 A PPENDIX C: O BTAINING S UPPORT FOR Y OUR 3C OM P RODUCTS Pakistan Call the U.S. direct by dialing 00 800 01001, th en dialing 800 763 6780 Sri Lanka Call the U.S. direct by dialing 02 430 430, then dialing 800 763 6780 Vietnam Call the U.S. direct by dialin g 1 201 0288, then dialing 8 00 763 6780 You can also obtain non-urgent sup port in thi[...]

Contact Us 61 US and Canada — T elephone T echnical Support and Repai r All locations: Network Jacks; Wired or Wireless Network Interface Cards: All other 3Com products: 1 847-262-0070 1 800 876 32 66 Country Telephone Number Country Telephone Number[...]

62 A PPENDIX C: O BTAINING S UPPORT FOR Y OUR 3C OM P RODUCTS[...]

I NDEX Numbers 10/100BASE-T 27 1000BASE-LX 27 1000BASE-SX 27 1000BASE-TX 27 3Com Knowledgebase tool 57 3Com Professional Services 58 3Com resour ces, directory 59 3WXM network plan 25 A AC power inlet 14 authentication failure, tr oubleshooting 54 B booting 37 bug fixes 58 C cables network 26 serial console 26 certificates invalid, troubleshooting [...]

64 I NDEX equipment rack 31 power supplies, WX4400 34 requ iremen ts 25 requir ements, MAP connections 28 requir ements, tools 29 tabletop 33 troubleshooting 53 warnings, earth groundi ng 30 warnings, gigabit Ethernet fib er 26 warnings, overcurrent 30 warnings, service 9 internet s upport 58 invalid certificate, troubleshooting 53 K Knowledgebase [...]

I NDEX 65 solving problems online 57 specifications 47 starting the system 37 status LEDs. See LEDs status lights. See LEDs support, e-mail 58 support, internet 58 support, technical 58 switch. See WX switch system configuration missing, troubleshooting 55 system image file, incomplete load, troubleshooting 55 T table of 3Com support contact number[...]

66 I NDEX[...]