Clearing CDP information | Brocade Communications Systems 6650

7 CDP packets

Displaying CDP statistics

To display CDP packet statistics, enter the show fdp traffic command.

Brocade# show fdp traffic

CDP counters:

Total packets output: 0, Input: 3

Hdr syntax: 0, Chksum error: 0, Encaps failed: 0

No memory: 0, Invalid packet: 0, Fragmented: 0

Syntax: show fdp traffic

Clearing CDP information

You can clear the following CDP information:

•Cisco Neighbor information

•CDP statistics

To clear the Cisco neighbor information, enter the clear fdp table command.

Brocade# clear fdp table

Syntax: clear fdp table

To clear CDP statistics, enter the following command.

Brocade# clear fdp counters

Syntax: clear fdp counters

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Brocade Communications Systems 6650 manual Clearing CDP information, Displaying CDP statistics

Contents

Brocade ICX 6650 Administration Guide Brocade ICX 6650 Administration Guide Title Publication number Summary of changes Date Contents Chapter Operations, Administration, and Maintenance Chapter Ports on Demand Licensing Chapter IPv6 Configuration on Brocade ICX 6650 Switch Full Layer 3 IPv6 feature support Chapter Snmp Access Snmp overview Displaying FDP information FDP configurationFDP Overview Clearing FDP and CDP information Displaying information about installed media Digital optical monitoring configuration limitationsSetting the alarm interval Digital optical monitoring Viewing system information Viewing configuration informationBasic system management Viewing port statistics Local user password changes NIAP-CCEVS certified Brocade equipment Ironware releases Xii Brocade ICX 6650 Administration Guide 53-1002600-01 Audience Supported hardware and softwareBrocade ICX 6650 slot and port numbering Document conventions Command syntax conventionsCommand Option, option Argument, arg Arguments Text formatting Show WWN Related publications Additional informationBrocade resources Getting technical help Document feedbackOther industry resources Brocade ICX 6650 slot and port numbering Management port overview FeatureThis chapter How the management port works Syntax show interfaces management num CLI Commands for use with the management portSyntax show running-config interface management num Syntax show interfaces brief management num Logging on through the CLI Syntax show statistics management numSyntax show statistics brief management num Command completion Online helpScroll control Using slot number, and port number with CLI commands Line editing commandsCtrl+Key combination Description CLI nomenclature on Brocade ICX 6650 models Searching and filtering output from CLI commandsSearching and filtering output from Show commands Displaying lines containing a specified string Searching and filtering output at the --More-- prompt Displaying lines starting with a specified stringResults of the search are displayed Using special characters in regular expressions Filtered results are displayedCharacter Operation Character Operation Syntax unalias alias-name Creating an alias for a CLI commandConfiguration notes for creating a command alias Syntax alias Brocade ICX 6650 Administration Guide 53-1002600-01 Using slot number, and port number with CLI commands Basic System Parameters Basic Port Parameters Basic system parameter configuration Basic system parameter configuration Entering system administration informationSnmp parameter configuration Specifying an Snmp trap receiver Specifying a single trap source Syntax snmp-server host ip-addr0 1 string port value Disabling Snmp traps Setting the Snmp trap holddown timeSyntax no snmp-server enable traps holddown-time secs Snmp Layer 2 traps Syntax no enable snmp ve-statistics Disabling Syslog messages and traps for CLI accessSyntax no snmp-server enable traps trap-type Displaying virtual routing interface statistics Examples of Syslog messages for CLI access Syntax show loggingDisabling the Syslog messages and traps Cancelling an outbound Telnet session Syntax no logging enable user-loginSpecifying an Sntp server Syntax no sntp poll-interval Syntax show sntp associationsField Description Output from the show sntp associations details command Syntax show sntp associations details Configuring the device as an Sntp server Configuring the device as an Sntp serverSyntax show sntp status Sntp server-mode authentication-key 2 $QHMiR3NzQA= Displaying Sntp server information Enabling broadcast mode for an Sntp clientOutput from the show sntp server-modecommand Syntax show sntp server-mode Setting the system clock Syntax sntp broadcast client Syntax sntp sync System time for daylight saving time. commandNew start and end dates for US daylight saving time Syntax no clock summer-time Limiting broadcast, multicast, and unknown unicast traffic CLI banner configurationSetting a message of the day banner Syntax no clock timezone us timezone-type Use the no form of the command to disable the requirement Syntax no banner motd require-enter-key Syntax no banner execmode delimiting-character Setting a privileged Exec CLI level bannerLocal MAC address for Layer 2 management traffic Syntax no banner incoming delimiting-character Syntax no use-local-management-mac Basic port parameter configurationAssigning a port name Syntax port-name text Basic port parameter configuration Port speed and duplex mode modificationPort speed and duplex mode configuration syntax Syntax speed-duplex value Syntax no speed-duplex 10g-full 1000-full-master Value can be one of the following Full Half Auto default Modifying port duplex modePort duplex mode configuration syntax Maximum port speed application notes Disabling or re-enabling a port Flow control configurationFlow control configuration notes Disabling or re-enabling flow control Negotiation and advertisement of flow control Syntax no flow-controlSyntax no flow-control neg-on Symmetric flow control on Brocade ICX 6650 devices Displaying flow-control status About XON and Xoff thresholds 1G or 10G ports40G ports IPG configuration notes Interpacket Gap IPG on a Brocade ICX 6650 switchChanging the Gbps fiber negotiation mode Enabling and disabling symmetric flow control Syntax gig-default neg-full-auto auto-gig neg-off Port flap dampening configurationPort flap dampening configuration notes Port priority QoS modification Re-enabling a port disabled by port flap dampening Configuring port flap dampening on an interfaceConfiguring port flap dampening on a trunk Displaying ports configured with port flap dampening Syntax show link-error-disable all Syslog messages for port flap dampeningColumn Description Port loop detection Recovering disabled portsPort loopback detection configuration notes Types of loop detection Enabling loop detection Configuring a global loop detection intervalConfiguring the device to automatically re-enable ports Syntax no loop-detection Syntax no errdisable recovery interval seconds Specifying the recovery time intervalSyntax no errdisable recovery cause loop-detection Clearing loop-detection Displaying loop detection resource information Syntax show loop-detection resourceFieldDescription Syslog message due to disabled port in loop detection Loop Detection is Enabled Basic port parameter configuration Operations, Administration, and Maintenance Feature Brocade ICX 6650 Determining the flash image version running on the device Software versions installed and running on a deviceOAM Overview Brocade ICX 6650 devices Software versions installed and running on a device Displaying the boot image version running on the deviceDisplaying the image versions installed in flash memory Boot code version is shown in bold type Flash image CLI commands Use the following command syntax to verify the flash imageFlash image verification Software upgrades Viewing the contents of flash filesImage file types Syntax show dir Using Snmp to upgrade softwareUsing Snmp to upgrade software Syntax copy flash console filename Snmp-server community string ro rw Software boot configuration notes Software rebootDisplaying the boot preference Software reboot Loading and saving configuration files Loading and saving configuration filesSyntax show boot-preference Logging changes to the startup-config file Syntax no logging enable config-changed Dynamic configuration usage considerations Copying a configuration file to or from a Tftp serverDynamic configuration loading Preparing the configuration file CLI responds like this Following command line will not initiate batch mode Copying a file from the running or startup configuration Loading and saving configuration files with IPv6Using the IPv6 copy command Copying a file to an IPv6 Tftp server Copying a file from an IPv6 Tftp server Copying a file to the running or startup configurationLoading and saving configuration files with IPv6 Copying a file to flash memory IPv6 ncopy command IPv6 Tftp server file upload Using Snmp to save and load configuration information Reloading at a specific time Erasing image and configuration filesSystem reload scheduling Syntax reload at hhmmss mm-dd-yyprimary secondary Error Message Explanation and action Code Diagnostic error codes and remedies for Tftp transfersCanceling a scheduled reload Reloading after a specific amount of time Network connectivity testing Network connectivity testingPinging an IPv4 address Network connectivity testing Tracing an IPv4 route Network connectivity testing Feature Brocade ICX Ports on Demand Overview PoD licensing rules PoD licensing configuration tasksPorts on Demand terminology Ports on Demand terminology Configuration task Reference Obtaining a PoD license Shows the Software Portal Login window Brocade Software Portal Login window License Management Welcome window PoD licensing configuration tasks Brocade ICX 6650 Administration Guide 53-1002600-01 LID Shows an example of the license query results Ports on Demand Licensing Transferring a PoD licenseSyslog message information Front panel PoD Rear panel Flexible Ports on Demand PoD licensesPorts on Demand Licensing Trial licenses are not available for PoD licensing Enabling ports on the front panelPorts on Demand Licensing PoD licenses License SKU License Name Function Example, the license is copied to unit Syntax scp licensefileonhost user@IPaddresslicenseunit id Deleting a ICX6650-10G-LIC-POD license Example above, the license is copied to unit Enabling ports on the rear panel Syntax show podIPaddress variable is the address of the IPv4 Tftp server Syntax no fpod-40g-enable group groupID Enable ports in group Enter the following command to disable the ports in groupEnable ports for group Disabling the FPoD ports on the rear panel Deleting a 10 GbE or 40 GbE license Viewing information about PoD licenses Syntax license delete unit unitid all index licenseindex Displaying general license information for PoD ports Viewing information about PoD licensesSyntax show license Syntax show license unit unitid Syntax show license unit unitid index indexnumber Field Description Lic-Used Field Description 40GigabitEthernet1/2/1 is up, line protocol is up Viewing information about PoD licenses IPv6 Configuration on Brocade ICX 6650 Switch IPv6 copy Using the IPv6 copy command on Full Layer 3 IPv6 feature support IPv6 addressing overview IPv6 address types IPv6 addressing overview IPv6 address types Address Description Address structure Type IPv6 CLI command support IPv6 stateless auto-configurationIPv6 command Description Switch code Router code Description Switch code Router code IPv6 host address on a Layer 2 switch Syntax no ipv6 enable Syntax ipv6 address ipv6-addresslink-local Enabling IPv6 routing Configuring basic IPv6 connectivity on a Layer 3 switchIPv6 configuration on each router interface Syntax no ipv6 unicast-routing Ospf Configuring a link-local IPv6 address on an interface Configuring basic IPv6 connectivity on a Layer 3 switch Configuring IPv4 and IPv6 protocol stacks Configuring an IPv6 anycast address on an interfaceSyntax ip address ip-addresssub-net-masksecondary Configuring IPv6 management ACLs Syntax no ipv6 access-list ACL name Configuring Sntp over IPv6 Restricting Snmp access to an IPv6 nodeConfiguring Snmp V3 over IPv6 Specifying an IPv6 Snmp trap receiver IPv6 Telnet IPv6 tracerouteEstablishing a Telnet session from an IPv6 host Defining an IPv6 DNS entry Syntax traceroute ipv6 ipv6-addressSyntax no ipv6 dns domain-name domain name Pinging an IPv6 address Configuring an IPv6 Syslog server Viewing IPv6 Snmp server addresses Static IPv6 route configuration Disabling IPv6 on a Layer 2 switchDisabling router advertisement and solicitation messages Configuring a static IPv6 route Parameter Configuration details Status Dest-ipv6-prefix parameterPrefix-length parameter IPv6 over IPv4 tunnels IPv6 over IPv4 tunnel configuration notesConfiguring a manual IPv6 tunnel IPv6 over IPv4 tunnels Clearing IPv6 tunnel statistics Displaying tunnel interface information Displaying IPv6 tunnel informationDisplaying a summary of tunnel information Syntax clear ipv6 tunnel number Displaying interface level IPv6 settings Syntax show interfaces tunnel number Display command above reflects the following configuration Ecmp load sharing for IPv6 Ecmp load sharing for IPv6 Disabling or re-enabling Ecmp load sharing for IPv6 Changing the maximum load sharing paths for IPv6Displaying Ecmp load-sharing information for IPv6 IPv6 Icmp feature configuration IPv6 Icmp feature configurationConfiguring Icmp rate limiting Syntax ipv6 icmp error-interval interval number-of-tokens Enabling IPv6 Icmp redirect messages IPv6 neighbor discovery configurationIPv6 neighbor discovery configuration Syntax no ipv6 redirects IPv6 neighbor discovery configuration notes Neighbor solicitation and advertisement messagesNeighbor discovery is not supported on tunnel interfaces Router advertisement and solicitation messages Neighbor redirect messages Setting IPv6 router advertisement parameters Here is another example with a specified range Prefixes advertised in IPv6 router advertisement messages Setting flags in IPv6 router advertisement messages Enabling and disabling IPv6 router advertisementsSyntax no ipv6 nd suppress-ra IPv6 MTU Configuring reachable time for remote IPv6 nodesConfiguration notes and feature limitations for IPv6 MTU IPv6 MTU Static neighbor entries configuration Changing the IPv6 MTUSyntax no ipv6 mtu bytes Clearing global IPv6 information Limiting the number of hops an IPv6 packet can traverseIPv6 source routing security enhancements Syntax no ipv6 hop-limit number Clearing the IPv6 cache Clearing IPv6 neighbor informationClearing global IPv6 information Clearing IPv6 traffic statistics Displaying global IPv6 informationClearing IPv6 routes from the IPv6 route table Displaying IPv6 cache information Displaying IPv6 interface information 142 Brocade ICX 6650 Administration Guide 53-1002600-01 Icmp Displaying IPv6 neighbor information Displaying the IPv6 route table Displaying local IPv6 routers Displaying IPv6 TCP information Syntax show ipv6 routerPort Syntax show ipv6 tcp connections Free TCP = percentage General IPv6 TCP connection fields = percentage Location of the TCP Displaying IPv6 traffic statistics Syntax show ipv6 trafficField Description IPv6 statistics ICMP6 statistics Applies to received only TCP statistics Snmp Access Snmp overview Adding an Snmp community string Snmp community stringsEncryption of Snmp community strings Snmp community strings Snmp-server community 1 encrypted-string rw Displaying the Snmp community strings Syntax show snmp server User-based security model Configuring your NMSConfiguring Snmp version 3 on Brocade ICX 6650 devices Defining the engine id Snmp version 3. If you want command Defining an Snmp groupSyntax no snmp-server engineid local hex-string Defining an Snmp user account 162 Brocade ICX 6650 Administration Guide 53-1002600-01 Defining Snmp views Syntax system-max view number-of-viewsSyntax no snmp-server view name mibtree included excluded To delete a view, use the no parameter before the command Snmp version 3 trapsSnmp version 3 traps Defining the UDP port for Snmp v3 traps Trap MIB changes Snmp v3 over IPv6 Restricting Snmp Access to an IPv6 NodeSpecifying an IPv6 host as an Snmp trap receiver Backward compatibility with SMIv1 trap format Displaying Snmp Information Displaying Snmp InformationDisplaying the Engine ID Syntax show snmp engineid Interpreting varbinds in report packets Displaying Snmp groupsDisplaying user information Syntax show snmp group More detailed Snmp v3 configuration Snmp v3 configuration examplesSimple Snmp v3 configuration Snmp v3 configuration examples 170 Brocade ICX 6650 Administration Guide 53-1002600-01 FDP Overview FDP Overview CDP packets Enabling FDP globally FDP configurationChanging the FDP update timer Enabling FDP at the interface level Changing the FDP hold time Syntax no fdp timer secsDisplaying FDP information Displaying neighbor information This line Displays Entry addresses Brocade ICX 6650 Administration Guide 175 53-1002600-01 Displaying FDP and CDP statistics Clearing FDP and CDP informationDisplaying FDP information for an interface Clearing FDP and CDP neighbor information Enabling interception of CDP packets on an interface CDP packetsEnabling interception of CDP packets globally Clearing FDP and CDP statistics Displaying CDP information Displaying neighbors Displaying CDP entries Syntax show fdp entry * device-id To clear CDP statistics, enter the following command Clearing CDP informationDisplaying CDP statistics Lldp and LLDP-MED Lldp terms used in this chapter Supported Lldp features Lldp terms used in this chapter Lldp overview Illustrates Lldp connectivity LLDP-MED overview Benefits of LldpLLDP-MED overview Benefits of LLDP-MED LLDP-MED connectivity LLDP-MED class Lldp transmit modeGeneral Lldp operating principles Lldp operating modes Lldp receive mode Lldp packets TLV support Lldp TLVsOrganizationally-specific TLVs Chassis ID LLDP-MED TLVsMandatory TLVs Chassis ID TLV is always the first TLV in the Lldpdu Port ID TLV packet format TTL value MIB support Syslog messagesMIB support TTL TLV format is shown below Lldp configuration Lldp configurationLldp configuration notes and considerations Global task Default behavior / value when Lldp is enabled Changing a port Lldp operating mode Enabling and disabling LldpEnabling support for tagged Lldp packets Enabling and disabling receive only mode Enabling and Disabling Transmit Only Mode Maximum number of Lldp neighbors Specifying the maximum number Lldp neighbors per deviceSyntax no lldp max-total-neighbors value Enabling Lldp Snmp notifications and Syslog messages Specifying the maximum number Lldp neighbors per portSyntax no lldp max-neighbors-per-port value Syntax no lldp transmit-delay seconds Changing the minimum time between Lldp transmissionsSyntax no lldp snmp-notification-interval seconds Syntax no lldp transmit-interval seconds Changing the interval between regular Lldp transmissionsChanging the holdtime multiplier for transmit TTL Syntax no lldp transmit-hold value Lldp TLVs advertised by the Brocade device Syntax no lldp reinit-delay secondsChanging the minimum time between port reinitializations General system information for Lldp Management Address Port description System capabilities System description Capabilities System nameVlan name Untagged Vlan ID Link aggregation TLV MAC and PHY configuration status This section provides the details for configuring LLDP-MED LLDP-MED configurationLLDP-MED configuration Maximum frame size Default behavior / value Changing the fast start repeat count Syntax no lldp med fast-start-repeat-count value Defining a location id Coordinate-based location Example coordinate-based location configuration Example coordinate-based location advertisement Configuring civic address location Type value elem CA type value elem CA type value LLDP-MED configuration Elements used with civic address Description Acceptable values / examples Type Configuring emergency call service Example civic address location advertisementNumber variable is a number from 10 to 25 digits in length LLDP-MED network policy configuration syntax Defining an LLDP-MED network policyExample ECS Elin location advertisements 216 Brocade ICX 6650 Administration Guide 53-1002600-01 LLDP-MED attributes advertised by the Brocade device LLDP-MED capabilities Displaying Lldp statistics and configuration settings Lldp configuration summaryLLDP-MED attributes advertised by the Brocade device Displaying Lldp statistics Syntax show lldp Clear lldp statistics all command was issued Syntax show lldp statistics Displaying Lldp neighbors Syntax show lldp neighbors Displaying Lldp configuration details Displaying Lldp neighbors detail Resetting Lldp statistics Clearing cached Lldp neighbor information Enabling digital optical monitoring Digital optical monitoring configuration limitationsDigital optical monitoring Syntax no optical-monitor Setting the alarm interval Displaying information about installed mediaSyntax no optical-monitor alarm-interval Empty Viewing optical monitoring information Syntax show media slot slot ethernet stack-unit/slot/port Viewing optical transceiver thresholds Status value Description Syslog messages for optical transceivers Syntax show optic threshold stack-unit/slot/port Syslog About Syslog messages Displaying Syslog messages Syntax no logging console Enabling real-time display of Syslog messagesEnabling real-time display for a Telnet or SSH session Syntax terminal monitor Syslog service configuration Syslog service configurationDisplaying the Syslog configuration Displaying real-time Syslog messages Static and dynamic buffers Field Definition Clearing log entries Time stampsSyntax clear logging dynamic-buffer static-buffer Brocade ICX 6650 Administration Guide 237 53-1002600-01 Specifying a Syslog server To specify a Syslog server, enter the logging host commandDisabling or re-enabling Syslog Syntax no logging on udp-port Changing the number of entries the local buffer can hold Specifying an additional Syslog serverDisabling logging of a message level Syntax no logging buffered level num-entries Local buffer configuration notes Changing the log facilitySyntax logging facility facility-name Displaying interface names in Syslog messages Displaying TCP or UDP port numbers in Syslog messagesSyntax no Ip show-portname Retaining Syslog messages after a soft reboot Syslog reboot configuration considerationsClearing the Syslog messages from the local buffer Basic system management Viewing system information Viewing configuration information Syntax show version Syntax show statistics ethernet stack-unit/slot/port Viewing port statisticsSyntax show option Port statistics Basic system management Port statistics Parameter DescriptionStatistics Viewing STP statistics Clearing statistics Syntax clear option Viewing egress queue counters Syntax show interface ethernet stack-unit/slot/port Clearing the egress queue counters Rmon supportMaximum number of entries allowed Rmon control table Syntax clear statistics ethernet stack-unit/slot/port Syntax show rmon statistics ethernet stack-unit/slot/port Statistics Rmon groupRmon support ParameterDefinition Rmon support Export configuration and statistics Parameter Definition Alarm Rmon group History Rmon groupEvent Rmon group SFlow SFlow version SFlow support for IPv6 packets Extended router informationExtended gateway information SFlow and hardware support SFlow configuration considerationsIPv6 packet sampling SFlow and CPU utilization Configuring and enabling sFlow SFlow and source portSFlow and sampling rate Specifying the collector Specifying an sFlow collector on IPv4 devicesSyntax no sflow destination ip-addrdest-udp-port Specifying an sFlow collector on IPv6 devices Changing the polling intervalChanging the sampling rate Syntax no sflow destination ipv6 ip-addrdest-udp-port Change to global rate Configuration considerationsConfigured rate and actual rate Module rate Changing the sampling rate of a module Changing the default sampling rateSyntax no sflow sample num Changing the sampling rate on a port Changing the sampling rate for a trunk port Changing the sFlow source port Command syntax for enabling sFlow forwardingEnabling sFlow forwarding Syntax no sflow source-port num SFlow version 5 feature configuration Syntax no sflow enable Syntax no sflow forwarding Specifying the version used for exporting sFlow data Specifying the sFlow version formatSpecifying the sFlow agent IP address Syntax no sflow agent-ip ipv4-addr Syntax no sflow max-packet-size size Specifying the maximum flow sample sizeSyntax no sflow version 2 Syntax no sflow export system-info Syntax no sflow export cpu-traffic Displaying sFlow informationEnabling the sFlow agent to export CPU-directed data Specifying the sampling rate for exported CPU-directed data Syntax show sflow Clearing sFlow statistics SFlow SFlow informationSyntax clear statistics Utilization list for an uplink port command syntax Utilization list for an uplink portUtilization list for an uplink port Displaying utilization percentages for an uplink Syntax show relative-utilization num 272 Brocade ICX 6650 Administration Guide 53-1002600-01 Fan num, location , failed Brocade Syslog messagesMessage Explanation Mac-address on portnum Syslog messages Brocade Syslog messages PCI-device-number, Reg Offset PCI-config-register-offsetPCI-bus-number, Dev Addr memory-address From session-id Message level ExplanationLevel shutdown-degrees C degrees Username from session-id filter User username from session-id Root ID root-id Stp-state Vlan-id MAC address any, dst mac = Destination MAC address anyIP=ipaddr Port-number Fan speed Unit/slot/port on vlan-id Unit/slot/port toUnit/slot/port on VLANs vlan-id to Vlan-id Unit/slot/port on Vlan vlan-id Vlan vlan-id interface portnum STP Mac-address MgmtPriChgMac-address MsgAgeExpiry Mac-address RootPort portnum Portnum DOT1X Port portid Mac macaddress Macaddress on port portid Rid router-id, intf addr ip-addrState ospf-state 286 Brocade ICX 6650 Administration Guide 53-1002600-01 Pkt type pkt-type Ip-addr, pkt type type Type LSA id lsa-id, LSA rid lsa-router-id Rid router-id, limit numArea area-id, LSA type lsa-type Ospf-state Brocade ICX 6650 Administration Guide 291 53-1002600-01 Interface configuration error has occurred Rid router-id, area area-id Nbr ip-addr, state ospf-state Rid router-id, nbr addr ip-addr State vrrp-state Mac-addressMac-addr interface portnum Eportnum, address mac-address List ACL-num denied ip-protoEthernet portnum mac-addr Portnum src macaddr mac-addr Chassis temperature has risen above the warning level 298 Brocade ICX 6650 Administration Guide 53-1002600-01 Local user password changes NIAP-CCEVS certified Brocade equipment Ironware releasesBrocade product Brocade IronWare Discussed Software version 300 Brocade ICX 6650 Administration Guide 53-1002600-01 Index Ipv6 nd prefix-advertisement,134 Lldp advertise mac-phy-config-status portsLldp enable receive ports Clear fdp table, 176 Brocade ICX 6650 Administration Guide 303 53-1002600-01 FDP Icmp 131 LLDP-MED 266 Snmp SSH XON and Xoff thresholds 312 Brocade ICX 6650 Administration Guide 53-1002600-01