XON and Xoff thresholds | Brocade Communications Systems 6650

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Brocade ICX 6650 Administration Guide	311
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Brocade Communications Systems 6650 manual XON and Xoff thresholds

Contents

Brocade ICX 6650 Administration Guide Title Publication number Summary of changes Date Brocade ICX 6650 Administration Guide Contents Chapter Operations, Administration, and Maintenance Chapter Ports on Demand Licensing Full Layer 3 IPv6 feature support Chapter IPv6 Configuration on Brocade ICX 6650 Switch Snmp overview Chapter Snmp Access FDP Overview FDP configurationDisplaying FDP information Clearing FDP and CDP information Setting the alarm interval Digital optical monitoring configuration limitationsDisplaying information about installed media Digital optical monitoring Basic system management Viewing configuration informationViewing system information Viewing port statistics NIAP-CCEVS certified Brocade equipment Ironware releases Local user password changes Xii Brocade ICX 6650 Administration Guide 53-1002600-01 Brocade ICX 6650 slot and port numbering AudienceSupported hardware and software Command Option, option Argument, arg Arguments Command syntax conventionsDocument conventions Text formatting Show WWN Brocade resources Related publicationsAdditional information Other industry resources Getting technical helpDocument feedback Brocade ICX 6650 slot and port numbering This chapter FeatureManagement port overview How the management port works Syntax show running-config interface management num CLI Commands for use with the management portSyntax show interfaces management num Syntax show interfaces brief management num Syntax show statistics brief management num Logging on through the CLISyntax show statistics management num Scroll control Command completionOnline help Ctrl+Key combination Description Using slot number, and port number with CLI commandsLine editing commands Searching and filtering output from Show commands Searching and filtering output from CLI commandsCLI nomenclature on Brocade ICX 6650 models Displaying lines containing a specified string Results of the search are displayed Searching and filtering output at the --More-- promptDisplaying lines starting with a specified string Character Operation Using special characters in regular expressionsFiltered results are displayed Character Operation Configuration notes for creating a command alias Creating an alias for a CLI commandSyntax unalias alias-name Syntax alias Brocade ICX 6650 Administration Guide 53-1002600-01 Using slot number, and port number with CLI commands Basic Port Parameters Basic System Parameters Basic system parameter configuration Snmp parameter configuration Entering system administration informationBasic system parameter configuration Specifying an Snmp trap receiver Syntax snmp-server host ip-addr0 1 string port value Specifying a single trap source Syntax no snmp-server enable traps holddown-time secs Setting the Snmp trap holddown timeDisabling Snmp traps Snmp Layer 2 traps Syntax no snmp-server enable traps trap-type Disabling Syslog messages and traps for CLI accessSyntax no enable snmp ve-statistics Displaying virtual routing interface statistics Disabling the Syslog messages and traps Examples of Syslog messages for CLI accessSyntax show logging Specifying an Sntp server Cancelling an outbound Telnet sessionSyntax no logging enable user-login Field Description Syntax no sntp poll-intervalSyntax show sntp associations Syntax show sntp associations details Output from the show sntp associations details command Syntax show sntp status Configuring the device as an Sntp serverConfiguring the device as an Sntp server Sntp server-mode authentication-key 2 $QHMiR3NzQA= Output from the show sntp server-modecommand Enabling broadcast mode for an Sntp clientDisplaying Sntp server information Syntax show sntp server-mode Syntax sntp broadcast client Setting the system clock New start and end dates for US daylight saving time System time for daylight saving time. commandSyntax sntp sync Syntax no clock summer-time Setting a message of the day banner CLI banner configurationLimiting broadcast, multicast, and unknown unicast traffic Syntax no clock timezone us timezone-type Syntax no banner motd require-enter-key Use the no form of the command to disable the requirement Local MAC address for Layer 2 management traffic Setting a privileged Exec CLI level bannerSyntax no banner execmode delimiting-character Syntax no banner incoming delimiting-character Assigning a port name Basic port parameter configurationSyntax no use-local-management-mac Syntax port-name text Port speed and duplex mode configuration syntax Port speed and duplex mode modificationBasic port parameter configuration Syntax speed-duplex value Syntax no speed-duplex 10g-full 1000-full-master Port duplex mode configuration syntax Modifying port duplex modeValue can be one of the following Full Half Auto default Maximum port speed application notes Flow control configuration notes Flow control configurationDisabling or re-enabling a port Disabling or re-enabling flow control Syntax no flow-control neg-on Negotiation and advertisement of flow controlSyntax no flow-control Displaying flow-control status Symmetric flow control on Brocade ICX 6650 devices 40G ports About XON and Xoff thresholds1G or 10G ports Changing the Gbps fiber negotiation mode Interpacket Gap IPG on a Brocade ICX 6650 switchIPG configuration notes Enabling and disabling symmetric flow control Port flap dampening configuration notes Port flap dampening configurationSyntax gig-default neg-full-auto auto-gig neg-off Port priority QoS modification Configuring port flap dampening on a trunk Configuring port flap dampening on an interfaceRe-enabling a port disabled by port flap dampening Displaying ports configured with port flap dampening Column Description Syntax show link-error-disable allSyslog messages for port flap dampening Port loopback detection configuration notes Recovering disabled portsPort loop detection Types of loop detection Configuring the device to automatically re-enable ports Configuring a global loop detection intervalEnabling loop detection Syntax no loop-detection Syntax no errdisable recovery cause loop-detection Specifying the recovery time intervalSyntax no errdisable recovery interval seconds Clearing loop-detection FieldDescription Displaying loop detection resource informationSyntax show loop-detection resource Loop Detection is Enabled Syslog message due to disabled port in loop detection Basic port parameter configuration Feature Brocade ICX 6650 Operations, Administration, and Maintenance OAM Overview Software versions installed and running on a deviceDetermining the flash image version running on the device Brocade ICX 6650 devices Displaying the image versions installed in flash memory Displaying the boot image version running on the deviceSoftware versions installed and running on a device Boot code version is shown in bold type Flash image verification Flash image CLI commandsUse the following command syntax to verify the flash image Image file types Software upgradesViewing the contents of flash files Using Snmp to upgrade software Using Snmp to upgrade softwareSyntax show dir Syntax copy flash console filename Snmp-server community string ro rw Displaying the boot preference Software rebootSoftware boot configuration notes Software reboot Syntax show boot-preference Loading and saving configuration filesLoading and saving configuration files Syntax no logging enable config-changed Logging changes to the startup-config file Dynamic configuration loading Copying a configuration file to or from a Tftp serverDynamic configuration usage considerations Preparing the configuration file CLI responds like this Following command line will not initiate batch mode Using the IPv6 copy command Loading and saving configuration files with IPv6Copying a file from the running or startup configuration Copying a file to an IPv6 Tftp server Loading and saving configuration files with IPv6 Copying a file to the running or startup configurationCopying a file from an IPv6 Tftp server Copying a file to flash memory IPv6 ncopy command IPv6 Tftp server file upload Using Snmp to save and load configuration information System reload scheduling Erasing image and configuration filesReloading at a specific time Syntax reload at hhmmss mm-dd-yyprimary secondary Canceling a scheduled reload Diagnostic error codes and remedies for Tftp transfersError Message Explanation and action Code Reloading after a specific amount of time Pinging an IPv4 address Network connectivity testingNetwork connectivity testing Network connectivity testing Tracing an IPv4 route Network connectivity testing Ports on Demand Overview Feature Brocade ICX Ports on Demand terminology PoD licensing configuration tasksPoD licensing rules Ports on Demand terminology Obtaining a PoD license Configuration task Reference Brocade Software Portal Login window Shows the 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 Syslog message information Transferring a PoD licensePorts on Demand Licensing Front panel PoD Ports on Demand Licensing Rear panel Flexible Ports on DemandPoD licenses Ports on Demand Licensing PoD licenses Enabling ports on the front panelTrial licenses are not available for PoD licensing License SKU License Name Function Syntax scp licensefileonhost user@IPaddresslicenseunit id Example, the license is copied to unit Example above, the license is copied to unit Deleting a ICX6650-10G-LIC-POD license IPaddress variable is the address of the IPv4 Tftp server Enabling ports on the rear panelSyntax show pod Syntax no fpod-40g-enable group groupID Enable ports for group Enter the following command to disable the ports in groupEnable ports in group Disabling the FPoD ports on the rear panel Deleting a 10 GbE or 40 GbE license Syntax license delete unit unitid all index licenseindex Viewing information about PoD licenses Syntax show license Displaying general license information for PoD portsViewing information about PoD licenses Syntax show license unit unitid index indexnumber Syntax show license unit unitid 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 IPv6 addressing overview Full Layer 3 IPv6 feature support IPv6 address types Address Description Address structure Type IPv6 addressing overview IPv6 address types IPv6 command Description Switch code Router code IPv6 CLI command supportIPv6 stateless auto-configuration Description Switch code Router code IPv6 host address on a Layer 2 switch Syntax ipv6 address ipv6-addresslink-local Syntax no ipv6 enable IPv6 configuration on each router interface Configuring basic IPv6 connectivity on a Layer 3 switchEnabling IPv6 routing Syntax no ipv6 unicast-routing Ospf Configuring basic IPv6 connectivity on a Layer 3 switch Configuring a link-local IPv6 address on an interface Syntax ip address ip-addresssub-net-masksecondary Configuring IPv4 and IPv6 protocol stacksConfiguring an IPv6 anycast address on an interface Syntax no ipv6 access-list ACL name Configuring IPv6 management ACLs Configuring Snmp V3 over IPv6 Restricting Snmp access to an IPv6 nodeConfiguring Sntp over IPv6 Specifying an IPv6 Snmp trap receiver Establishing a Telnet session from an IPv6 host IPv6 TelnetIPv6 traceroute Syntax no ipv6 dns domain-name domain name Defining an IPv6 DNS entrySyntax traceroute ipv6 ipv6-address Pinging an IPv6 address Viewing IPv6 Snmp server addresses Configuring an IPv6 Syslog server Disabling router advertisement and solicitation messages Static IPv6 route configurationDisabling IPv6 on a Layer 2 switch Configuring a static IPv6 route Prefix-length parameter Parameter Configuration details StatusDest-ipv6-prefix parameter Configuring a manual IPv6 tunnel IPv6 over IPv4 tunnel configuration notesIPv6 over IPv4 tunnels IPv6 over IPv4 tunnels Clearing IPv6 tunnel statistics Displaying a summary of tunnel information Displaying IPv6 tunnel informationDisplaying tunnel interface information Syntax clear ipv6 tunnel number Syntax show interfaces tunnel number Displaying interface level IPv6 settings Display command above reflects the following configuration Ecmp load sharing for IPv6 Ecmp load sharing for IPv6 Displaying Ecmp load-sharing information for IPv6 Disabling or re-enabling Ecmp load sharing for IPv6Changing the maximum load sharing paths for IPv6 Configuring Icmp rate limiting IPv6 Icmp feature configurationIPv6 Icmp feature configuration Syntax ipv6 icmp error-interval interval number-of-tokens IPv6 neighbor discovery configuration IPv6 neighbor discovery configurationEnabling IPv6 Icmp redirect messages Syntax no ipv6 redirects Neighbor discovery is not supported on tunnel interfaces IPv6 neighbor discovery configuration notesNeighbor solicitation and advertisement messages Neighbor redirect messages Router advertisement and solicitation messages Setting IPv6 router advertisement parameters Here is another example with a specified range Prefixes advertised in IPv6 router advertisement messages Syntax no ipv6 nd suppress-ra Setting flags in IPv6 router advertisement messagesEnabling and disabling IPv6 router advertisements Configuration notes and feature limitations for IPv6 MTU Configuring reachable time for remote IPv6 nodesIPv6 MTU IPv6 MTU Syntax no ipv6 mtu bytes Static neighbor entries configurationChanging the IPv6 MTU IPv6 source routing security enhancements Limiting the number of hops an IPv6 packet can traverseClearing global IPv6 information Syntax no ipv6 hop-limit number Clearing global IPv6 information Clearing the IPv6 cacheClearing IPv6 neighbor information Clearing IPv6 routes from the IPv6 route table Displaying global IPv6 informationClearing IPv6 traffic statistics 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 Port Displaying IPv6 TCP informationSyntax show ipv6 router Free TCP = percentage Syntax show ipv6 tcp connections = percentage General IPv6 TCP connection fields Location of the TCP Field Description IPv6 statistics Displaying IPv6 traffic statisticsSyntax show ipv6 traffic ICMP6 statistics Applies to received only TCP statistics Snmp overview Snmp Access Encryption of Snmp community strings Snmp community stringsAdding an Snmp community string Snmp community strings Snmp-server community 1 encrypted-string rw Syntax show snmp server Displaying the Snmp community strings Configuring Snmp version 3 on Brocade ICX 6650 devices Configuring your NMSUser-based security model Defining the engine id Syntax no snmp-server engineid local hex-string Snmp version 3. If you want commandDefining an Snmp group Defining an Snmp user account 162 Brocade ICX 6650 Administration Guide 53-1002600-01 Syntax no snmp-server view name mibtree included excluded Defining Snmp viewsSyntax system-max view number-of-views Snmp version 3 traps To delete a view, use the no parameter before the commandSnmp version 3 traps Trap MIB changes Defining the UDP port for Snmp v3 traps Specifying an IPv6 host as an Snmp trap receiver Restricting Snmp Access to an IPv6 NodeSnmp v3 over IPv6 Backward compatibility with SMIv1 trap format Displaying the Engine ID Displaying Snmp InformationDisplaying Snmp Information Syntax show snmp engineid Displaying user information Displaying Snmp groupsInterpreting varbinds in report packets Syntax show snmp group Simple Snmp v3 configuration Snmp v3 configuration examplesMore detailed Snmp v3 configuration Snmp v3 configuration examples 170 Brocade ICX 6650 Administration Guide 53-1002600-01 FDP Overview CDP packets FDP Overview Changing the FDP update timer FDP configurationEnabling FDP globally Enabling FDP at the interface level Displaying FDP information Syntax no fdp timer secsChanging the FDP hold time Displaying neighbor information Entry addresses This line Displays Brocade ICX 6650 Administration Guide 175 53-1002600-01 Displaying FDP information for an interface Clearing FDP and CDP informationDisplaying FDP and CDP statistics Clearing FDP and CDP neighbor information Enabling interception of CDP packets globally CDP packetsEnabling interception of CDP packets on an interface Clearing FDP and CDP statistics Displaying neighbors Displaying CDP information Syntax show fdp entry * device-id Displaying CDP entries Displaying CDP statistics To clear CDP statistics, enter the following commandClearing CDP information Lldp and LLDP-MED Lldp terms used in this chapter Lldp terms used in this chapter Supported Lldp features Illustrates Lldp connectivity Lldp overview LLDP-MED overview LLDP-MED overviewBenefits of Lldp LLDP-MED connectivity Benefits of LLDP-MED General Lldp operating principles Lldp transmit modeLLDP-MED class Lldp operating modes Lldp packets Lldp receive mode Organizationally-specific TLVs TLV supportLldp TLVs Mandatory TLVs LLDP-MED TLVsChassis ID Chassis ID TLV is always the first TLV in the Lldpdu TTL value Port ID TLV packet format MIB support TTL TLV format is shown below MIB supportSyslog messages Lldp configuration notes and considerations Lldp configurationLldp configuration Global task Default behavior / value when Lldp is enabled Enabling support for tagged Lldp packets Changing a port Lldp operating modeEnabling and disabling Lldp Enabling and Disabling Transmit Only Mode Enabling and disabling receive only mode Syntax no lldp max-total-neighbors value Maximum number of Lldp neighborsSpecifying the maximum number Lldp neighbors per device Syntax no lldp max-neighbors-per-port value Enabling Lldp Snmp notifications and Syslog messagesSpecifying the maximum number Lldp neighbors per port Syntax no lldp snmp-notification-interval seconds Syntax no lldp transmit-delay secondsChanging the minimum time between Lldp transmissions Changing the holdtime multiplier for transmit TTL Changing the interval between regular Lldp transmissionsSyntax no lldp transmit-interval seconds Syntax no lldp transmit-hold value Changing the minimum time between port reinitializations Syntax no lldp reinit-delay secondsLldp TLVs advertised by the Brocade device General system information for Lldp Management Address System capabilities Port description System description Vlan name CapabilitiesSystem name Link aggregation TLV Untagged Vlan ID MAC and PHY configuration status LLDP-MED configuration LLDP-MED configurationThis section provides the details for configuring LLDP-MED Maximum frame size Default behavior / value Syntax no lldp med fast-start-repeat-count value Changing the fast start repeat count Coordinate-based location Defining a location id Example coordinate-based location advertisement Example coordinate-based location configuration Type value elem CA type value elem CA type value Configuring civic address location LLDP-MED configuration Elements used with civic address Description Acceptable values / examples Type Number variable is a number from 10 to 25 digits in length Configuring emergency call serviceExample civic address location advertisement Example ECS Elin location advertisements LLDP-MED network policy configuration syntaxDefining an LLDP-MED network policy 216 Brocade ICX 6650 Administration Guide 53-1002600-01 LLDP-MED capabilities LLDP-MED attributes advertised by the Brocade device LLDP-MED attributes advertised by the Brocade device Displaying Lldp statistics and configuration settingsLldp configuration summary Syntax show lldp Displaying Lldp statistics Syntax show lldp statistics Clear lldp statistics all command was issued Syntax show lldp neighbors Displaying Lldp neighbors Displaying Lldp neighbors detail Displaying Lldp configuration details Resetting Lldp statistics Clearing cached Lldp neighbor information Digital optical monitoring Digital optical monitoring configuration limitationsEnabling digital optical monitoring Syntax no optical-monitor Syntax no optical-monitor alarm-interval Setting the alarm intervalDisplaying information about installed media Empty Syntax show media slot slot ethernet stack-unit/slot/port Viewing optical monitoring information Status value Description Viewing optical transceiver thresholds Syntax show optic threshold stack-unit/slot/port Syslog messages for optical transceivers Syslog Displaying Syslog messages About Syslog messages Enabling real-time display for a Telnet or SSH session Enabling real-time display of Syslog messagesSyntax no logging console Syntax terminal monitor Displaying the Syslog configuration Syslog service configurationSyslog service configuration Displaying real-time Syslog messages Field Definition Static and dynamic buffers Syntax clear logging dynamic-buffer static-buffer Clearing log entriesTime stamps Brocade ICX 6650 Administration Guide 237 53-1002600-01 Disabling or re-enabling Syslog To specify a Syslog server, enter the logging host commandSpecifying a Syslog server Syntax no logging on udp-port Disabling logging of a message level Specifying an additional Syslog serverChanging the number of entries the local buffer can hold Syntax no logging buffered level num-entries Syntax logging facility facility-name Local buffer configuration notesChanging the log facility Syntax no Ip show-portname Displaying interface names in Syslog messagesDisplaying TCP or UDP port numbers in Syslog messages Clearing the Syslog messages from the local buffer Retaining Syslog messages after a soft rebootSyslog reboot configuration considerations Viewing system information Basic system management Syntax show version Viewing configuration information Syntax show option Viewing port statisticsSyntax show statistics ethernet stack-unit/slot/port Port statistics Statistics Basic system management Port statisticsParameter Description Viewing STP statistics Syntax clear option Clearing statistics Syntax show interface ethernet stack-unit/slot/port Viewing egress queue counters Maximum number of entries allowed Rmon control table Rmon supportClearing the egress queue counters Syntax clear statistics ethernet stack-unit/slot/port Rmon support Statistics Rmon groupSyntax show rmon statistics ethernet stack-unit/slot/port ParameterDefinition Parameter Definition Rmon support Export configuration and statistics Event Rmon group Alarm Rmon groupHistory Rmon group SFlow version SFlow Extended gateway information SFlow support for IPv6 packetsExtended router information IPv6 packet sampling SFlow configuration considerationsSFlow and hardware support SFlow and CPU utilization SFlow and sampling rate Configuring and enabling sFlowSFlow and source port Syntax no sflow destination ip-addrdest-udp-port Specifying the collectorSpecifying an sFlow collector on IPv4 devices Changing the sampling rate Changing the polling intervalSpecifying an sFlow collector on IPv6 devices Syntax no sflow destination ipv6 ip-addrdest-udp-port Configured rate and actual rate Configuration considerationsChange to global rate Module rate Syntax no sflow sample num Changing the default sampling rateChanging the sampling rate of a module Changing the sampling rate on a port Changing the sampling rate for a trunk port Enabling sFlow forwarding Command syntax for enabling sFlow forwardingChanging the sFlow source port Syntax no sflow source-port num Syntax no sflow enable Syntax no sflow forwarding SFlow version 5 feature configuration Specifying the sFlow agent IP address Specifying the sFlow version formatSpecifying the version used for exporting sFlow data Syntax no sflow agent-ip ipv4-addr Syntax no sflow version 2 Specifying the maximum flow sample sizeSyntax no sflow max-packet-size size Syntax no sflow export system-info Enabling the sFlow agent to export CPU-directed data Displaying sFlow informationSyntax no sflow export cpu-traffic Specifying the sampling rate for exported CPU-directed data Syntax show sflow Syntax clear statistics Clearing sFlow statisticsSFlow SFlow information Utilization list for an uplink port Utilization list for an uplink port command syntaxUtilization list for an uplink port Syntax show relative-utilization num Displaying utilization percentages for an uplink 272 Brocade ICX 6650 Administration Guide 53-1002600-01 Message Explanation Brocade Syslog messagesFan num, location , failed Mac-address on portnum Syslog messages Brocade Syslog messages PCI-bus-number, Dev PCI-config-register-offsetPCI-device-number, Reg Offset Addr memory-address Level shutdown-degrees C degrees Message level ExplanationFrom session-id Username from session-id filter Root ID root-id User username from session-id Stp-state Vlan-id IP=ipaddr MAC address any, dst mac = DestinationMAC address any Fan speed Port-number Unit/slot/port on VLANs vlan-id to Vlan-id Unit/slot/port toUnit/slot/port on vlan-id Unit/slot/port on Vlan vlan-id Mac-address MsgAgeExpiry Mac-address MgmtPriChgVlan vlan-id interface portnum STP Mac-address RootPort portnum DOT1X Port portid Mac macaddress Portnum State ospf-state Macaddress on port portidRid router-id, intf addr ip-addr 286 Brocade ICX 6650 Administration Guide 53-1002600-01 Pkt type pkt-type Type Ip-addr, pkt type type Area area-id, LSA type lsa-type LSA id lsa-id, LSA rid lsa-router-idRid router-id, limit num Ospf-state Brocade ICX 6650 Administration Guide 291 53-1002600-01 Interface configuration error has occurred Nbr ip-addr, state ospf-state Rid router-id, area area-id Rid router-id, nbr addr ip-addr Mac-addr interface portnum State vrrp-stateMac-address Ethernet portnum mac-addr List ACL-num denied ip-protoEportnum, address mac-address Portnum src macaddr mac-addr Chassis temperature has risen above the warning level 298 Brocade ICX 6650 Administration Guide 53-1002600-01 Brocade product Brocade IronWare Discussed Software version Local user password changesNIAP-CCEVS certified Brocade equipment Ironware releases 300 Brocade ICX 6650 Administration Guide 53-1002600-01 Index Lldp enable receive ports Lldp advertise mac-phy-config-status portsIpv6 nd prefix-advertisement,134 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