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SNMP Commands

7-25

snmp-server contact

This command sets the system contact string. Use the

form to remove the

system contact information.

Syntax

snmp-server contact

string

no snmp-server contact

string

- String that describes the system contact. (Maximum length: 255

characters)

Default Setting

Contact

Command Mode

Global Configuration

Example

Related Commands

snmp-server location (7-27)

snmp-server enable server

This command enables SNMP management access and also enables this device to
send SNMP traps (i.e., notifications). Use the

form to disable SNMP service and

trap messages.

Syntax

snmp-server enable server
no

snmp-server enable server

Default Setting

Enabled

Command Mode

Global Configuration

Command Usage

• This command enables both authentication failure notifications and

link-up-down notifications.

• The

snmp-server host

command specifies the host device that will receive

SNMP notifications.

MRW55#(config)#snmp-server contact Paul
MRW55#(config)#

Содержание MRW55

Страница 1: ...MRW55 MRW55M Dual Band Outdoor Access Point Bridge User Guide...

Страница 2: ......

Страница 3: ...User Guide Dual Band Outdoor Access Point Bridge IEEE 802 11a b g Access Point Bridge Master Unit with External Antenna Options MRW55M Slave Unit with Integrated High Gain Antenna MRW55...

Страница 4: ...MRW55 MRW55M E022005 R01...

Страница 5: ...nnected Consult the dealer or an experienced radio TV technician for help Warnings 1 Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling th...

Страница 6: ...mit the allowable channels determined by the current country of operation Incorrectly entering the country of operation may result in illegal operation and may cause harmful interference to other syst...

Страница 7: ...nt channel of operation and make necessary configuration changes to ensure operation occurs in conformance with European National spectrum usage laws as described below and elsewhere in this document...

Страница 8: ...only This unit cannot be powered from IT supplies If your supplies are of IT type this unit must be powered by 230 V 2P T via an isolation transformer ratio 1 1 with the secondary connection point la...

Страница 9: ...les m mes conditions France et P rou uniquement Ce groupe ne peut pas tre aliment par un dispositif imp dance la terre Si vos alimentations sont du type imp dance la terre ce groupe doit tre aliment p...

Страница 10: ...haben Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich sein Die Stromversorgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden...

Страница 11: ...rombelastbarkeit aus wenigstens 10 A Dieser Stromstecker mu hat einer erdschluss mit der typ NEMA 5 15P 15A 125V oder NEMA 6 15P 15A 250V konfiguration Danemark Dieser Stromstecker mu die ebene 107 2...

Страница 12: ...viii...

Страница 13: ...s Point or Bridge 2 1 Infrastructure Wireless LAN 2 2 Infrastructure Wireless LAN for Roaming Wireless PCs 2 3 Bridge Link Topologies 2 4 Point to Point Configuration 2 4 Point to Multipoint Configura...

Страница 14: ...tion System WDS 6 31 Bridge 6 33 Spanning Tree Protocol STP 6 36 RSSI 6 40 Radio Interface 6 41 Radio Settings A 802 11a 6 42 Radio Settings G 802 11g 6 46 Security Bridge Mode 6 48 Security Access Po...

Страница 15: ...http server 7 14 show system 7 15 show version 7 15 System Logging Commands 7 16 logging on 7 16 logging host 7 17 logging console 7 17 logging level 7 18 logging facility type 7 18 show logging 7 19...

Страница 16: ...hentication server 7 41 mac authentication session timeout 7 41 show authentication 7 42 WDS Commands 7 42 wds channel 7 43 wds mac address 7 43 wds enable 7 44 show wds 7 44 Bridge Commands 7 46 brid...

Страница 17: ...interface ethernet 7 64 dns server 7 64 ip address 7 65 ip dhcp 7 66 shutdown 7 66 show interface ethernet 7 67 Wireless Interface Commands 7 68 interface wireless 7 69 description 7 69 ssid 7 70 clo...

Страница 18: ...egrated Panel B 3 8 dBi Omnidirectional 2 4 GHz B 4 8 dBi Omnidirectional 5 GHz B 6 13 5 dBi 120 Degree Sector B 7 16 5 dBi 60 Degree Sector B 9 23 dBi High Gain Panel B 11 Appendix C Cables and Pinou...

Страница 19: ...ffers a fast reliable and cost effective solution for connectivity between remote Ethernet wired LANs or to provide Internet access to an isolated site The system is also easy to install and operate i...

Страница 20: ...ing bracket kit Outdoor wall mounting bracket kit This User Guide Inform your dealer if there are any incorrect missing or damaged parts If possible retain the carton including the original packing ma...

Страница 21: ...area The MRW55 and MRW55M units both require the 2 4 GHz 8 dBi omnidirectional external antenna for 2 4 GHz operation The following table summarizes the external antenna options External antennas conn...

Страница 22: ...injector module is included in the wireless bridge package and provides two RJ 45 Ethernet ports one for connecting to the wireless bridge Output and the other for connecting to a local LAN switch Inp...

Страница 23: ...less bridge link Grounding Point Even though the wireless bridge includes its own built in lightning protection it is important that the unit is properly connected to ground A grounding screw is provi...

Страница 24: ...ludes wall and pole mount brackets Security through 64 128 152 bit Wired Equivalent Protection WEP or 128 bit Advanced Encryption Standard AES encryption Scans all available channels and selects the b...

Страница 25: ...t Disabled Logging Console Disabled IP Address Host Name 0 0 0 0 Logging Level Informational Logging Facility Type 16 Spanning Tree Status Enabled Ethernet Interface Speed and Duplex Auto WDS Bridging...

Страница 26: ...D MRW55 Radio Channel Default to first channel Auto Channel Select Enabled Transmit Power Full Maximum Data Rate 54 Mbps Beacon Interval 100 TUs Data Beacon Rate DTIM Interval 2 beacons RTS Threshold...

Страница 27: ...ss network cards adapters and access points can be configured as Ad hoc for departmental SOHO or enterprise LANs Infrastructure for wireless LANs Infrastructure wireless LAN for roaming wireless PCs T...

Страница 28: ...in the wired LAN infrastructure through the access point The infrastructure configuration not only extends the accessibility of wireless PCs to the wired LAN but also increases the effective wireless...

Страница 29: ...nually configured by the clients can be detected in an access point s beacon or can be obtained by querying for the identity of the nearest access point For clients that do not need to roam set the SS...

Страница 30: ...oint services When using WDS on a radio band only wireless bridge units can associate to each other Wireless clients can only associate with the wireless bridge using a radio band set to access point...

Страница 31: ...ge Link Topologies 2 5 2 MRW55M Master with Omnidirectional Antenna MRW55 Slave MRW55 Slave MRW55 Slave MRW55 Slave MRW55 Slave MRW55 Slave MRW55M Master with Sector Antenna MRW55 Slave MRW55 MRW55 Sl...

Страница 32: ...Network Configuration 2 6 2...

Страница 33: ...able in local radio regulations prior to equipment installation Data Rates Using its 5 GHz integrated antenna the MRW55 Slave bridge can operate over a range of up to 15 4 km 9 6 miles or provide a hi...

Страница 34: ...t and may be reduced by local regulatory limits For accurate distances you need to calculate the power link budget for your specific environment Distances Achieved Using Turbo Mode Data Rate 17 dBi In...

Страница 35: ...es in the path and may not even require a visual line of sight between the antennas When planning the radio path for a wireless bridge link consider these factors Avoid any partial line of sight betwe...

Страница 36: ...nimum clearance required for a clear radio line of sight Consider the following simple example illustrated in the figure below Total Link Distance Max Clearance for 60 of First Fresnel Zone at 5 8 GHz...

Страница 37: ...m 4 3 ft is needed Warning Never construct a radio mast pole or tower near overhead power lines Note Local regulations may limit or prevent construction of a high radio mast or tower If your wireless...

Страница 38: ...signal If radio interference is still a problem with your wireless bridge link changing the antenna polarization direction may improve the situation Weather Conditions When planning wireless bridge l...

Страница 39: ...link Ethernet Cabling When a suitable antenna location has been determined you must plan a cable route form the wireless bridge outdoors to the power injector module indoors Consider these points The...

Страница 40: ...Bridge Link Planning 3 8 3...

Страница 41: ...stallation of the wireless bridge involves these steps 1 Mount the unit on a wall pole mast or tower using the mounting bracket 2 Mount external antennas on the same supporting structure as the bridge...

Страница 42: ...cket may need to be rotated around the pole during the alignment process 3 Use the included nuts to tightly secure the wireless bridge to the bracket Be sure to take account of the antenna polarizatio...

Страница 43: ...larger diameter pole without using the U shaped part of the bracket This method is illustrated in the following figure Using the Wall Mounting Bracket Perform the following steps to mount the unit to...

Страница 44: ...bridge Typically a bridge link requires a 5 GHz antenna and access point operation a 2 4 GHz antenna MRW55 Slave units also require an external antenna for 2 4 GHz operation Perform these steps 1 Mou...

Страница 45: ...rs Connect the Power Injector To connect the wireless bridge to a power source Caution Do not install the power injector outdoors The unit is for indoor installation only Note The wireless bridge s Et...

Страница 46: ...bridge uses an omnidirectional or sector antenna which does not require alignment but Slave bridges still need to be correctly aligned with the Master bridge antennna Point to Point Configurations In...

Страница 47: ...n lobe To align the antennas in the link using the RSSI output voltage start with one antenna fixed and then perform the following procedure on the other antenna Note The RSSI output can be configured...

Страница 48: ...ent in that position Note Sometimes there may not be a central lobe peak in the voltage because vertical alignment is too far off only two similar peaks for the side lobes are detected In this case fi...

Страница 49: ...onfiguration using a PC that has IP settings compatible with this subnet for example 192 168 1 2 and connecting it directly to the wireless bridge When the basic configuration is completed you can set...

Страница 50: ...tings from a DHCP server You may also use the CLI to assign an IP address that is compatible with your network Type configure to enter configuration mode then type interface ethernet to access the Eth...

Страница 51: ...on IP configuration and basic WEP encryption for wireless security The wireless bridge can be managed by any computer using a web browser Internet Explorer 5 0 or above or Netscape Navigator 6 2 or ab...

Страница 52: ...Initial Configuration 5 4 5 Launching the Setup Wizard To perform initial configuration click Setup Wizard on the home page then click on the Next button to start the process...

Страница 53: ...alphanumeric characters Defaults MRW55 2 Radio Channel You must enable radio communications for the 802 11a and 802 11g radios and set the operating channel 802 11a Turbo Mode If you select Enable th...

Страница 54: ...figuration Protocol DHCP for automatic IP configuration If you disable DHCP then manually enter the IP address and subnet mask If a management station exists on another network segment then you must e...

Страница 55: ...ngs To set up a wireless bridge link you must configure the WDS forwarding table by specifying the wireless MAC address of the bridge to which you want to forward traffic For a Slave bridge unit you n...

Страница 56: ...form authentication based on a shared key that has been distributed to all stations Default Open System WEP Wired Equivalent Privacy is used to encrypt transmissions passing between wireless clients a...

Страница 57: ...anual Entry The key can contain 26 hexadecimal digits or 13 alphanumeric characters Note All wireless devices must be configured with the same Key ID values to communicate with the access point 6 Clic...

Страница 58: ...Initial Configuration 5 10 5...

Страница 59: ...ve Enter the default IP address http 192 168 1 1 To log into the wireless bridge enter the default user name and password both of which are admin and click LOGIN When the home page displays click on A...

Страница 60: ...ent access upgrades software from local file FTP or TFTP server resets configuration settings to factory defaults and resets the wireless bridge 6 23 System Log Controls logging of error messages sets...

Страница 61: ...ss point functions System Name An alias for the wireless bridge enabling the device to be uniquely identified on the network Default MRW55 Wireless Outdoor Bridge AP Range 1 22 characters Outdoor Brid...

Страница 62: ...fy the bridge band MRW55 configure 7 7 MRW55 config system name R D 7 12 MRW55 config snmp server location building 1 7 27 MRW55 config snmp server contact Paul 7 25 MRW55 config exit MRW55 show syste...

Страница 63: ...you are not using a DHCP server to configure IP addressing use the CLI to manually configure the initial IP values page 5 2 After you have network access to the wireless bridge you can use the web bro...

Страница 64: ...rs located on the local network type the IP addresses in the text fields provided Otherwise leave the addresses as all zeros 0 0 0 0 CLI Commands for TCP IP Settings From the global configuration mode...

Страница 65: ...r become inaccessible Note This guide assumes that you have already configured RADIUS server s to support the access point Configuration of RADIUS server software is beyond the scope of this guide ref...

Страница 66: ...cation again with primary server If communication with the primary server is re established the secondary server reverts to a backup role CLI Commands for RADIUS From the global configuration mode use...

Страница 67: ...PoE server Default Disable PPPoE Username The user name assigned for the PPPoE tunnel Range 1 63 alphanumeric characters PPPoE Password The password assigned for the PPPoE tunnel Range 1 63 alphanumer...

Страница 68: ...the example below to set a user name and password IP settings and other PPPoE parameters as required by the service provider The pppoe restart command can then be used to start a new connection using...

Страница 69: ...o the network Ethernet Supplicant Setup Allows the access point to act as an 802 1X supplicant so it can be authenticated through its Ethernet port with a RADIUS server on the local network When enabl...

Страница 70: ...on an associating station s MAC address Note Client station MAC authentication occurs prior to the IEEE 802 1X authentication procedure configured for the access point However a client s MAC address...

Страница 71: ...those successfully authenticated are allowed to access the network For those clients not initiating 802 1X access to the network is allowed after successful wireless association with the access point...

Страница 72: ...s specified MAC addresses and permissions into the local MAC database MAC Address Physical address of a client Enter six pairs of hexadecimal digits separated by hyphens for example 00 03 7F E0 06 EA...

Страница 73: ...MRW55 config 802 1X supplicant wds 1 7 38 MRW55 config MRW55 config mac authentication server local 7 41 MRW55 config address filter default denied 7 39 MRW55 config address filter entry 00 70 50 cc...

Страница 74: ...ettings use the show authentication command from the Exec mode MRW55 config mac authentication server remote 7 41 MRW55 config mac authentication session timeout 300 7 41 MRW55 config exit MRW55 show...

Страница 75: ...nfig 802 1X broadcast key refresh rate 5 7 36 MRW55 config 802 1X session key refresh rate 5 7 37 MRW55 config 802 1X session timeout 300 7 38 MRW55 config exit MRW55 show authentication 7 42 Authenti...

Страница 76: ...h client on the RADIUS server or the configured native VLAN ID Traffic received from the wired network must also be tagged with a known VLAN ID Received traffic that has an unknown VLAN ID or no VLAN...

Страница 77: ...upport 802 1X client software to be assigned to a specific VLAN When VLAN filtering is disabled the access point ignores the VLAN tags on any received frames Local Bridge Filter Controls wireless to w...

Страница 78: ...nt to filter To display the current settings use the show filters command from the Exec mode SNMP You can use a network management application to manage the wireless bridge via the Simple Network Mana...

Страница 79: ...horized management stations are only able to retrieve MIB objects Maximum length 23 characters case sensitive Default public Community Name Read Write Defines the SNMP community access string that has...

Страница 80: ...a trap receiver host To view the current SNMP settings use the show snmp command MRW55 config snmp server enable server 7 25 MRW55 config snmp server community alpha rw 7 24 MRW55 config snmp server...

Страница 81: ...promise wireless bridge and network security Note Pressing the Reset button on the back of the wireless bridge for more than five seconds resets the user name and password to the factory defaults For...

Страница 82: ...re upgrading your wireless bridge software it is recommended to save a copy of the current configuration file See copy on page 7 29 for information on saving the configuration file to a TFTP or FTP se...

Страница 83: ...es the name of the code file on the server The new firmware file name should not contain slashes or the leading letter of the file name should not be a period and the maximum length for file names on...

Страница 84: ...sent in the wireless bridge file system To run the new software use the reset board command to reboot the wireless bridge MRW55 copy tftp file 7 29 1 Application image 2 Config file 3 Boot block image...

Страница 85: ...s bridge supports a logging process that can control error messages saved to memory or sent to a Syslog server The logged messages serve as a valuable tool for isolating wireless bridge and network pr...

Страница 86: ...page 6 68 The Event Logs window displays the last 128 messages logged in chronological order from the newest to the oldest Log messages saved in the wireless bridge s memory are erased when the devic...

Страница 87: ...eriodically sending time synchronization requests to specific time servers You can configure up to two time server IP addresses The wireless bridge will attempt to poll each server in the configured s...

Страница 88: ...lobal configuration mode specify SNTP server IP addresses using the sntp server ip command then use the sntp server enable command to enable the service Use the sntp server timezone command to set the...

Страница 89: ...bridge band A wireless client cannot associate with the access point on the wireless bridge band To set up a wireless bridge link you must configure the WDS forwarding table by specifying the wireless...

Страница 90: ...ge units in the network must be configured in the forwarding table Slave Mode A Slave wireless bridge provides support for only one MAC address in the WDS forwarding table A Slave bridge communicates...

Страница 91: ...he link Bridge The wireless bridge can store the MAC addresses for all known devices in the connected networks All the addresses are learned by monitoring traffic received by the wireless bridge and a...

Страница 92: ...seen on the associated interface for longer than the aging time the entry is discarded Bridge Aging Time Changes the aging time for entries in the dynamic address table Ethernet The time after which...

Страница 93: ...config exit MRW55 show bridge 7 52 Bridge Information Media Type Age Time sec EtherNet 300 WLAN_A 1000 Bridge Id 32768 037fbef192 Root Bridge Id 32768 01f47483e2 Root Path Cost 25 Root Port Id 0 Bridg...

Страница 94: ...device to the root device Then it selects a designated bridging device from each LAN which incurs the lowest path cost when forwarding a packet from that LAN to the root device All ports connected to...

Страница 95: ...hould receive configuration messages at regular intervals Any port that ages out STP information provided in the last configuration message becomes the designated port for the attached LAN If it is a...

Страница 96: ...option if an interface is attached to a LAN segment that is at the end of a bridged LAN or to an end node Since end nodes cannot cause forwarding loops they can pass directly through to the spanning t...

Страница 97: ...ed 5 7 52 MRW55 config bridge stp port priority 5 0 7 50 MRW55 config bridge stp port path cost 5 50 7 50 MRW55 config no bridge stp port portfast 5 7 51 MRW55 config end MRW55 show bridge 7 52 Bridge...

Страница 98: ...cates that the signal is weak and the antennas may require realignment The RSSI controls allow the external connector to be disabled and the receive signal for each WDS port displayed RSSI The RSSI va...

Страница 99: ...urity features The configuration options are nearly identical but depend on which interface is operating as the bridge band Both interfaces and operating modes are covered in this section of the manua...

Страница 100: ...rough the access point must set their SSID to the same as that of the access point Default MRW55 Range 1 32 characters Note The SSID is not configurable when the radio band is set to Bridge mode Secur...

Страница 101: ...rom the wireless bridge The higher the transmission power the farther the transmission range Power selection is not just a trade off between coverage area and maximum supported clients You also have t...

Страница 102: ...f very little or no interference is present because it requires overhead to send multiple frames Range 256 2346 bytes Default 2346 bytes RTS Threshold Sets the packet size threshold at which a Request...

Страница 103: ...eless a transmit power full 7 75 MRW55 if wireless a speed 9 7 71 MRW55 if wireless a max association 32 7 76 MRW55 if wireless a beacon interval 150 7 72 MRW55 if wireless a dtim period 5 7 73 MRW55...

Страница 104: ...at the access point uses to communicate with wireless clients When multiple access points are deployed in the same area set the channel on neighboring access points at least five channels apart to avo...

Страница 105: ...global configuration mode enter the interface wireless g command to access the 802 11g radio interface Set the interface SSID using the ssid command and if required configure a name for the interface...

Страница 106: ...anumeric strings that are manually configured on all units in the wireless bridge network MRW55 show interface wireless g 7 84 Wireless Interface Information Identification Description Enterprise 802...

Страница 107: ...one encryption key on the wireless bridge Default Disable Shared Key Setup Select 64 Bit 128 Bit or 152 Bit key length Note that the same size of WEP encryption key must be set on all bridge units in...

Страница 108: ...d uses 128 bit static AES keys hexadecimal or alphanumeric strings that are configured for each link pair in the wireless bridge network For a Slave bridge unit only one encryption key needs to be def...

Страница 109: ...index and length values used in the key command must be the same values used in the encryption and transmit key commands MRW55 config interface wireless a 7 69 Enter Wireless configuration commands o...

Страница 110: ...ration commands one per line MRW55 if wireless a encryption wdsaes alphanumeric 7 77 MRW55 if wireless a key wdsaes 1 agoodsecretkey 7 78 MRW55 if wireless a exit MRW55 show interface wireless a 7 84...

Страница 111: ...ss filtering page 6 13 Wi Fi Protected Access WPA page 6 59 The security mechanisms that may be employed depend on the level of security required the network and management resources available and the...

Страница 112: ...ly WEP has been found to be seriously flawed and cannot be recommended for a high level of network security For more robust wireless security the access point provides Wi Fi Protected Access WPA for i...

Страница 113: ...ess point the network has no protection and is open to all users This is the default setting Shared Key Sets the access point to use WEP shared keys If this option is selected you must configure at le...

Страница 114: ...to 9 and A to F for 64 bit keys 26 hexadecimal digits for 128 bit keys or 32 hexadecimal digits for 152 bit keys 802 11a radio only Alphanumeric Enter keys as 5 alphanumeric characters for 64 bit keys...

Страница 115: ...set index 802 1X Disabled1 MAC Authentication Any setting2 Authentication Type Open System WEP encryption Enable WPA clients only Disable Multicast Cipher WEP Shared Key 64 128 802 1X Required1 MAC Au...

Страница 116: ...current 802 11g security settings use the show interface wireless g command not shown in example Security Closed System DISABLED Multicast cipher WEP Unicast cipher TKIP WPA clients SUPPORTED WPA Key...

Страница 117: ...al authentication between a client the access point and a RADIUS server that prevents users from accidentally joining a rogue network Only when a RADIUS server has authenticated a user s credentials w...

Страница 118: ...obal encryption key for multicast and broadcast traffic must be the same for all clients therefore it restricts encryption to a WEP key When access is opened to both WPA and WEP clients no authenticat...

Страница 119: ...must use the same WEP key to encrypt and decrypt radio signals WEP has many security flaws and is not recommended for transmitting highly sensitive data TKIP TKIP provides data encryption enhancements...

Страница 120: ...set 802 1X to required and disable MAC authentication To view WPA pre shared key only WPA over 802 1X Authentication Type Open System WEP encryption Enable1 WPA clients only Enable WPA Mode Pre share...

Страница 121: ...tion open 7 76 AP if wireless g encryption 128 7 77 AP if wireless g wpa clients required 7 81 AP if wireless g wpa mode dynamic 7 82 AP if wireless g multicast cipher TKIP 7 80 AP if wireless g end A...

Страница 122: ...s of the management interface for this device IP Default Gateway IP address of the gateway router between this device and management stations that exist on other network segments HTTP Server Shows if...

Страница 123: ...radio interface settings use the show interface wireless a command see page 7 84 MRW55 show system 7 15 System Information Serial Number System Up time 0 days 5 hours 2 minutes 4 seconds System Name M...

Страница 124: ...identity The shared key approach uses Wired Equivalent Privacy WEP to verify client identity by distributing a shared key to stations before attempting authentication Associated Shows if the station...

Страница 125: ...No 802 11a Channel Stations 802 11g Channel 11 802 11g Channel Station Table Station Address 00 04 E2 41 C2 9D VLAN ID 0 Authenticated Associated Forwarding KeyType TRUE TRUE TRUE NONE Counters pkts T...

Страница 126: ...level associated with this message For a description of the various levels see logging level on page 6 27 Event Message The content of the log message CLI Commands for Displaying the Event Logs From t...

Страница 127: ...consists of a network portion 192 168 1 and a host portion 1 To access the wireless bridge through a Telnet session you must first set the IP address for the wireless bridge and set the default gatew...

Страница 128: ...um Abbreviation The CLI will accept a minimum number of characters that uniquely identify a command For example the command configure can be entered as con If an entry is ambiguous the system will pro...

Страница 129: ...ct for all applicable commands Using Command History The CLI maintains a history of commands that have been entered You can scroll back through the history of commands by pressing the up arrow key Any...

Страница 130: ...tion mode To access Exec mode open a new console session with the user name admin The command prompt displays as MRW55 for Exec mode Configuration Commands Configuration commands are used to modify wi...

Страница 131: ...ches You can also use the following editing keystrokes for command line processing MRW55 config interface ethernet MRW55 if ethernet Keystroke Function Ctrl A Shifts cursor to start of command line Ct...

Страница 132: ...802 1x port access control and address filtering 7 35 WDS Configures the Wireless Distribution System forwarding table 7 42 Bridge Configures MAC address table aging time settings and spanning tree p...

Страница 133: ...on page 1 Default Setting None Command Mode Exec Example Related Commands end 7 7 end This command returns to the previous configuration mode Default Setting None Command Mode Global Configuration In...

Страница 134: ...the network can be reached The following are some results of the ping command Normal response The normal response occurs in one to ten seconds depending on network traffic Destination does not respond...

Страница 135: ...it will always run the Power On Self Test Example This example shows how to reset the system show history This command shows the contents of the command history buffer Default Setting None Command Mo...

Страница 136: ...t radio operation Exec 7 11 Device Designation prompt Customizes the command line prompt GC 7 12 system name Specifies the host name for the wireless bridge GC 7 12 snmp server contact Sets the system...

Страница 137: ...nce FR Luxembourg LU Slovenia SI Azerbaijan AZ Georgia GE Macao MO South Africa ZA Bahrain BH Germany DE Macedonia MK Spain ES Belarus BY Greece GR Malaysia MY Sweden SE Belgium BE Guatemala GT Mexico...

Страница 138: ...command Example prompt This command customizes the CLI prompt Use the no form to restore the default prompt Syntax prompt string no prompt string Any alphanumeric string to use for the CLI prompt Maxi...

Страница 139: ...ing admin Command Mode Global Configuration Example password After initially logging onto the system you should set the password Remember to record it in a safe place Use the no form to reset the defa...

Страница 140: ...he browser interface Range 1024 65535 Default Setting 80 Command Mode Global Configuration Example Related Commands ip http server 7 14 ip http server This command allows this device to be monitored o...

Страница 141: ...MRW55 config MRW55 show system System Information Serial Number 0000000000 System Up time 0 days 0 hours 33 minutes 45 seconds System Name MRW55 Wireless Outdoor Bridge AP System Location System Cont...

Страница 142: ...use the logging level command to control the type of error messages that are stored in memory Example MRW55 show version Version v1 1 2 1B05 MRW55 Command Function Mode Page logging on Controls loggin...

Страница 143: ...he name of a syslog server Range 1 20 characters host_ip_address The IP address of a syslog server Default Setting None Command Mode Global Configuration Example logging console This command initiates...

Страница 144: ...ty type type type A number that indicates the facility used by the syslog server to dispatch log messages to an appropriate service Range 16 23 Default Setting 16 MRW55 config logging console MRW55 co...

Страница 145: ...be used by the syslog server to sort messages or to store messages in the corresponding database Example show logging This command displays the logging configuration Syntax show logging Command Mode E...

Страница 146: ...able command the sntp server ip command specifies the time servers from which the wireless bridge polls for time updates The wireless bridge will poll the time servers in the order specified until a r...

Страница 147: ...urate dates and times for log events Without SNTP the wireless bridge only records the time starting from the factory default set at the last bootup i e 00 14 00 January 1 1970 Example Related Command...

Страница 148: ...he system clock back one hour during the specified period Example This sets daylight savings time to be used from July 1st to September 1st sntp server timezone This command sets the time zone for the...

Страница 149: ...the number of hours and minutes your time zone is east before or west after of UTC Example show sntp This command displays the current time and configuration settings for the SNTP client Command Mode...

Страница 150: ...gement stations are able to both retrieve and modify MIB objects Default Setting public Read only access Authorized management stations are only able to retrieve MIB objects private Read write access...

Страница 151: ...ation 7 27 snmp server enable server This command enables SNMP management access and also enables this device to send SNMP traps i e notifications Use the no form to disable SNMP service and trap mess...

Страница 152: ...otification operation Although you can set this string using the snmp server host command by itself we recommend that you define this string using the snmp server community command prior to using the...

Страница 153: ...m length 20 characters Default Setting None Command Mode Global Configuration Example Related Commands snmp server contact 7 25 show snmp This command displays the SNMP configuration settings Command...

Страница 154: ...leading letter of the file name should not be a period and the maximum length for file names is 32 characters Valid characters A Z a z 0 9 _ If the file contains an error it cannot be set as the defa...

Страница 155: ...nfiguration file from flash memory Default Setting None Command Mode Exec Command Usage The system prompts for data required to complete the copy command Only a configuration file can be uploaded to a...

Страница 156: ...and the one used to boot the wireless bridge is deleted be sure you first use the bootfile command to update the application image file booted at startup before you reboot the wireless bridge Example...

Страница 157: ...cription File Name The name of the file Type 2 Operation Code and 5 Configuration file File Size The length of the file in bytes MRW55 dir apimg1 765652 MRW55 bin 1309756 dflt img bin 1177004 ap3xart...

Страница 158: ...1 20 characters Default Setting None Command Mode Global Configuration Example radius server port This command sets the RADIUS server network port Syntax radius server secondary port port_number seco...

Страница 159: ...ult Setting DEFAULT Command Mode Global Configuration Example radius server retransmit This command sets the number of retries Syntax radius server secondary retransmit number_of_retries secondary Sec...

Страница 160: ...point waits for a reply before resending a request Range 1 60 Default Setting 5 Command Mode Global Configuration Example show radius This command displays the current settings for the RADIUS server D...

Страница 161: ...11 authentication for all others required Requires 802 1x authentication for all clients Command Function Mode Page 802 1x Configures 802 1x as disabled supported or required GC 7 35 802 1x broadcast...

Страница 162: ...802 1x access to the network is allowed after successful 802 11 association When 802 1x is required the access point enforces 802 1x authentication for all 802 11 associated stations If 802 1x authen...

Страница 163: ...update all key management capable wireless clients Example 802 1x session key refresh rate This command sets the interval at which unicast session keys are refreshed for associated stations using dyn...

Страница 164: ...ername 802 1x supplicant wds_password port password 802 1x supplicant wds_user port username 802 1x supplicant eth wds port no 802 1x supplicant eth wds port eth_password Specifies a password for auth...

Страница 165: ...ny listed MAC addresses Syntax address filter default allowed denied allowed Only MAC addresses entered as denied in the address filtering table are denied denied Only MAC addresses entered as allowed...

Страница 166: ...access point supports up to 1024 MAC addresses An entry in the address table may be allowed or denied access depending on the global setting configured for the address entry default command Example Re...

Страница 167: ...with the RADIUS server during 802 1x authentication Default local Command Mode Global Configuration Example Related Commands address filter entry 7 40 radius server address 7 32 show authentication 7...

Страница 168: ...ver REMOTE MAC Auth Session Timeout Value 1 secs 802 1x SUPPORTED Broadcast Key Refresh Rate 5 min Session Key Refresh Rate 5 min 802 1x Session Timeout Value 300 secs Address Filtering DENIED System...

Страница 169: ...r each node in the wireless bridge network Syntax wds mac address port id mac address port id The wireless port number for the bridge link 1 for Slave units 1 16 for Master units mac address The wirel...

Страница 170: ...rt ID Syntax no wds enable port id port id The wireless port number for the link 1 for Slave units 1 16 for Master units Default WDS forwarding disabled on all ports Command Mode Global Configuration...

Страница 171: ...LE 00 0E 87 3B 60 51 05 DISABLE 00 00 00 00 00 00 06 DISABLE 00 00 00 00 00 00 07 DISABLE 00 00 00 00 00 00 08 DISABLE 00 00 00 00 00 00 09 DISABLE 00 00 00 00 00 00 10 DISABLE 00 00 00 00 00 00 11 DI...

Страница 172: ...Function Mode Page bridge timeout Sets the aging time for the address table GC 7 46 bridge stp bridge spanning tree Enables the spanning tree protocol for the bridge GC 7 47 bridge stp bridge forward...

Страница 173: ...mpliant switch bridge or router in your network to ensure that only one route exists between any two stations on the network and provide backup links which automatically take over when a primary link...

Страница 174: ...ridge stp bridge hello time time no bridge stp bridge hello time time Time in seconds Range 1 10 seconds The maximum value is the lower of 10 or max age 2 1 Default Setting 2 seconds Command Mode Glob...

Страница 175: ...to the network Example bridge stp bridge priority Use this command to configure the spanning tree priority globally for the wireless bridge Use the no form to restore the default Syntax bridge stp br...

Страница 176: ...ed by the Spanning Tree Protocol to determine the best path between devices Therefore lower values should be assigned to ports attached to faster media and higher values assigned to ports with slower...

Страница 177: ...number on the wireless bridge Range 0 Ethernet interface 1 16 wireless interface Default Setting Disabled Command Mode Global Configuration Command Usage This command is used to enable disable the fa...

Страница 178: ...ge stp port spanning disabled port port Specifies the port number on the wireless bridge Range 0 Ethernet interface 1 16 wireless interface Default Setting Enabled Command Mode Global Configuration Ex...

Страница 179: ...Root Path Cost 25 Root Port Id 0 Bridge Status Enabled Bridge Priority 32768 Bridge Hello Time 2 Seconds Bridge Maximum Age 20 Seconds Bridge Forward Delay 15 Seconds Port Summary Id Priority Path Co...

Страница 180: ...nts access to wireless bridge management from the wireless interface Use the no form to disable this filtering Syntax filter ap manage no filter ap manage Default Disabled Command Mode Global Configur...

Страница 181: ...rotocol protocol An Ethernet protocol type Options ARP RARP Berkeley Trailer Negotiation LAN Test X25 Level 3 Banyan CDP DEC XNS DEC MOP Dump Load DEC MOP DEC LAT Ethertalk Appletalk ARP Novell IPX ol...

Страница 182: ...sses for the PPPoE tunnel are configured on the interface IC E 7 57 pppoe ipcp dns Negotiates DNS for the PPPoE tunnel IC E 7 58 pppoe lcp echo interval Sets LCP echo interval for the PPPoE tunnel IC...

Страница 183: ...ple pppoe ip allocation mode This command specifies how IP addresses for the PPPoE tunnel are configured on this interface Syntax pppoe ip allocation mode automatic static automatic IP addresses are d...

Страница 184: ...s PPPoE clients can request a primary and secondary DNS server from the network connection device at the remote end of the PPPoE tunnel This request is passed to the remote end during the IP Control P...

Страница 185: ...CP echo timeout for the PPPoE tunnel Syntax pppoe lcp echo failure timeout timeout The number of timeouts allowed Range 1 10 Default Setting 3 Command Mode Interface Configuration Ethernet Command Usa...

Страница 186: ...s must be entered with the pppoe remote ip command Example Related Commands pppoe ip allocation mode 7 57 pppoe remote ip 7 60 pppoe remote ip This command sets the remote IP address for the PPPoE tun...

Страница 187: ...face Configuration Ethernet Command Usage You must enter a user name with this command and a password with the pppoe password command Example Related Commands pppoe password 7 61 pppoe password This c...

Страница 188: ...anumeric characters Default Setting None Command Mode Interface Configuration Ethernet Command Usage The service name is normally optional but may be required by some service providers Example pppoe r...

Страница 189: ...tatic DNS Negotiation Enabled Local IP 10 7 1 200 Echo Interval 30 Echo Failure 5 MRW55 Command Function Mode Page interface ethernet Enters Ethernet interface configuration mode GC 7 64 dns primary s...

Страница 190: ...ry server server address dns secondary server server address primary server Primary server used for name resolution secondary server Secondary server used for name resolution server address IP address...

Страница 191: ...lt To manually configure a new IP address you must first disable the DHCP client with the no ip dhcp command You must assign an IP address to this device to gain management access over the network or...

Страница 192: ...m a DHCP server using this command When you use this command the wireless bridge will begin broadcasting DHCP client requests The current IP address i e default or manually configured address will con...

Страница 193: ...ons Example The following example disables the Ethernet port show interface ethernet This command displays the status for the Ethernet interface Syntax show interface ethernet Default Setting Ethernet...

Страница 194: ...gmented IC W 7 74 rts threshold Sets the packet size threshold at which an RTS must be sent to the receiving station prior to the sending station starting communications IC W 7 74 transmit power Adjus...

Страница 195: ...interface Use the no form to remove the description Syntax description string no description string Comment or a description for this interface Range 1 80 characters Default Setting None Command Mode...

Страница 196: ...set their SSIDs to the same as that of the access point Example closed system This command closes access to clients without a pre configured SSID Use the no form to disable this feature Syntax closed...

Страница 197: ...l This command configures the radio channel through which the local wireless bridge communicates with remote bridges Syntax channel channel auto channel Manually sets the radio channel used for commun...

Страница 198: ...al mode the wireless bridge provides a channel bandwidth of 20 MHz and supports the maximum number of channels permitted by local regulations e g 11 channels for the United States In Turbo Mode the ch...

Страница 199: ...he MAC layer forwards broadcast multicast traffic This parameter is necessary to wake up remote bridges that are using Power Save mode The DTIM is the interval between two synchronous frames with broa...

Страница 200: ...maller frame size If there is significant interference present or collisions due to high network utilization try setting the fragment size to send smaller fragments This will speed up the retransmissi...

Страница 201: ...he RTS CTS mechanism can solve this Hidden Node problem Example transmit power This command adjusts the power of the radio signals transmitted from the wireless bridge Syntax transmit power signal str...

Страница 202: ...epts the client without verifying its identity using a shared key shared Authentication is based on a shared key that has been distributed to all stations Default Setting open Command Mode Interface C...

Страница 203: ...k For more secure data transmissions enable WEP or AES encryption with this command and set at least one key with the key command AES has been designated by the National Institute of Standards and Tec...

Страница 204: ...s the ID is 1 For Master units the ID can be from 1 to 16 aes value The AES key string For alphanumeric input use 8 to 31 characters For hexadecimal input use exactly 32 digits Default Setting None Co...

Страница 205: ...g data frames broadcast or multicast from the wireless bridge Syntax transmit key index index Key index Range 1 4 Default Setting 1 Command Mode Interface Configuration Wireless Command Usage If you u...

Страница 206: ...ces must use the same WEP key to encrypt and decrypt radio signals WEP has many security flaws and is not recommended for transmitting highly sensitive data TKIP provides data encryption enhancements...

Страница 207: ...Protocol TKIP TKIP provides data encryption enhancements including per packet key hashing i e changing the encryption key on each packet a message integrity check an extended initialization vector wi...

Страница 208: ...amic mode keys are generated for each wireless client associating with the access point These keys are regenerated periodically and also each time the wireless client is re authenticated When the WPA...

Страница 209: ...all wireless clients must be configured with the same pre shared key to communicate with the access point Example Related Commands wpa clients 7 81 wpa mode 7 82 wpa psk type This command defines the...

Страница 210: ...n no shutdown Default Setting Interface enabled Command Mode Interface Configuration Wireless Example show interface wireless This command displays the status for the wireless interface Syntax show in...

Страница 211: ...ULL 15 dBm Max Station Data Rate 54Mbps Fragmentation Threshold 2346 bytes RTS Threshold 2347 bytes Beacon Interval 100 TUs DTIM Interval 2 beacons Maximum Association 64 stations Security Encryption...

Страница 212: ...support clients roaming from one access point to another In particular this can create a problem for clients roaming between access points from different vendors This command is used to enable or disa...

Страница 213: ...scription Changing the VLAN status of the wireless bridge forces a system reboot When VLANs are enabled the wireless bridge tags frames received from wireless interface with the configured native VLAN...

Страница 214: ...Configuration Command Usage When VLANs are enabled the wireless bridge tags traffic passing to the wired network with the configured native VLAN ID a number between 1 and 64 Example Related Commands v...

Страница 215: ...dio channel Be sure there is no other radio transmitter too close to either antenna If necessary move the antennas to another location 3 If the wireless bridge cannot be configured using Telnet a web...

Страница 216: ...Troubleshooting A 2 A 5 If you forgot or lost the password Contact Technical Support...

Страница 217: ...n 1 11 Data Rates 802 11a Normal Mode 6 9 12 18 24 36 48 54 Mbps per channel Turbo Mode 12 18 24 36 48 72 96 108 Mbps per channel 802 11g 6 9 11 12 18 24 36 48 54 Mbps per channel 802 11b 1 2 5 5 11 M...

Страница 218: ...2 497 GHz Japan 2 400 2 4835 GHz Taiwan Power Injector Input 100 240 VAC 47 63 Hz 1 5 A Output 48 VDC 1 2 A Bridge Power DC Input voltage 48 volts 1 2 A 30 watts maximum Physical Size 19 8 x 19 8 x 6...

Страница 219: ...826 802 11b Safety CSA NTRL CSA 22 2 No 950 UL 1950 Standards IEEE 802 3 10BASE T IEEE 802 3u 100BASE TX IEEE 802 11a b g Antenna Specifications 17 dBi Integrated Panel Frequency Range 5 150 5 850 GH...

Страница 220: ...000 QPSK 12 Mbps 20 89 28 000 QPSK 18 Mbps 20 87 28 000 16 QAM 24 Mbps 20 84 28 000 16 QAM 36 Mbps 20 80 28 000 64 QAM 48 Mbps 18 75 4 100 64 QAM 54 Mbps 16 70 1 832 Turbo Mode BPSK 12 Mbps 20 88 14...

Страница 221: ...l Antenna Link Budget 2 483 GHz Cable Loss 0 dB Fade Margin 3 dB Modulation Rates Transmit Power dBm Receive Sensitivity dBm Maximum Range km with 2 dBi NIC BPSK 6 Mbps 20 91 7 641 BPSK 9 Mbps 20 90 6...

Страница 222: ...on Linear vertical HPBW Horizontal 360 Vertical 12 Downtilt 0 Power Handling 5 W cw Impedance 50 Ohms Connector N type female Radome Material Fiber glass Color Gray white Environmental Survival Wind S...

Страница 223: ...20 90 2 903 QPSK 12 Mbps 20 89 2 587 QPSK 18 Mbps 20 87 2 055 16 QAM 24 Mbps 20 84 1 455 16 QAM 36 Mbps 20 80 0 918 64 QAM 48 Mbps 18 75 0 410 64 QAM 54 Mbps 16 70 0 183 Turbo Mode BPSK 12 Mbps 20 88...

Страница 224: ...2 76 in Weight 590 g 1 3 lbs 13 5 dBi 120 Degree Sector Antenna Link Budget 5 825 GHz Cable Loss 1 dB Fade Margin 5 dB Modulation Rates Transmit Power dBm Receive Sensitivity dBm Maximum Range km wit...

Страница 225: ...84 8 182 16 QAM 48 Mbps 20 81 5 792 16 QAM 72 Mbps 20 77 3 655 64 QAM 96 Mbps 18 72 1 632 64 QAM 108 Mbps 16 67 0 729 The maximum range calculated with a 13 5 dBi sector antenna at the far end of the...

Страница 226: ...ps 20 91 28 000 BPSK 9 Mbps 20 90 25 000 QPSK 12 Mbps 20 89 23 059 QPSK 18 Mbps 20 87 18 316 16 QAM 24 Mbps 20 84 12 967 16 QAM 36 Mbps 20 80 8 182 64 QAM 48 Mbps 18 75 3 655 64 QAM 54 Mbps 16 70 1 63...

Страница 227: ...zontal HPBW Horizontal 9 Vertical 9 Front to Back Ratio 40 dB Cross Polarization 25 dB Power Handling 20 W cw Impedance 50 Ohms Connector N type female Radome Material ABS UV resistant Color White Env...

Страница 228: ...4 28 000 16 QAM 36 Mbps 20 80 28 000 64 QAM 48 Mbps 18 75 16 324 64 QAM 54 Mbps 16 70 7 292 Turbo Mode BPSK 12 Mbps 20 88 14 000 BPSK 18 Mbps 20 87 14 000 QPSK 24 Mbps 20 86 14 000 QPSK 36 Mbps 20 84...

Страница 229: ...5 connector must be attached to both ends of the cable Caution Each wire pair must be attached to the RJ 45 connectors in a specific orientation Caution DO NOT plug a phone jack connector into a power...

Страница 230: ...Wiring Because the 10 100 Mbps Input port on the power injector uses an MDI pin configuration you must use straight through cable for network connections to hubs or switches that only have MDI X port...

Страница 231: ...wer injector connects to an 8 pin DIN connector on the wireless bridge This connector is described in the following figure and table 8 Pin DIN Ethernet Port Pinout Pin Signal Name 1 Transmit Data plus...

Страница 232: ...egory 5 or better UTP or STP cable maximum length 100 m 328 ft and be sure to connect all four wire pairs Note To construct a reliable Ethernet cable always use the proper tools or ask a professional...

Страница 233: ...4873 AZ Etten Leur The Netherlands Tel 31 76 508 3525 Fax 31 76 508 3535 Email sales mrv com China COFCO PLAZA Room B1020 Tower B 8 Jianguomennei Ave Beijing 100005 China Tel 86 10 652 77 539 Fax 86 1...

Страница 234: ...D 2 Customer Support D...

Страница 235: ...ng encryption using a completely different ciphering algorithm to TKIP and WEP Authentication The process to verify the identity of a client requesting network access IEEE 802 11 specifies two forms o...

Страница 236: ...inals File Transfer Protocol FTP A TCP IP protocol used for file transfer Hypertext Transfer Protocol HTTP HTTP is a standard used to transmit and receive all data over the World Wide Web IEEE 802 11a...

Страница 237: ...uthenticate a client connection and correlate traffic passing between a specific client and the access point Shared Key A shared key can be used to authenticate each client attached to a wireless netw...

Страница 238: ...Glossary Glossary 4...

Страница 239: ...nitial setup 5 1 country code configuring 5 2 7 11 crossover cable C 3 CSMA CA 1 1 CTS 6 44 7 75 D data rate options B 1 default settings 1 6 device status displaying 6 64 7 15 DHCP 5 6 6 5 6 6 7 65 7...

Страница 240: ...a interface 6 43 7 71 802 11g interface 6 47 7 71 MDI RJ 45 pin configuration 1 4 multicast cipher 6 61 7 80 N network topologies infrastructure 2 2 infrastructure for roaming 2 3 O OFDM 1 1 open syst...

Страница 241: ...5 displaying station status 6 66 7 85 STP fast forwarding 6 38 straight through cable C 2 system clock setting 6 29 7 21 system log enabling 6 27 7 16 server 6 27 7 17 system software downloading from...

Страница 242: ...Index 4 Index...

Страница 243: ......

Страница 244: ...MRW55 MRW55M E022005 R01...

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