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USRobotics Instant802 APSDK manual Enabling and Disabling a Network Time Protocol NTP Server

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Professional Access Point

Administrator Guide

Enabling and Disabling a Network Time Protocol (NTP) Server

To configure your access point to use a network time protocol (NTP) server, first enable the use of NTP, and then select the NTP server you want to use. (To shut down NTP service on the network, disable NTP on the access point.

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USRobotics Instant802 APSDK manual Enabling and Disabling a Network Time Protocol NTP Server

Contents

Professional Access Point Administrator Guide R46.1224.00 rev 2.0 07/06Page Professional Access Point Administrator Guide USAProfessional Access Point Administrator Guide Contents Class and Field Reference Class Structure, Commands, and ExamplesAdvanced Support InformationRobotics Corporation Two 2 Year Limited Warranty Viii Administrator Audience Online Help FeaturesRecommended Settings, Notes and Cautions Typographical ConventionsGetting Started Wireless Features Features and BenefitsIeee Standards Support and Wi-Fi Compliance Security FeaturesGuest Interface Clustering and Auto-ManagementNetworking What’s Next? Snmp SupportMaintainability Professional Access Point Default Settings for the Professional Access Point Option Default Settings Related InformationSecurity Mode None Ieee 802.11 ModeTransmit Power Authentication TypeAdministrator’s Computer What the Access Point Does Not ProvideRequired Software or Component Description Wireless Client Computers Required Component DescriptionHow Does the Access Point Obtain an IP Address at Startup? Dynamic IP AddressingRequired Component Recovering an IP Address Static IP AddressingProfessional Access Point Administrator Guide Unpack the access point Access Point Hardware and PortsWhat’s inside the Access Point? Connect the access point to network and power UK Users Hardware Connections for a Guest Vlan Professional Access Point Administrator Guide Professional Access Point Administrator Guide Professional Access Point Administrator Guide Log on to the Web User Interface Viewing Basic Settings for Access PointsField Default Setting UsernameConfigure Basic Settings and start the wireless network Default Configuration Wall Mounting the Access Point Make Sure the Access Point is Connected to the LANTest LAN Connectivity with Wireless Clients Web User Interface Navigating to Basic Settings MAC Address Review / Describe the Access PointField Description Firmware VersionAdministrator Password again Provide Administrator Password and Wireless Network NameAdministrator Password Wireless Network Name SsidSet Configuration Policy for New Access Points New Access PointsField Update Basic Settings Summary of SettingsBasic Settings for a Standalone Access Point Your Network at a Glance Understanding Indicator IconsIcon Description Professional Access Point Administrator Guide Access Points ClusterNavigating to Access Points Management Understanding ClusteringWhat is a Cluster? How Many APs Can a Cluster Support?What Kinds of APs Can Cluster? Settings Not Shared by the Cluster Cluster Mode Standalone ModeCluster Formation Cluster Size and Membership Understanding Access Point SettingsAuto-Synchronization of Cluster Configuration Intra-Cluster SecurityRemoving an Access Point from the Cluster Modifying the Location DescriptionAdding an Access Point to a Cluster Http//IPAddressOfAccessPointProfessional Access Point Administrator Guide Professional Access Point Administrator Guide User Management Navigating to User Management for Clustered Access Points Viewing User AccountsAdding a User Enabling a User Account Editing a User AccountEnabling and Disabling User Accounts Real NameBacking Up and Restoring a User Database Restoring a User Database from a Backup FileRemoving a User Account Disabling a User AccountProfessional Access Point Administrator Guide Professional Access Point Administrator Guide Sessions Navigating to Session MonitoringUnderstanding Session Monitoring Information User AP Location User MAC Idle RateSorting Session Information Viewing Session Information for Access PointsSignal Utilization Rx Total Tx Total Error Rate Refreshing Session InformationProfessional Access Point Administrator Guide Channel Management How it Works Overview Navigating to Channel ManagementUnderstanding Channel Management Overlapping Channels Background InformationConfiguring and Viewing Channel Management Settings Example a Network before and after Channel ManagementStopping/Starting Automatic Channel Assignment IP Address Band Current Locked Viewing Current Channel Assignments and Setting LocksViewing Last Proposed Set of Changes IP Address Current ProposedChange channels if interference is reduced by at least Use these channels when applying channel assignmentsAdvanced Determine if there is better set of channels everyApply channel modifications even when the network is busy Professional Access Point Administrator Guide Wireless Neighborhood Navigating to Wireless Neighborhood Understanding Wireless Neighbourhood InformationViewing Wireless Neighborhood Display neighboring APsCluster Neighbors Viewing Details for a Cluster Member Details for a Cluster Member APSignal ChannelBeacon Age Status InterfacesEthernet Wired Settings Wireless SettingsEvents Log Relay Host for Kernel MessagesSYSLOGD=-r Setting Up the Log Relay HostUnderstanding Remote Logging Tmp/APsyslogEtc/init.d/sysklogd restart Log Relay Host EnabledEnabled Relay HostTransmit/Receive Statistics Events LogName Ssid ErrorsClient Associations Total PacketsWhat is the Difference Between an Association and a Session? Link Integrity MonitoringNeighboring Access Points Select AP Detection EnabledBeacon Int TypePrivacy # of Beacons Last BeaconRates Professional Access Point Administrator Guide Ethernet Wired Settings AdvancedNavigating to Ethernet Wired Settings Configuring an Internal LAN and a Guest Network Setting the DNS NameManaging Guest Access Enabling and Disabling Guest AccessGuest Access For Guest access, useSpecifying a Virtual Guest Network Configuring Internal Interface Ethernet Settings Virtual Wireless NetworksDefault Gateway Static IP AddressDNS Nameservers Configuring Guest Interface Ethernet Wired Settings Updating SettingsSubnet Professional Access Point Administrator Guide Wireless Settings Navigating to Wireless SettingsConfiguring 802.11d Regulatory Domain Support 802.11d Regulatory Domain SupportConfiguring the Radio Interface Configuring Internal LAN Wireless SettingsMode Channel Configuring Guest Network Wireless Settings Read-only fieldUnderstanding Security Issues on Wireless Networks How Do I Know Which Security Mode to Use?Security When to Use No Security User Authentication Key ManagementEncryption Algorithm Encryption Algorithms When to Use WPA/WPA2 Enterprise Radius Does Prohibiting the Broadcast of Ssid Enhance Security? How Does Station Isolation Protect the Network?Navigating to Security Settings Configuring Security SettingsBroadcast SSID, Station Isolation, and Security Mode None Static WEPProfessional Access Point Administrator Guide Bits Transfer Key IndexKey Length Key TypeAuthentication Algorithm Open System Shared Key BothExample of Using Static WEP Static WEP with Transfer KEY Indexes on Client Devices Ieee WPA/WPA2 Personal PSK Authentication ServerEnable Radius Accounting Radius IPWPA Versions Cipher SuitesWPA/WPA2 Enterprise Radius KeyEnable pre-authentication Improving the security of the networkEnter the Radius IP Professional Access Point Administrator Guide Guest Login Configuring Guest Access Using Virtual LANsConfiguring a Guest Network on a Virtual LAN DSL/T1 Configuring the Welcome Screen Captive Portal Using the Guest NetworkConfiguring Guest Access without Virtual LANs Configuring a Guest Network on a Dedicated Access PointVirtual Wireless Networks Navigating to Virtual Wireless Network SettingsOne Configuring VLANsVirtual Wireless Network TwoTon Professional Access Point Administrator Guide Understanding Radio Settings RadioNavigating to Radio Settings Configuring Radio SettingsStatus On/Off Mode Ieee 802.11bSuper G Maximum Stations Rate Sets Broadcast a subset of its supported rate setsProfessional Access Point Administrator Guide Navigating to MAC Filtering Settings MAC FilteringUsing MAC Filtering FilterStations List Professional Access Point Administrator Guide Load Balancing Understanding Load BalancingSpecifying Limits for Utilization and Client Associations Navigating to Load Balancing Settings Configuring Load BalancingLoad Balancing and QoS Stations Threshold for Disassocia Utilization for No New AssociationsUtilization for Disassociation TionTo apply your changes, click Update Settings QoS and Load Balancing Quality of ServiceUnderstanding QoS 802.11e and WMM Standards SupportQoS Queues and Parameters to Coordinate Traffic Flow Professional Access Point Administrator Guide Random Backoff and Minimum / Maximum Contention Windows Navigating to QoS Settings Configuring QoS QueuesConfiguring AP Edca Parameters Enabling/Disabling Wi-Fi Multimedia Configuring Station Edca Parameters Data 0 VoiceTxop Limit Transmission Opportunity LimitProfessional Access Point Administrator Guide Wireless Distribution System Understanding the Wireless Distribution SystemUsing WDS to Bridge Distant Wired LANs Backup Links and Unwanted Loops in WDS Bridges LAN SegmentNavigating to WDS Settings Security Considerations Related to WDS BridgesConfiguring WDS Settings Bridge with Local AddressRemote Address Internal NetworkExample of Configuring a WDS Link DisabledWEP Key Local Address Professional Access Point Administrator Guide Navigating to Time Protocol Settings Time ProtocolEnabling and Disabling a Network Time Protocol NTP Server NTP Server Professional Access Point Administrator Guide Snmp Understanding SnmpNavigating to Simple Network Management Protocol Allow Snmp SET Requests Enable SnmpRead-only Community Name entire Read-write community name for perConfiguring Your Network Management System Rebooting and Upgrading Your Access Point Using SnmpSource hostname or subnet Ftp//testuser1testuser1@192.168.1.9922/54531.1.23.tar Rebooting Your Access Point Using SnmpUpgrading your Access Point Ftp//192.168.1.100/54531.1.24.tarProfessional Access Point Administrator Guide Reboot Reset ConfigurationUpgrade Professional Access Point Administrator Guide Backup/Restore Navigating to Backup and Restore SettingsBacking up Configuration Setting for an Access Point Restoring Access Point Settings to a Previous ConfigurationProfessional Access Point Administrator Guide Command Line Interface Professional Access Point Administrator Guide Basic Settings Yes Described in Backup/Restore on USR5453-AP login Password How to Access the CLI for an Access PointTelnet Connection to the Access Point USR5453-AP login admin Password Enter help for helpStatus SSH2 Connection to the Access PointTelnet Function Telnet Command Status DownLogin as USR5453-AP#SSH Function SSH Command Quick View of Commands and How to Get HelpCommands and Syntax Set ssh StatusGet log-entry CommandGet log Get bss wlan0bssInternalCommand Description Add radius-user wallyGetting Help on Commands at the CLI Remove radius-user wallyCommand Usage and Configuration Examples Ready to Get Started?Professional Access Point Administrator Guide Wlan0vwn1 Understanding Interfaces as Presented in the CLIInterface Description Vlan1234Saving Configuration Changes Get interface vlanVLANID roleGet interface vlan1234 role Basic Setting Example Get the MAC Address for an Access Point Get Both the IP Address and MAC AddressWlan0wds1 Wds Down Wlan0wds2 Wlan0wds3 USR5453-AP# Set the Location for an Access Point Get the Firmware Version for the Access PointGet the Location of the Access Point Get the Current PasswordGet MAC Addresses for all Access Points in the Cluster Access Point and Cluster SettingsCluster Command Example User AccountsUser Account Command Example Get All User AccountsUSR5453-AP#get radius-user all name name Add Users USR5453-AP#set radius-user samantha password westportUSR5453-AP#set radius-user samantha disabled USR5453-AP#add radius-user samantha username samanthaUSR5453-AP#remove radius-user wally Status Command ExampleRemove a User Account Larry samantha endora darrenUSR5453-AP#get interface br0 Get Current Settings for the Ethernet Wired Guest Interface Get Current Wireless Radio SettingsUSR5453-AP# get log-entry USR5453-AP# get radio wlan0 detailGet Status on Events Priority DaemonUSR5453-AP#set log relay-enabled USR5453-AP#set log relay-port USR5453-AP#set log relay-hostUSR5453-AP#set log relay-host myserver USR5453-AP# get logGet neighbouring Access Points Get Transmit / Receive StatisticsGet Client Associations USR5453-AP#get detected-ap USR5453-AP# get detected-apEthernet Wired Interface Wired Interface Command ExampleSet Up Guest Access Get Wired Internal Interface SettingsGet Wired Guest Interface Settings Get Summary View of Internal and Guest InterfacesUSR5453-AP#get interface brguest status down USR5453-AP#remove bridge-port br0 interface eth0USR5453-AP# get bss USR5453-AP#get bridge-port brguest USR5453-AP# get interface brguestUSR5453-AP#get interface brguest status up USR5453-AP#get bridge-port br0 Name InterfaceUSR5453-AP#set dhcp-client status up Get/Change the Connection Type Dhcp or Static IPUSR5453-AP#get dhcp-client status up USR5453-AP#get interface br0 detailUSR5453-AP#set interface br0 static-ip Re-Configure Static IP Addressing ValuesUSR5453-AP#get interface br0 static-ip USR5453-AP#get interface br0 static-maskWireless Interface SecurityGet Detailed Description of Current Security Settings Security Command ExampleGet the Current Security Mode USR5453-AP#get interface wlan0 security noneEnable / Disable Station Isolation Set the Broadcast Ssid Allow or ProhibitSet Security to Static WEP Set Security to NoneUSR5453-AP#set interface wlan0 security none USR5453-AP#set interface wlan0 security static-wepSet bss wlan0bssInternal shared-key-authentication on Set bss wlan0bssInternal open-system-authentication onSet bss wlan0bssInternal shared-key-authentication off USR5453-AP#set interface wlan0 wep-key-ascii yesUSR5453-AP#get interface wlan0 detail Radius Option Example Set Security to IeeeUSR5453-AP#set interface wlan0 security dot1x USR5453-AP#set bss wlan0bssInternal radius-ipUSR5453-AP#set bss wlan0bssInternal radius-accounting off USR5453-AP#set bss wlan0bssInternal radius-key secretSet Bss USR5453-AP#get interface wlan0 security dot1xSet Security to WPA/WPA2 Personal PSK USR5453-AP#set interface wlan0 security wpa-personalWPA Option Example Set bss wlan0bssInternal wpa-cipher-ccmp off Cipher Suite Option ExampleSet bss wlan0bssInternal wpa-cipher-tkip on Set bss wlan0bssInternal wpa-cipher-tkip offUSR5453-AP#get interface wlan0 security wpa-personal Set Security to WPA/WPA2 Enterprise RadiusUSR5453-AP#set interface wlan0 security wpa-enterprise Enable Pre-Authentication Cipher Suite Option USR5453-AP#set bss wlan0bssInternal radius-key KeepSecretUSR5453-AP#set bss wlan0bssInternal radius-accounting on USR5453-AP#get interface wlan0 security wpa-enterpriseEnable/Disable the Guest Welcome Enable/Configure Guest Login WelcomeView Guest Login Settings Set Guest Welcome Page TextConfiguring Virtual Wireless Network One on Radio One Configuring Multiple BSSIDs on Virtual Wireless NetworksReview Guest Login Settings Set interface wlan0vwn1 security wpa-enterpriseGet Ieee 802.11 Radio Mode Radio SettingsRadio Setting Command Example Creating VWN Two on Radio One with WPA securityGet Basic Radio Settings Get All Radio SettingsGet Radio Channel USR5453-AP#get supported-rate Configure Radio SettingsGet Supported Rate Set Get Basic Rate SetUSR5453-AP#set bss wlan0bssInternal dtim-period USR5453-AP#set radio wlan0 mode gUSR5453-AP#set radio wlan0 beacon-interval USR5453-AP#get bss wlan0bssInternal dtim-periodUSR5453-AP#add basic-rate wlan0 rate USR5453-AP#set radio wlan0 fragmentation-thresholdUSR5453-AP#set radio wlan0 rts-threshold USR5453-AP#add supported-rate wlan0 rateMAC Filtering USR5453-AP#get supported-rate wlan0 rateSpecify an Accept or Deny List Set bss wlan0bssGuest mac-acl-name GuestAdd MAC Addresses of Client Stations to the Filtering List Get bss interface mac-acl-mode Get Current MAC Filtering SettingsUSR5453-AP#remove mac-acl Guest mac USR5453-AP#get bss wlan0bssGuest mac-acl-mode accept-listQuality of Service QoS CommandLoad Balancing QoS Command Example Enable/Disable Wi-Fi MultimediaAbout Access Point and Station Edca Parameters Understanding the Queues for Access Point and StationData Access Point Station USR5453-AP#get wme-queue Get QoS Settings on the Access PointGet QoS Settings on the Client Station Set Arbirtation Interframe Spaces AifsSetting Minimum and Maximum Contention Windows cwmin, cwmax Set wme-queue wlan0 with queue QueueName to aifs AIFSValueUSR5453-AP#set wme-queue wlan0 with queue vo to aifs Set the Maximum Burst Length burst on the Access Point USR5453-AP#set wme-queue wlan0 with queue vi cwmin 7 cwmaxSet tx-queue wlan0 with queue QueueName to burst burstValue USR5453-AP#set tx-queue wlan0 with queue data2 to burst USR5453-AP#set wme-queue wlan0 with queue vo to txop-limitGetting Details on a WDS Configuration Wireless Distribution SystemConfiguring a WDS Link USR5453-AP#set interface wlan0wds0 remote-mac 00E0B8761B14Time Protocol Set ntp server ntp.instant802.comUSR5453-AP#get ntp detail USR5453-AP#factory-reset Reboot the Access PointReset the Access Point to Factory Defaults Keyboard Shortcuts and Tab Completion HelpKeyboard Shortcuts Tab Completion and HelpAction on CLI Keyboard Shortcut USR5453-AP#get system v USR5453-AP#get system version CLI Class and Field Overview USR5453-AP# set mac-aclField Reference on Has name? \ # of instances? One MultipleCLI Class Relationships Class Index AssociationClass Description Interface AuthenticatedField Index StationBasic-rate Bridge-portBss Path-costPriority Radio StatusDescription Beacon-interfaceMax-stations MacDtim-period Ignore-broadcast-ssidCluster Open-system-authenticationChannel-planner Cluster-memberNo-external-updates ConfigDefault DebugDetected-ap Field DescriptionBeacon-interval CapabilityType Beacons Dhcp-clientErp Last-beaconDebug Dot11Host Dot11dStatic-dns-12 Dns-12Domain Static-domainInterface MaskStatic-ip Rx-errorsType Static-maskRx-multicast Tx-errorsRx-compressed Tx-packetsIp-route Log JvmKickstartd GatewayNumber Log-entryDepth TimeMessage Mac-aclNtp ServerPortal Welcome-screenWelcome-screen-text Max-bss Channel-policy Tx-powerMax-bss ModeFragmentation-threshold WmewifinoacktestRts-threshold Load-balance-disassociation-utilizationSnmp Radius-userSerial Ro-communitySystem SshSupported-rate Rw-communityPassword-initialized PasswordEncrypted-password TelnetTx-queue CommunityQueue Web-ui Wme-queueProfessional Access Point Detection Utility does not find Possible SolutionAccess point Cannot access the Web User InterfaceMy wireless device cannot find the wireless network Possible Solution Wireless Distribution System WDS Problems and Solutions Am experiencing poor wireless link qualityCluster Recovery Reboot or Reset Access PointStop Clustering and Reset Each Access Point in the Cluster Click Stop ClusteringProfessional Access Point Administrator Guide Support Information Country Webmail VoiceUAE FCC Radiation Exposure Statement Declaration of ConformityDetachable Antenna Information Radio and Television InterferenceFor Canadian Users Industry Canada ICUL Listing/CUL Listing CE Compliance Declaration of ConformityRegulatory Channel Frequency EU Health ProtectionEU Detachable Antenna Information Professional Access Point Administrator Guide Professional Access Point Administrator Guide Robotics Corporation Two 2 Year Limited Warranty Obtaining Warranty Service Limitations Disclaimer 802.2 802802.1x 802.3802.11e 802.11b802.11d 802.11fAES Broadcast BeaconBridge Broadcast AddressCGI BssidCcmp CSMA/CADNS DCFDhcp DOMESS EAPEdcf EthernetHtml FrameGateway HttpIeee Infrastructure ModeIbss Intrusion DetectionJitter IPSecISP LatencyLLC LANLdap MACNTP NATNIC OSIPHY PacketPacket Loss PIDPPP PSKRssi RadiusRC4 RTPSnmp SsidSTP TCP/IP Supported Rate SetTCP TkipURL UDPUnicast VlanWEP WANWDS WinsWrap WMM WPAWPA2 XMLIndex DCF Ieee Snmp WDS Index-328