Dell PowerEdge FX2/FX2s Manuel d'utilisateur

Dell PowerEdge FN I/O AggregatorConfiguration Guide9.6(0.0)

20 PMUX Mode of the IO Aggregator... 216Link Aggregation...

Port Channel Definitions and StandardsLink aggregation is defined by IEEE 802.3ad as a method of grouping multiple physical interfaces into a single l

10GbE Interface in Port ChannelsWhen TenGigabitEthernet interfaces are added to a port channel, the interfaces must share a common speed. When interfa

To display detailed information on a port channel, enter the show interfaces port-channel command in EXEC Privilege mode. The below example shows the

NOTE: When creating an interface range, interfaces appear in the order they were entered and are not sorted.To display all interfaces that have been v

CommasThe example below shows how to use commas to add different interface types to the range, enabling all Ten Gigabit Ethernet interfaces in the ran

Over 255B packets: 0 0 pps 0 Over 511B packets: 0 0 pps

The following error message appears when trying to enable half duplex and flow control configuration is on:Can’t configure half duplex when flowcontro

For example, the VLAN contains tagged members with a link MTU of 1522 and an IP MTU of 1500 and untagged members with a link MTU of 1518 and an IP MTU

show interface status Command Example:Dell# show interfaces statusPort Description Status Speed Duplex VlanTe 0/1 Up 10000

speed auto interface-config modeSupported Supported Supported Supported Error messages not thrown wherever it says not supportedspeed 1000 interface-c

Applying a DCB Map on Server-facing Ethernet Ports ...255Creating an FCoE VLAN...

interface, whether the interface supports IEEE 802.1Q tagging or not, and the VLANs to which the interface belongs.show interfaces switchport Command

Without an interface specified, the command clears all interface counters.• (OPTIONAL) Enter the following interface keywords and slot/port or number

9iSCSI OptimizationAn Aggregator enables internet small computer system interface (iSCSI) optimization with default iSCSI parameter settings(Default i

• iSCSI DCBx TLVs are supported.The following figure shows iSCSI optimization between servers in a server enclosure and a storage array in which an Ag

You can configure the switch to monitor traffic for additional port numbers or a combination of port number and target IP address, and you can remove

occur like jumbo frames on all ports and no storm control and spanning treeport-fast on the port of detection.Configuring iSCSI OptimizationTo configu

[no] iscsi target port tcp-port-1 [tcp-port-2...tcp-port-16] [ip-address address]• tcp-port-n is the TCP port number or a list of TCP port numbers on

You can send iSCSI TLVs either globally or on a specified interface. The interface configuration takes priority over global configuration.The default

------------------------------------------------TCP Port Target IP Address3260860show iscsi sessions Command ExampleDell# show iscsi sessionsSession 0

10Link AggregationThe I/O Aggregator auto-configures with link aggregation groups (LAGs) as follows:• All uplink ports are automatically configured in

Important Points to Remember... 28524 Standards Complian

number is assigned based on the first available number in the range from 1 to 127. For each unique remote system-id and port-key combination, a new LA

• Creating a Port Channel (mandatory)• Adding a Physical Interface to a Port Channel (mandatory)• Reassigning an Interface to a New Port Channel (opti

To add a physical interface to a port, use the following commands.1. Add the interface to a port channel.INTERFACE PORT-CHANNEL modechannel-member int

0 runts, 0 giants, 0 throttles 0 CRC, 0 overrun, 0 discardedOutput Statistics: 0 packets, 0 bytes, 0 underruns 0 64-byte pkts, 0 over

This command is applicable only in PMUX mode.3. Add the interface to the second port channel.INTERFACE PORT-CHANNEL modechannel-member interfaceExampl

Dell(conf-if-te-0/2)#vlan tagged 2,3-42. Use the switchport command in INTERFACE mode to enable Layer 2 data transmissions through an individual inter

Dell(config)# io-aggregator auto-lag enableTo disable the auto LAG on all the server ports, use the no io-aggregator auto-lag enable command. When dis

0 CRC, 0 overrun, 0 discardedOutput Statistics: 0 packets, 0 bytes, 0 underruns 0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts

Dell(conf)#interface port-channel 128 Dell(conf-if-po-128)#minimum-links 4Use the show interfaces port-channel command to view information regarding t

Preserving LAG and Port Channel Settings in Nonvolatile StorageUse the write memory command on an I/O Aggregator, which operates in either standalone

1About this GuideThis guide describes the supported protocols and software features, and provides configuration instructions and examples, for the Del

Table 8. Output Field Descriptions for show link-bundle-distribution port-channel CommandField DescriptionLink-bundle trigger threshold Threshold valu

LineSpeed 40000 MbitMembers in this channel: Te0/9 Te0/10 Te 0/11 Te0/12ARP type: ARPA, ARP Timeout 04:00:00Last clearing of "show interface&qu

show interfaces port-channel 1 Command ExampleDell# show interfaces port-channel 1Port-channel 1 is up, line protocol is upCreated by LACP protocolHar

11Layer 2The Aggregator supports CLI commands to manage the MAC address table:• Clearing the MAC Address Entries• Displaying the MAC Address TableThe

Displaying the MAC Address TableTo display the MAC address table, use the following command.• Display the contents of the MAC address table.EXEC Privi

Figure 17. Redundant NOCs with NIC TeamingMAC Address Station MoveWhen you use NIC teaming, consider that the server MAC address is originally learned

Figure 18. MAC Address Station MoveMAC Move OptimizationStation-move detection takes 5000ms because this is the interval at which the detection algori

12Link Layer Discovery Protocol (LLDP)Link layer discovery protocol (LLDP) advertises connectivity and management from the local station to the adjace

TLVs are encapsulated in a frame called an LLDP data unit (LLDPDU), which is transmitted from one LLDP-enabled device to its LLDP-enabled neighbors. L

Management TLVsA management TLV is an optional TLVs sub-type. This kind of TLV contains essential management information about the sender.Organization

Information SymbolsThis book uses the following information symbols.NOTE: The Note icon signals important operational information.CAUTION: The Caution

Type TLV Description8 Management address Indicates the network address of the management interface. The Dell Networking OS does not currently support

Type TLV Descriptionand the port identification of the LAG. The Dell Networking OS does not currently support this TLV.127 Maximum Frame Size Indicate

Table 11. LLDP-MED Device TypesValue Device Type0 Type Not Defined1 Endpoint Class 12 Endpoint Class 23 Endpoint Class 34 Network Connectivity5–255 Re

Type Application Description4 Guest Voice Signaling Specify this application type only if guest voice control packets use a separate network policy th

Figure 24. Extended Power via MDI TLVLLDP OperationOn an Aggregator, LLDP operates as follows:• LLDP is enabled by default.• LLDPDUs are transmitted a

protocol lldpR1(conf-if-te-0/3-lldp)#Viewing Information Advertised by Adjacent LLDP AgentsTo view brief information about adjacent devices or to vi

Clearing LLDP CountersYou can clear LLDP statistics that are maintained on an Aggregator for LLDP counters for frames transmitted to and received from

Figure 25. The debug lldp detail Command — LLDPDU Packet DissectionRelevant Management ObjectsDell Networkings OS supports all IEEE 802.1AB MIB object

MIB Object CategoryLLDP Variable LLDP MIB Object DescriptionmsgTxInterval lldpMessageTxInterval Transmit Interval value.rxInfoTTL lldpRxInfoTTL Time t

Table 14. LLDP System MIB ObjectsTLV Type TLV Name TLV Variable System LLDP MIB Object1 Chassis ID chassis ID subtype Local lldpLocChassisIdSubtypeRem

2Before You StartTo install the Aggregator in a Dell PowerEdge FX2 server chassis, use the instructions in the Dell PowerEdge FN I/O Aggregator Gettin

TLV Type TLV Name TLV Variable System LLDP MIB Objectinterface numbering subtypeLocal lldpLocManAddrIfSubtypeRemote lldpRemManAddrIfSubtypeinterface n

Table 16. LLDP-MED System MIB ObjectsTLV Sub-Type TLV Name TLV Variable System LLDP-MED MIB Object1 LLDP-MED CapabilitiesLLDP-MED CapabilitiesLocallld

TLV Sub-Type TLV Name TLV Variable System LLDP-MED MIB Object3 Location Identifier Location Data FormatLocal lldpXMedLocLocationSubtypeRemote lldpXMed

13Port MonitoringThe Aggregator supports user-configured port monitoring. See Configuring Port Monitoring for the configuration commands to use.Port m

Example of Viewing Port Monitoring ConfigurationTo display information on currently configured port-monitoring sessions, use the show monitor session

• The destination interface must be an uplink port (ports 9 to 12).• In general, a monitoring port should have no ip address and no shutdown as the on

• If the MD port is a Layer 2 port, the frames are tagged with the VLAN ID of the VLAN to which the MD belongs.• If the MD port is a Layer 3 port, the

14SecuritySecurity features are supported on the I/O Aggregator.This chapter describes several ways to provide access security to the Dell Networking

AAA AccountingAccounting, authentication, and authorization (AAA) accounting is part of the AAA security model.For details about commands related to A

Suppressing AAA Accounting for Null Username SessionsWhen you activate AAA accounting, the Dell Networking OS software issues accounting records for a

Select this mode to configure PMUX mode CLI commands.For more information on the PMUX mode, refer to PMUX Mode of the IO Aggregator.Stacking modestack

Monitoring AAA AccountingDell Networking OS does not support periodic interim accounting because the periodic command can cause heavy congestion when

• Enabling AAA AuthenticationFor a complete list of all commands related to login authentication, refer to the Security chapter in the Dell Networking

Enabling AAA AuthenticationTo enable AAA authentication, use the following command.• Enable AAA authentication.CONFIGURATION modeaaa authentication en

Example of Enabling Local Authentication for the Console and Remote Authentication for VTY LinesDell(config)# aaa authentication enable mymethodlist r

Configuration Task List for RADIUSTo authenticate users using RADIUS, you must specify at least one RADIUS server so that the system can communicate w

• Enable AAA login authentication for the specified RADIUS method list.LINE modelogin authentication {method-list-name | default}This procedure is man

Setting Global Communication Parameters for all RADIUS Server HostsYou can configure global communication parameters (auth-port, key, retransmit, and

TACACS+Dell Networking OS supports terminal access controller access control system (TACACS+ client, including support for login authentication.Config

Example of a Failed AuthenticationTo view the configuration, use the show config in LINE mode or the show running-config tacacs+ command in EXEC Privi

Example of Specifying a TACACS+ Server HostDell(conf)#Dell(conf)#aaa authentication login tacacsmethod tacacs+Dell(conf)#aaa authentication exec tacac

• Data center bridging capability exchange protocol (DCBx): Server-facing ports auto-configure in auto-downstream port roles; uplink ports auto-config

Enabling SCP and SSHSecure shell (SSH) is a protocol for secure remote login and other secure network services over an insecure network. Dell Networki

Using SCP with SSH to Copy a Software ImageTo use secure copy (SCP) to copy a software image through an SSH connection from one switch to another, use

• The SSH server and client are enhanced to support the VRF awareness functionality. Using this capability, an SSH client or server can use a VRF inst

Example of Generating RSA Keysadmin@Unix_client#ssh-keygen -t rsaGenerating public/private rsa key pair.Enter file in which to save the key (/home/adm

admin@Unix_client# lsid_rsa id_rsa.pub shostsadmin@Unix_client# cat shosts10.16.127.201, ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA8K7jLZRVfjgHJzUOmXxuIbZx/

The Telnet server or client is VRF-aware. You can enable a Telnet server or client to listen to a specific VRF by using the vrf vrf-instance-name para

local database and applies it. (Dell Networking OS then can close the connection if a user is denied access.)NOTE: If a VTY user logs in with RADIUS a

To apply a MAC ACL on a VTY line, use the same access-class command as IP ACLs.The following example shows how to deny incoming connections from subne

15Simple Network Management Protocol (SNMP)Network management stations use SNMP to retrieve or alter management data from network elements. A datum of

Setting up SNMPDell Networking OS supports SNMP version 1 and version 2 which are community-based security models. The primary difference between the

iSCSI OperationSupport for iSCSI traffic is turned on by default when the Aggregator powers up. No configuration is required.When an aggregator powers

• Read the value of the managed object directly below the specified object.snmpgetnext -v version -c community agent-ip {identifier.instance | descrip

To display the ports in a VLAN, send an snmpget request for the object dot1qStaticEgressPorts using the interface index as the instance number, as sho

Fetching Dynamic MAC Entries using SNMPThe Aggregator supports the RFC 1493 dot1d table for the default VLAN and the dot1q table for all other VLANs.N

>snmpwalk -v 2c -c techpubs 10.11.131.162 .1.3.6.1.2.1.17.4.3.1SNMPv2-SMI::mib-2.17.4.3.1.1.0.1.232.6.149.172 = Hex-STRING: 00 01 E8 06 95 ACExampl

are not given. The interface is physical, so this must be represented by a 0 bit, and the unused bit is always 0. These two bits are not given because

dot3aCurAggVlanIdSNMPv2-SMI::enterprises.6027.3.2.1.1.4.1.1.1.0.0.0.0.0.1.1 = INTEGER: 1dot3aCurAggMacAddrSNMPv2-SMI::enterprises.6027.3.2.1.1.4.1.2.1

Unit Slot Expected Inserted Next Boot Status/Power(On/Off)------------------------------------------------------------------------1 0 SFP+ SFP+ AUTO G

Fetching the Switchport Configuration and the Logical Interface Configuration Important Points to Remember• The SNMP should be configured in the chass

16StackingAn Aggregator auto-configures to operate in standalone mode. To use an Aggregator in a stack, you must manually configure it using the CLI t

2. The switch with the highest MAC address at boot time.3. A unit is selected as Standby by the administrator, and a fail over action is manually init

Uplink LAGThe tagged VLAN membership of the uplink LAG is automatically configured based on the VLAN configuration of all server-facing ports (ports f

Cabling the Switch StackDell PowerEdge FN I/O Aggregators are connected to operate as a single stack in a ring topology using the SFP+ or Base-T ports

Repeat the above steps on each Aggregator in the stack by entering the stackunit 0 iom-mode stack command and saving the configuration.If the stacked

If an Aggregator is already configured to operate in stacking mode, simply attach SFP+ or direct attach cables to connect 10G ports on the base module

Merging Two Operational StacksThe recommended procedure for merging two operational stacks is as follows:1. Always power off all units in one stack be

Troubleshooting a Switch StackTo perform troubleshooting operations on a switch stack, use the following commands on the master switch.1. Displays the

Master Switch Fails• Problem: The master switch fails due to a hardware fault, software crash, or power loss.• Resolution: A failover procedure begins

-- Stack Info --Unit UnitType Status ReqTyp CurTyp Version Ports----------------------------------------------------------

write memory5. Reload the stack unit to activate the new Dell Networking OS version.CONFIGURATION modereloadExample of Upgrading all Stacked SwitchesT

CONFIGURATION modeboot system stack-unit unit-number primary system partition3. Save the configuration.EXEC Privilege modewrite memory4. Reset the sta

17Broadcast Storm ControlIn Standalone mode, the broadcast storm control feature is enabled by default on all ports, and disabled on a port when an iS

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

3Configuration FundamentalsThe Dell Networking Operating System (OS) command line interface (CLI) is a text-based interface you can use to configure i

18System Time and DateThe Aggregator auto-configures the hardware and software clocks with the current time and date. If necessary, you can manually s

• Set the clock to the appropriate timezone.CONFIGURATION modeclock timezone timezone-name offset– timezone-name: Enter the name of the timezone. Do n

Example of the clock summer-time CommandDell(conf)#clock summer-time pacific date Mar 14 2012 00:00 Nov 7 2012 00:00Dell(conf)#Setting Recurring Dayli

Example of the clock summer-time recurring CommandDell(conf)#clock summer-time pacific recurring Mar 14 2012 00:00 Nov 7 2012 00:00Dell(conf)#NOTE: If

19Uplink Failure Detection (UFD) Feature DescriptionUFD provides detection of the loss of upstream connectivity and, if used with network interface co

Figure 27. Uplink Failure DetectionHow Uplink Failure Detection WorksUFD creates an association between upstream and downstream interfaces. The associ

Figure 28. Uplink Failure Detection ExampleIf only one of the upstream interfaces in an uplink-state group goes down, a specified number of downstream

Using UFD, you can configure the automatic recovery of downstream ports in an uplink-state group when the link status of an upstream port changes. The

– For an example of debug log message, refer to Clearing a UFD-Disabled Interface.Uplink Failure Detection (SMUX mode)In Standalone or VLT modes, by d

UPLINK-STATE-GROUP mode{upstream | downstream} interfaceFor interface, enter one of the following interface types:• TenGigabit Ethernet: enter tengiga

• EXEC Privilege mode has commands to view configurations, clear counters, manage configuration files, run diagnostics, and enable or disable debug op

The default is auto-recovery of UFD-disabled downstream ports is enabled.To disable auto-recovery, use the no downstream auto-recover command.6. Speci

Example of Syslog Messages Before and After Entering the clear ufd-disable uplink-state-group CommandThe following example message shows the Syslog me

Displaying Uplink Failure DetectionTo display information on the UFD feature, use any of the following commands.• Display status information on a spec

Te 0/6(Dwn) Te 0/7(Up) Te 0/8(Up)Dell# Example of Viewing Interface Status with UFD InformationDell#show interfaces tengigabit

Sample Configuration: Uplink Failure DetectionThe following example shows a sample configuration of UFD on a switch/router in which you configure as f

Uplink State Group : 3 Status: Enabled, UpUpstream Interfaces : Te 0/3(Dwn) Te 0/4(Up)Downstream Interfaces : Te 0/1(Dis) Te 0/2(Dis) Te 0/5(Up)

20PMUX Mode of the IO AggregatorThis chapter describes the various configurations applicable in PMUX mode.Link AggregationUnlike IOA Automated modes (

Dell(conf-if-po-10)#portmode hybridDell(conf-if-po-10)#switchportDell(conf-if-po-10)#vlan tagged 1000Dell(conf-if-po-10)#link-bundle-monitor enableDel

An Aggregator auto-configures to support the link layer discovery protocol (LLDP) for the auto-discovery of network devices. You can use CLI commands

Dell(conf-if-te-0/3-lldp)#?advertise Advertise TLVsdisable Disable LLDP protocol on this interfaceend Exit from configura

CLI Command Mode Prompt Access CommandCONFIGURATIONDell(conf)#• From EXEC privilege mode, enter the configure command.• From every mode except EXEC an

advertise {dcbx-appln-tlv | dcbx-tlv | dot3-tlv | interface-port-desc | management-tlv | med }Include the keyword for each TLV you want to advertise.•

Example of Viewing LLDP Global ConfigurationsR1(conf)#protocol lldpR1(conf-lldp)#show config!protocol lldp advertise dot3-tlv max-frame-size adverti

The neighbors are given below:----------------------------------------------------------------------- Remote Chassis ID Subtype: Mac address (4) R

Configuring a Time to LiveThe information received from a neighbor expires after a specific amount of time (measured in seconds) called a time to live

Figure 30. The debug lldp detail Command — LLDPDU Packet DissectionSecuritySecurity features are supported on the I/O Aggregator.This chapter describe

If an error occurs in the transmission or reception of RADIUS packets, you can view the error by enabling the debug radius command.Transactions betwee

• Enter a text string (up to 16 characters long) as the name of the method list you wish to use with the RADIUS authentication method.CONFIGURATION mo

– key [encryption-type] key: enter 0 for plain text or 7 for encrypted text, and a string for the key. The key can be up to 42 characters long. This k

– seconds: the range is from 0 to 1000. Default is 5 seconds.To view the configuration of RADIUS communication parameters, use the show running-config

CONFIGURATION modeline {aux 0 | console 0 | vty number [end-number]}4. Assign the method-list to the terminal line.LINE modelogin authentication {meth

4 Member not present 5 Member not presentDell#Undoing CommandsWhen you enter a command, the command line is added to the running co

TACACS+ Remote AuthenticationWhen configuring a TACACS+ server host, you can set different communication parameters, such as the key password.Example

Configuring Storm ControlThe following configurations are available only in PMUX mode.1. To configure the percentage of broadcast traffic allowed on a

differentiator between the UTC and your local timezone. For example, San Jose, CA is the Pacific Timezone with a UTC offset of -8.To set the clock tim

– offset: (OPTIONAL) enter the number of minutes to add during the summer-time period. The range is from 1 to 1440. The default is 60 minutes.Example

– offset: (OPTIONAL) Enter the number of minutes to add during the summer-time period. The range is from 1 to1440. The default is 60 minutes.Example o

4. Initialize the port-channel with configurations such as admin up, portmode, and switchport.Dell#configureDell(conf)#int port-channel 128Dell(conf-i

You can remove the tagged VLANs using the no vlan tagged vlan-range command. You can remove the untagged VLANs using the no vlan untagged command in t

• Provides a loop-free topology.• Uses all available uplink bandwidth.• Provides fast convergence if either the link or a device fails.• Optimized for

Configuration NotesWhen you configure VLT, the following conditions apply.• VLT domain– A VLT domain supports two chassis members, which appear as a s

– When you change the default VLAN ID on a VLT peer switch, the VLT interconnect may flap.– In a VLT domain, the following software features are suppo

• Enter [space]? after a keyword lists all of the keywords that can follow the specified keyword.Dell(conf)#clock ?summer-time Configure summer (

• Software features supported on VLT port-channels– For information about configuring IGMP Snooping in a VLT domain, refer to VLT and IGMP Snooping.–

associated with the VLT domain. If heartbeat messages are not received, the Secondary Peer forwards traffic assumes the role of the Primary Peer. If t

Additionally, ARP entries resulting from station movements from VLT to non-VLT ports or to different non-VLT ports are learned on the non-VLT port and

* Port channel: enter port-channel {1-128}.Example of the show vlt backup-link CommandDell_VLTpeer1# show vlt backup-linkVLT Backup Link--------------

Remote system version: 5(1) Delay-Restore timer: 90 secondsExample of the show vlt detail CommandDell_VLTpeer1# show vlt detailLo

Example of the show vlt statistics CommandDell_VLTpeer1# show vlt statisticsVLT Statistics----------------HeartBeat Messages Sent: 987HeartBeat Me

Dell_VLTpeer1(conf-if-po-110)#vlt-peer-lag port-channel 110Dell_VLTpeer1(conf-if-po-110)#endVerify that the port channels used in the VLT domain are a

NUM Status Description Q Ports 10 Active U Po110(Te 0/8) T Po100(Te 0/3,4)Verifying a Port-Channel Connecti

Description Behavior at Peer Up Behavior During Run TimeAction to TakeSystem MAC mismatch A syslog error message and an SNMP trap are generated.A sysl

21NPIV Proxy GatewayThe N-port identifier virtualization (NPIV) Proxy Gateway (NPG) feature provides FCoE-FC bridging capability on the FN 2210S Aggre

Short-Cut Key CombinationActionEsc F Moves the cursor forward one word.Esc D Deletes all characters from the cursor to the end of the word.Command His

Converged Network Adapter (CNA) ports on servers connect to the FX2 chassis Ten-Gigabit Ethernet ports and log in to an upstream FC core switch throug

NPIV Proxy Gateway: Terms and DefinitionsThe following table describes the terms used in an NPG configuration on the Aggregator.Table 20. Aggregator w

Term Descriptionan upstream FCoE switch operating as an FCF. FIP keepalive messages maintain the connection between an FCoE initiator and an FCF.NPIV

Configuring an NPIV Proxy GatewayPrerequisite: Before you configure an NPIV proxy gateway (NPG) on an Aggregator, ensure that the following features a

Fabric Name SAN_FABRICFabric Id 1002 Vlan Id 1002 Vlan priority 3 FC-MAP 0efc00FKA-ADV-Period 8

Step Task Command Command ModeRestriction: You can enable PFC on a maximum of two priority queues.Repeat this step to configure PFC and ETS traffic ha

Step Task Command Command ModeYou cannot apply a DCB map on a port channel. However, you can apply a DCB map on the ports that are members of the port

Step Task Command Command Mode1Create an FCoE map that contains parameters used in the communication between servers and a SAN fabric.fcoe-map map-nam

Step Task Command Command Mode1Configure a server-facing Ethernet port or port channel with an FCoE map.interface {tengigabitEthernet slot/port | port

Step Task Command Command Mode3Enable the port for FC transmission.no shutdownINTERFACE FIBRE_CHANNELImportant Points to RememberYou can apply a DCB o

Admin mode is On Admin is enabled Local is enabled Link Delay 65535 pause quantumDell(conf)#The find keyword displays the output of t

Dell(config-fcoe-name)# keepalive Dell(config-fcoe-name)# fcf-priority 128Dell(config-fcoe-name)# fka-adv-period 85. Enable an upstream FC port:Dell(c

Te 0/1 Up 10000 Mbit Full 1-4094Te 0/2 Down Auto Auto 1-1001,1003-4094Te 0/3 Up 10000

Fcf Priority 128Config-State ACTIVEOper-State UPMembersFc 0/9Te 0/11 Te 0/12Table 23. show fcoe-map Field DescriptionsField Descri

Table 24. show qos dcb-map Field DescriptionsField DescriptionState Complete: All mandatory DCB parameters are correctly configured. In progress: The

Field DescriptionFabric-Map Name of the FCoE map containing the FCoE/FC configuration parameters for the server CNA-fabric connection.Login Method Met

Field DescriptionFCF MAC Fibre Channel forwarder MAC: MAC address of Aggregator with the FCF interface.Fabric Intf Fabric-facing Aggregator with the F

22Upgrade ProceduresTo find the upgrade procedures, go to the Dell Networking OS Release Notes for your system type to see all the requirements needed

23Debugging and DiagnosticsThis chapter contains the following sections:.• Debugging Aggregator Operation• Software Show Commands• Offline Diagnostics

0/5(Up) Te 0/6(Dwn) Te 0/7(Dwn) Te 0/8(Up) 2. Verify that the downstream port channel in the top-of-rack switch that connect

U 1T 2-4094Native VlanId: 12. Assign the port to a specified group of VLANs (vlan tagged command) and re-display the port mode status..

4Data Center Bridging (DCB)On an I/O Aggregator, data center bridging (DCB) features are auto-configured in standalone mode. You can display informati

12 Ten GigabitEthernet/IEEE 802.3 interface(s)Dell#Offline DiagnosticsThe offline diagnostics test suite is useful for isolating faults and debugging

Please make sure that stacking/fanout not configured for Diagnostics execution.Also reboot/online command is necessary for normal operation after the

flash: 2143281152 bytes total (2069291008 bytes free)Using the Show Hardware CommandsThe show hardware command tree consists of commands used with the

This view helps identifying the stack unit/port pipe/port that may experience internal drops.• View the input and output statistics for a stack-port i

SFP+ 9 BR Nominal = 0x67SFP+ 9 Length(SFM) Km = 0x00SFP+ 9 Length(OM3) 2m = 0x00SFP+ 9 Length(OM2) 1m = 0x

3. After the software has determined that the temperature levels are within normal limits, you can re-power the card safely. To bring back the line ca

OID String OID Name Description.1.3.6.1.4.1.6027.3.10.1.2.5.1.7 chSysPortXfpRecvTemp OID displays the temperature of the connected optics.NOTE: These

manager does not reallocate the buffer to an adjacent congested interface, which means that in some cases, memory is under-used.• Dynamic buffer — thi

Deciding to Tune BuffersDell Networking recommends exercising caution when configuring any non-default buffer settings, as tuning can significantly af

%S50N:0 %DIFFSERV-2-DSA_DEVICE_BUFFER_UNAVAILABLE: Unable to allocate dedicated buffers for stack-unit 0, port pipe 0, egress port 25 due to unavailab

NOTE: In Dell Networking OS version 9.4.0.x, only the PFC, ETS, and DCBx features are supported in data center bridging.Priority-Based Flow ControlIn

5 3.00 2566 3.00 2567 3.00 256Example of Viewing the Buffer Profile (Linecard)Dell#show buffer-p

buffer-profile global [1Q|4Q]Sample Buffer Profile ConfigurationThe two general types of network environments are sustained data transfers and voice/d

Displaying Drop CountersTo display drop counters, use the following commands.• Identify which stack unit, port pipe, and port is experiencing internal

--- Egress FORWARD PROCESSOR Drops ---IPv4 L3UC Aged & Drops : 0TTL Threshold Drops : 0INVALID VLAN CNTR Drops : 0L2MC Drops

The show hardware stack-unit cpu party-bus statistics command displays input and output statistics on the party bus, which carries inter-process commu

Rx VLAN Drops : 0--- Ingress MAC counters---Ingress FCSDrops : 0Ingress MTUExceeds : 0--- MMU Drops ---HOL DROPS

Power-cycling the unit(s)...286Debugging and Diagnostics

24Standards ComplianceThis chapter describes standards compliance for Dell Networking products.NOTE: Unless noted, when a standard cited here is liste

General Internet ProtocolsThe following table lists the Dell Networking OS support per platform for general internet protocols.Table 30. General Inter

Network ManagementThe following table lists the Dell Networking OS support per platform for network management protocol.Table 32. Network ManagementRF

• By default, PFC is enabled on an interface with no dot1p priorities configured. You can configure the PFC priorities if the switch negotiates with a

RFC# Full Name2579 Textual Conventions for SMIv22580 Conformance Statements for SMIv22618 RADIUS Authentication Client MIB, except the following four

RFC# Full NameIEEE 802.1AB The LLDP Management Information Base extension module for IEEE 802.1 organizationally defined discovery information. (LLDP

https://www.force10networks.com/csportal20/MIBs/MIB_OIDs.aspxSome pages of iSupport require a login. To request an iSupport account, go to:https://www

Contents1 About this Guide...13Audience...

Either strict-priority or bandwidth percentage can be set for ETS on the priority group.PFC can either be enabled or disabled for the priority group.3

• You can enable link-level flow control on the interface. To delete the dcb-map, first disable link-level flow control. PFC is then automatically ena

Figure 2. Enhanced Transmission SelectionThe following table lists the traffic groupings ETS uses to select multiprotocol traffic for transmission.Tab

– ETS shaping– (Credit-based shaping is not supported)• ETS uses the DCB MIB IEEE 802.1azd2.5.Configuring Enhanced Transmission SelectionETS provides

Data Center Bridging in a Traffic FlowThe following figure shows how DCB handles a traffic flow on an interface.Figure 3. DCB PFC and ETS Traffic Hand

When DCB is Disabled (Default) By default, Aggregator interfaces operate with DCB disabled and link-level flow control enabled. When an interface come

Lossless traffic is not guaranteed when it is transmitted on a PFC-enabled port and received on a link-level flow control-enabled port, or transmitted

NOTE: Dell Networking does not recommend mapping all ingress traffic to a single queue when using PFC and ETS. However, Dell Networking does recommend

number (2) of lossless queues supported globally on the switch. In this case, all PFC configurations received from PFC-enabled peers are removed and r

– ETS is enabled by default with the default ETS configuration applied (all dot1p priorities in the same group with equal bandwidth allocation).ETS Op

Priority-Based Flow Control...28Configurin

DCBx OperationDCBx performs the following operations:• Discovers DCB configuration (such as PFC and ETS) in a peer device.• Detects DCB mis-configurat

When an auto-downstream port receives and overwrites its configuration with internally propagated information, one of the following actions is taken:•

values for the configurations to be compatible. For example, ETS uses an asymmetric exchange of parameters between DCBx peers.Symmetric DCB parameters

Auto-Detection of the DCBx VersionThe Aggregator operates in auto-detection mode so that a DCBX port automatically detects the DCBX version on a peer

Figure 4. DCBx Sample TopologyDCBX Prerequisites and RestrictionsThe following prerequisites and restrictions apply when you configure DCBx operation

• The CIN version of DCBx supports only PFC, ETS, and FCOE; it does not support iSCSI, backward congestion management (BCN), logical link down (LLD),

Verifying the DCB ConfigurationTo display DCB configurations, use the following show commands.Table 3. Displaying DCB ConfigurationsCommand Outputshow

6 0 0 07 0 0 0Example of the show interfaces pfc summary CommandDell# show interfa

Fields Descriptionis on, PFC advertisements are enabled to be sent and received from peers; received PFC configuration takes effect. The admin operati

Fields DescriptionApplication Priority TLV: Local ISCSI Priority Map Priority bitmap used by local DCBx port in ISCSI advertisements in application pr

FIP Snooping on Ethernet Bridges...70How FIP Snoopi

-------------------Remote is disabledLocal Parameters :------------------Local is enabledTC-grp Priority# Bandwidth TSA0 0,1,2,3

4 0% ETS5 0% ETS6 0% ETS7

Field Description• Internally propagated: ETS configuration parameters were received from configuration source.ETS DCBx Oper status Operational status

Admin Parameters:--------------------Admin is enabledTC-grp Priority# Bandwidth TSA------------------------------------------------0

----------------- DCBX Operational Version is 0 DCBX Max Version Supported is 0 Sequence Number: 2 Acknowledgment Number: 2 Protocol State: In-Sy

Field DescriptionLocal DCBx TLVs Transmitted Transmission status (enabled or disabled) of advertised DCB TLVs (see TLV code at the top of the show com

Hierarchical Scheduling in ETS Output PoliciesETS supports up to three levels of hierarchical scheduling.For example, you can apply ETS output policie

Reason DescriptionLLDP Rx/Tx is disabledLLDP is disabled (Admin Mode set to rx or tx only) globally or on the interface.Waiting for Peer Waiting for p

Reason Description• Total bandwidth assigned to priorities in one or more priority groups is not equal to 100%.Or one of the following ETS failure err

5Dynamic Host Configuration Protocol (DHCP)The Aggregator is auto-configured to operate as a DHCP client. The DHCP server, DHCP relay agent, and secur

Displaying VLAN Membership... 98Adding an Interface

DHCPDECLINE A client sends this message to the server in response to a DHCPACK if the configuration parameters are unacceptable; for example, if the o

Dell Networking OS Behavior: DHCP is implemented in Dell Networking OS based on RFC 2131 and 3046.Debugging DHCP Client OperationTo enable debug messa

1w2d23h: %STKUNIT0-M:CP %DHCLIENT-5-DHCLIENT-LOG: DHCLIENT_DBG_EVT: Interface Ma 0/0 :Transitioned to state START1w2d23h: %STKUNIT0-M:CP %DHCLIENT-5-D

Dell# renew dhcp interface tengigabitethernet 0/1Dell#May 27 15:55:28: %STKUNIT0-M:CP %DHCLIENT-5-DHCLIENT-LOG: DHCLIENT_DBG_EVT: Interface Ma 0/0 :DH

address remains in the running configuration for the interface. To acquire a new IP address, enter either the renew dhcp command at the EXEC privilege

DHCP Packet Format and OptionsDHCP uses the user datagram protocol (UDP) as its transport protocol.The server listens on port 67 and transmits to port

Option Number and Description• 5: DHCPACK• 6: DHCPNACK• 7: DHCPRELEASE• 8: DHCPINFORMParameter Request ListOption 55Clients use this option to tell th

• Insert Option 82 into DHCP packets.CONFIGURATION modeint ma 0/0ip add dhcp relay information-option remote-idFor routers between the relay agent and

DHCPREQUEST 0DHCPDECLINE 0DHCPRELEASE 0DHCPREBIND 0DHCPRENEW 0DHCPI

6FIP SnoopingFIP snooping is auto-configured on an Aggregator in standalone mode. You can display information on FIP snooping operation and statistics

Creating a Port Channel... 121Adding a Phys

FIP provides a functionality for discovering and logging in to an FCF. After discovering and logging in, FIP allows FCoE traffic to be sent and receiv

transmitted between an FCoE end-device and an FCF. An Ethernet bridge that provides these functions is called a FIP snooping bridge (FSB).On a FIP sno

Figure 8. FIP Snooping on an AggregatorThe following sections describes how to configure the FIP snooping feature on a switch that functions as a FIP

FIP Snooping on VLANsFIP snooping is enabled globally on an Aggregator on all VLANs:• FIP frames are allowed to pass through the switch on the enabled

– Each FIP snooping port is auto-configured to operate in Hybrid mode so that it accepts both tagged and untagged VLAN frames.– Tagged VLAN membership

By default, a port is configured for bridge-to-ENode links.5. Configure the port for bridge-to-FCF links.INTERFACE or CONFIGURATION modefip-snooping p

interface port-channel port-channel-number] show fip-snooping systemDisplay information on the status of FIP snooping on the switch (enabled or disabl

show fip-snooping enode Command ExampleDell# show fip-snooping enodeEnode MAC Enode Interface FCF MAC VLAN

FC-ID Fibre Channel session ID assigned by the FCF.show fip-snooping statistics (VLAN and port) Command ExampleDell# show fip-snooping statistics inte

Number of VN Port Keep Alive :0Number of Multicast Discovery Advertisement :4451Number of Unicast Discovery Adv

14 Security...157Understanding Banner Settin

Number of FDISC Rejects Number of FIP FDISC reject frames received on the interface.Number of FLOGO Accepts Number of FIP FLOGO accept frames received

FIP Snooping ExampleThe following figure shows an Aggregator used as a FIP snooping bridge for FCoE traffic between an ENode (server blade) and an FCF

Debugging FIP Snooping To enable debug messages for FIP snooping events, enter the debug fip-snooping command..Task Command Command ModeEnable FIP sno

7IGMP OverviewIGMP has three versions. Version 3 obsoletes and is backwards-compatible with version 2; version 2 obsoletes version 1.Internet Group Ma

Figure 10. IGMP Version 2 Packet FormatJoining a Multicast GroupThere are two ways that a host may join a multicast group: it may respond to a general

• To enable filtering, routers must keep track of more state information, that is, the list of sources that must be filtered. An additional query type

• The host’s third message indicates that it is only interested in traffic from sources 10.11.1.1 and 10.11.1.2. Because this request again prevents a

Figure 14. IGMP Membership Queries: Leaving and Staying in GroupsIGMP SnoopingIGMP snooping is auto-configured on an Aggregator.Multicast packets are

Displaying IGMP InformationCommand Outputshow ip igmp groups [group-address [detail] | detail | interface [group-address [detail]]Displays information

Interface IGMP group join rate limit is not set IGMP snooping is enabled on interface IGMP Snooping query interval is 60 seconds IGMP Snooping qu

16 Stacking...188Configuring a Switch Stack..

8InterfacesThis chapter describes TenGigabit Ethernet interface types, both physical and logical, and how to configure them with the Dell Networking O

• All interfaces are auto-configured as members of all (4094) VLANs and untagged VLAN 1. All VLANs are up and can send or receive layer 2 traffic. You

0 packets, 0 bytes 0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts 0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte

Disabling and Re-enabling a Physical InterfaceBy default, all port interfaces on an Aggregator are operationally enabled (no shutdown) to send and rec

advertise management-tlv system-name dcbx port-role auto-downstream no shutdownDell(conf-if-te-0/1)#To view the interfaces in Layer 2 mode, use the

Slot range: 0-0To configure an IP address on a management interface, use either of the following commands in MANAGEMENT INTERFACE mode:Command Syntax

VLAN MembershipA virtual LAN (VLANs) is a logical broadcast domain or logical grouping of interfaces in a LAN in which all data received is kept local

interface level to filter traffic. When you enable tagging, a tag header is added to the frame after the destination and source MAC addresses. The inf

Command Syntax Command Mode Purposevlan untagged {vlan-id} INTERFACE Add the interface as an untagged member of one or more VLANs, where:vlan-id speci

vlan tagged 2-4!port-channel-protocol LACPport-channel 1 mode active!protocol lldpadvertise management-tlv system-namedcbx port-role auto-downstreamno