Dell PowerEdge M IO Aggregator User Manual

Dell PowerEdge Configuration Guide for the M I/O Aggregator9.5(0.1)

How Uplink Failure Detection Works... 214UFD and NIC Teami

vlan-id specifies a tagged VLAN number. Range: 2-4094To reconfigure an interface as a member of only specified untagged VLANs, enter the vlan untagged

Adding an Interface to a Tagged VLANThe following example shows you how to add a tagged interface (Tel/7) to a VLAN (VLAN 2).Enter the vlan tagged com

T Te 0/1-15,17-32Dell#Port Channel InterfacesOn an Aggregator, port channels are auto-configured

Member ports of a LAG are added and programmed into hardware in a predictable order based on the port ID, instead of in the order in which the ports c

Displaying Port Channel InformationTo view the port channel’s status and channel members in a tabular format, use the show interfaces port-channel bri

DHCP Client-ID :lag128001ec9f10358MTU 12000 bytes, IP MTU 11982 bytesLineSpeed 10000 MbitMembers in this channel: Te 1/49(U)ARP type: ARPA, ARP Timeo

• CommasCreate a Single-RangeCreating a Single-Range Bulk ConfigurationDell(conf)# interface range tengigabitethernet 0/1 - 23Dell(conf-if-range-te-0/

Monitor and Maintain InterfacesYou can display interface statistics with the monitor interface command. This command displays an ongoing list of the i

m - Change mode c - Clear screen l - Page up a - Page down T - Increase r

a temporary stop in data transmission. A situation may arise where a sending device may transmit data faster than a destination device can accept it.

Viewing the LLDP Configuration... 241Viewing Information

Port Channels:• All members must have the same link MTU value and the same IP MTU value.• The port channel link MTU and IP MTU must be less than or eq

4.Access the port. interface interface slot/port CONFIGURATION5.Set the local port speed. speed {100 | 1000 | 10000 | auto} INTERFACE6.Optionally, set

Setting Auto-Negotiation OptionsThe negotiation auto command provides a mode option for configuring an individual port to forced master/forced slave a

be thrown?) duplex half interface-config modeSupported CLI not availableCLI not available Invalid Input error- CLI not availableduplex full interface-

Name: TenGigabitEthernet 13/1802.1QTagged: TrueVlan membership:Vlan 2Name: TenGigabitEthernet 13/2802.1QTagged: TrueVlan membership:Vlan 2Name:

Enabling the Management Address TLV on All Interfaces of an AggregatorThe management address TLV, which is an optional TLV of type 8, denotes the netw

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

• iSCSI QoS — A user-configured iSCSI class of service (CoS) profile is applied to all iSCSI traffic. Classifier rules are used to direct the iSCSI da

Information Monitored in iSCSI Traffic FlowsiSCSI optimization examines the following data in packets and uses the data to track the session and creat

• iSCSI LLDP monitoring starts to automatically detect EqualLogic arrays.iSCSI optimization requires LLDP to be enabled. LLDP is enabled by default wh

Auto Save on Crash or Rollover... 292Using the Show Hard

-----------------------------------------------------------------------------------------Target: iqn.2001-05.com.equallogic:0-8a0906-0f60c2002-0360018

10Isolated Networks for AggregatorsAn Isolated Network is an environment in which servers can only communicate with the uplink interfaces and not with

11Link AggregationUnlike IOA Automated modes (Standalone and VLT modes), the IOA Programmable MUX (PMUX) can support multiple uplink LAGs. You can pro

Uplink LAGWhen the Aggregator power is on, all uplink ports are configured in a single LAG (LAG 128).Server-Facing LAGsServer-facing ports are configu

LACP ExampleThe below illustration shows how the LACP operates in an Aggregator stack by auto-configuring the uplink LAG 128 for the connection to a t

Link Aggregation Control Protocol (LACP)This chapter contains commands for Dell Networks’s implementation of the link aggregation control protocol (LA

You can add any physical interface to a port channel if the interface configuration is minimal. You can configure only the following commands on an in

Hardware address is 00:01:e8:01:46:faInternet address is 1.1.120.1/24MTU 1554 bytes, IP MTU 1500 bytesLineSpeed 2000 MbitMembers in this channel: Gi 9

To reassign an interface to a new port channel, use the following commands.1. Remove the interface from the first port channel.INTERFACE PORT-CHANNEL

Configuring VLAN Tags for Member InterfacesTo configure and verify VLAN tags for individual members of a port channel, perform the following:1. Config

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

Configuring the Minimum Number of Links to be Up for Uplink LAGs to be ActiveYou can activate the LAG bundle for uplink interfaces or ports (the uplin

Output 00.00 Mbits/sec, 0 packets/sec, 0.00% of line-rateTime since last interface status change: 05:22:28Optimizing Traffic Disruption

Monitoring the Member Links of a LAG BundleYou can examine and view the operating efficiency and the traffic-handling capacity of member interfaces of

Verifying LACP Operation and LAG ConfigurationTo verify the operational status and configuration of a dynamically created LAG, and LACP operation on a

O - Receiver is in expired state, P - Receiver is not in expired statePort Te 0/41 is enabled, LACP is enabled and mode is lacpPort State: Bundle Act

Port Te 0/51 is disabled, LACP is disabled and mode is lacpPort State: Bundle Actor Admin: State ADEHJLMP Key 128 Priority 32768 Oper: St

135 packets, 19315 bytes, 0 underruns 0 64-byte pkts, 79 over 64-byte pkts, 32 over 127-byte pkts 24 over 255-byte pkts, 0 over 511-byte

12Layer 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 18. Redundant NOCs with NIC TeamingMAC Address Station MoveWhen you use NIC teaming, consider that the server MAC address is originally learned

Related DocumentsFor more information about the Dell PowerEdge M I/O Aggregator MXL 10/40GbE Switch IO Module, refer to the following documents:• Dell

Figure 19. MAC Address Station MoveMAC Move OptimizationStation-move detection takes 5000ms because this is the interval at which the detection algori

13Link Layer Discovery Protocol (LLDP)Link layer discovery protocol (LLDP) advertises connectivity and management from the local station to the adjace

Figure 20. Type, Length, Value (TLV) SegmentTLVs are encapsulated in a frame called an LLDP data unit (LLDPDU), which is transmitted from one LLDP-ena

Figure 21. LLDPDU FrameOptional TLVsThe Dell Networking Operating System (OS) supports the following optional TLVs: Management TLVs, IEEE 802.1 and 80

• LLDP is not hitless.Viewing the LLDP ConfigurationTo view the LLDP configuration, use the following command.• Display the LLDP configuration.CONFIGU

Te 0/2 - 00:00:c9:b1:3b:82 00:00:c9:b1:3b:82Te 0/3 - 00:00:c9:ad:f6:12 00:00:c9:ad:f6:12Dell#show lldp neighbors d

Command Syntax Command Mode Purposeclear lldp counters [interface] EXEC Privilege Clear counters for LLDP frames sent to and received from neighboring

Relevant Management ObjectsDell Networkings OS supports all IEEE 802.1AB MIB objects.The following tables list the objects associated with:• received

MIB Object CategoryLLDP Variable LLDP MIB Object DescriptionstatsFramesInTotal lldpStatsRxPortFramesTotal Total number of LLDP frames received through

TLV Type TLV Name TLV Variable System LLDP MIB Object8 Management Addressenabled capabilities Local lldpLocSysCapEnabledRemote lldpRemSysCapEnabledman

2Before You StartTo install the Aggregator in a Dell PowerEdge M1000e Enclosure, use the instructions in the Dell PowerEdge M I/O Aggregator Getting S

TLV Type TLV Name TLV Variable System LLDP MIB ObjectPPVID Local lldpXdot1LocProtoVlanIdRemote lldpXdot1RemProtoVlanId127 VLAN Name VID Local lldpXdot

TLV Sub-Type TLV Name TLV Variable System LLDP-MED MIB ObjectTagged Flag Local lldpXMedLocMediaPolicyTaggedRemote lldpXMedLocMediaPolicyTaggedVLAN ID

TLV Sub-Type TLV Name TLV Variable System LLDP-MED MIB ObjectlldpXMedLocXPoEPSEPortPDPriorityRemotelldpXMedRemXPoEPSEPowerPrioritylldpXMedRemXPoEPDPow

14Port MonitoringThe Aggregator supports user-configured port monitoring. See Configuring Port Monitoring for the configuration commands to use.Port m

In the following example, the host and server are exchanging traffic which passes through the uplink interface 1/1. Port 1/1 is the monitored port and

SessionID Source Destination Direction Mode Type--------- ------ ----------- --------- ---- ---- 1 TenG

15Security for M I/O AggregatorSecurity features are supported on the M I/O Aggregator.This chapter describes several ways to provide access security

AAA AuthenticationDell Networking OS supports a distributed client/server system implemented through authentication, authorization, and accounting (AA

way, and does so to ensure that users are not locked out of the system if network-wide issue prevents access to these servers.1. Define an authenticat

Enabling AAA Authentication — RADIUSTo enable authentication from the RADIUS server, and use TACACS as a backup, use the following commands.1. Enable

Default SettingsThe I/O Aggregator provides zero-touch configuration with the following default configuration settings:• default user name (root)• pas

the RADIUS server and requests authentication of the user and password. The RADIUS server returns one of the following responses:• Access-Accept — the

Defining a AAA Method List to be Used for RADIUSTo configure RADIUS to authenticate or authorize users on the system, create a AAA method list.Default

– auth-port port-number: the range is from 0 to 65335. Enter a UDP port number. The default is 1812.– retransmit retries: the range is from 0 to 100.

– retries: the range is from 0 to 100. Default is 3 retries.• Configure the time interval the system waits for a RADIUS server host response.CONFIGURA

Use this command multiple times to configure multiple TACACS+ server hosts.2. Enter a text string (up to 16 characters long) as the name of the method

on vty0 (10.11.9.209)%RPM0-P:CP %SEC-3-AUTHENTICATION_ENABLE_SUCCESS: Enable passwordauthentication success on vty0 ( 10.11.9.209 )AAA AccountingAccou

Configuring Accounting of EXEC and Privilege-Level Command UsageThe network access server monitors the accounting functions defined in the TACACS+ att

Task ID 1, EXEC Accounting record, 00:00:39 Elapsed, service=shellActive accounted actions on tty3, User admin Priv 1 Task ID 2, EXEC Accounting re

To view the TACACS+ configuration, use the show running-config tacacs+ command in EXEC Privilege mode.To delete a TACACS+ server host, use the no taca

Dell(conf)#ip ssh server version 2Dell(conf)#do show ip sshSSH server : disabled.SSH server version : v2.Password Authentication

• Internet small computer system interface (iSCSI)optimization.• Internet group management protocol (IGMP) snooping.• Jumbo frames: Ports are set to a

• show crypto: display the public part of the SSH host-keys.• show ip ssh client-pub-keys: display the client public keys used in host-based authentic

Dell#sh ip sshSSH server : enabled.Password Authentication : enabled.Hostbased Authentication : disabled.RSA Authentication : dis

CONFIGURATION mode or EXEC Privilege modeno ip ssh password-authentication or no ip ssh rsa-authentication6. Enable host-based authentication.CONFIGUR

-p SSH server port option (default 22)-v SSH protocol versionTroubleshooting SSHTo troubleshoot SSH, use the following information.You may not bin

• VTY Line Local Authentication and Authorization• VTY Line Remote Authentication and AuthorizationVTY Line Local Authentication and AuthorizationDell

Example of Configuring VTY Authorization Based on Access Class Retrieved from the Line (Per Network Address)Dell(conf)#ip access-list standard deny10D

16Simple 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

• 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

An aggregator also detects iSCSI storage devices on all interfaces and autoconfigures to optimize performance. Performance optimization operations are

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

SNMPv2-SMI::mib-2.47.1.1.1.1.2.76 = STRING: "Unit: 1 Port 9 10G Level"SNMPv2-SMI::mib-2.47.1.1.1.1.2.77 = STRING: "Unit: 1 Port 10 10G

• An additional 1 byte is reserved for future.Fetching the Switchport Configuration and the Logical Interface Configuration Important Points to Rememb

SNMP Traps for Link StatusTo enable SNMP traps for link status changes, use the snmp-server enable traps snmp linkdown linkup command.Simple Network M

17StackingAn Aggregator auto-configures to operate in standalone mode. To use an Aggregator in a stack, you must manually configure it using the CLI t

Figure 25. A Two-Aggregator StackStack Management RolesThe stack elects the management units for the stack management.• Stack master — primary managem

Server-Facing LAGsThe tagged VLAN membership of a server-facing LAG is automatically configured based on the server-facing ports that are members of t

• Switch failure• Inter-switch stacking link failure• Switch insertion• Switch removalIf the master switch goes off line, the standby replaces it as t

from standby to master. The lack of a standby unit triggers an election within the remaining units for a standby role.After the former master switch r

Stacking Port NumbersBy default, each Aggregator in Standalone mode is numbered stack-unit 0. Stack-unit numbers are assigned to member switches when

Figure 26. Stack Groups on an AggregatorStacking193

Configuring a Switch StackTo configure and bring up a switch stack, follow these steps:1. Connect the 40GbE ports on the base module of two Aggregator

The resulting ring topology allows the entire stack to function as a single switch with resilient fail-over capabilities. If you do not connect the la

Adding a Stack UnitYou can add a new unit to an existing stack both when the unit has no stacking ports (stack groups) configured and when the unit al

EXEC Privilege modereset stack-unit unit-number• Reset a stack-unit when the unit is in a problem state.EXEC Privilege modereset stack-unitunit-number

After you restart the Aggregator, the 4-Port 10 GbE Ethernet modules or the 40GbE QSFP+ port that is split into four 10GbE SFP+ ports cannot be config

------------------------------------------------0 10G 40GVerifying a Stack ConfigurationThe following lists the

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

Current Type : I/O-Aggregator - 34-port GE/TE (XL)Master priority : 0Hardware Rev :Num Ports : 56Up Time : 2 hr, 41 minFTOS Version : 8-3-17-46Jumbo C

5 0/53Dell#Example of the show system stack-ports (ring) CommandDell# show system stack-portsTopology: RingInterface Connection Link Spee

Example of the show redundancy CommandDell#show redundancy-- Stack-unit Status ----------------------------------------------------------Mgmt ID:

0 throttles, 0 discarded, 0 collisions, 0 wredDropsRate info (interval 45 seconds): Input 00.00 Mbits/sec, 0 packets/sec, 0.00% of line-rate Ou

The following is an example of the stack-link flapping error message.--------------------------------------MANAGMENT UNIT-----------------------------

4 Member not present5 Member not presentStack Unit in Card-Problem State Due to Configuration Mismatch• Problem: A stack unit enters a Card-Problem

...

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Image upgraded to Stack un

18Broadcast Storm ControlOn the Aggregator, the broadcast storm control feature is enabled by default on all ports, and disabled on a port when an iSC

19System Time and DateThe Aggregator auto-configures the hardware and software clocks with the current time and date. If necessary, you can manually s

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

• 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

20Uplink 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.Configuring Uplink Failure Detection (PMUX mode)To configure UFD, us

The default is auto-recovery of UFD-disabled downstream ports is enabled.To disable auto-recovery, use the no downstream auto-recover command.5. Speci

clear ufd-disable {interface interface | uplink-state-group group-id}: re-enables all UFD-disabled downstream interfaces in the group. The range is fr

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

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

Downstream Interfaces :Uplink State Group : 3 Status: Enabled, UpUpstream Interfaces : Tengig 0/46(Up) Tengig 0/47(Up)Downstream Interfaces : Te

Dell(conf-uplink-state-group-16)# show configuration!uplink-state-group 16no enabledescription testdownstream disable links alldownstream TengigabitEt

Upstream Interfaces : Te 0/3(Up) Te 0/4(Up)Downstream Interfaces : Te 0/1(Up) Te 0/2(Up) Te 0/5(Up) Te 0/9(Up) Te 0/11(Up) Te

21PMUX Mode of the IO AggregatorThis chapter describes the various configurations applicable in PMUX mode.IntroductionThis document provides configura

Dell#show system stack-unit 0 iom-modeUnit Boot-Mode Next-Boot------------------------------------------------0 standalone standaloneDell#2. Change IO

Multiple Uplink LAGs with 10G Member PortsThe following sample commands configure multiple dynamic uplink LAGs with 10G member ports based on LACP.1.

x - Dot1x untagged, X - Dot1x tagged o - OpenFlow untagged, O - OpenFlow tagged G - GVRP tagged, M - Vlan-stack, H - VSN tagged i - Internal

Te 0/53 Te 0/54 Te 0/55 Te 0/56 obsolete after a save and reload.[confirm yes/no]:yesPlease save and reset unit 0 for the changes to take effect.Dell(

6. Show the VLAN status.Dell#show vlanCodes: * - Default VLAN, G - GVRP VLANs, R - Remote Port Mirroring VLANs, P - Primary, C - Community, I - Isolat

Dell(conf)#Undoing CommandsWhen you enter a command, the command line is added to the running configuration file (running-config).To disable a command

Virtual Link Trunking (VLT) in PMUX ModeVLT allows the physical links between two devices (known as VLT nodes or peers) within a VLT domain to be cons

Multicast peer-routing timeout: 150 secondsDell#5. Configure the secondary VLT.NOTE: Repeat steps from 1 through 4 on the secondary VLT, ensuring yo

11 Active T Po128(Te 0/41-42) T Te 0/1 12 Active T Po128(Te 0/41-42)

-- Stack Info --Unit UnitType Status ReqTyp CurTyp Version Ports---------------------------------------------------------0 Management onli

Creating a DCB MapConfigure the priority-based flow control (PFC) and enhanced traffic selection (ETS) settings in a DCB map before you can apply them

Apply the DCB map on an Ethernet port. Repeat this step to apply a DCB map to more than one port.dcb-map nameINTERFACECreating an FCoE VLANCreate a de

is from 0 to 128. The default is 128.Enable the monitoring FIP keepalive messages (if it is disabled) to detect if other FCoE devices are reachable. T

You can apply a DCB or FCoE map to a range of Ethernet or Fibre Channel interfaces by using the interface range command; for example:Dell(config)# int

show fcoe-map [brief | map-name]Displays the FC and FCoE configuration parameters in FCoE maps.show qos dcb-map map-nameDisplays the configuration par

• INTERFACE level configurations override all CONFIGURATION level configurations.• LLDP is not hitless.LLDP Compatibility• Spanning tree and force10 r

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

protocol lldp2. Enable LLDP.PROTOCOL LLDP modeno disableDisabling and Undoing LLDPTo disable or undo LLDP, use the following command.• Disable LLDP gl

– video-signaling– voice– voice-signalingIn the following example, LLDP is enabled globally. R1 and R2 are transmitting periodic LLDPDUs that contain

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

========================================================================Configuring LLDPDU IntervalsLLDPDUs are transmitted periodically; the default

no disableR1(conf-lldp)#multiplier ?<2-10> Multiplier (default=4)R1(conf-lldp)#multiplier 5R1(conf-lldp)#show config!protocol lldp

Figure 30. The debug lldp detail Command — LLDPDU Packet DissectionVirtual Link Trunking (VLT)VLT allows physical links between two chassis to appear

NOTE: When you launch the VLT link, the VLT peer-ship is not established if any of the following is TRUE:• The VLT System-MAC configured on both the V

upstream network. L2/L3 control plane protocols and system management features function normally in VLT mode. Features such as VRRP and internet group

– ARP tables are synchronized between the VLT peer nodes.– VLT peer switches operate as separate chassis with independent control and data planes for

– If the link between the VLT peer switches is established, changing the VLT system MAC address or the VLT unit-id causes the link between the VLT pee

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

– In a VLT domain, the following software features are supported on VLT physical ports: 802.1p, LLDP, flow control, port monitoring, and jumbo frames.

When the bandwidth usage drops below the 80% threshold, the system generates another syslog message (shown in the following message) and an SNMP trap.

Non-VLT ARP SyncIn the Dell Networking OS version 9.2(0.0), ARP entries (including ND entries) learned on other ports are synced with the VLT peer to

show interfaces interface– interface: specify one of the following interface types:* Fast Ethernet: enter fastethernet slot/port.* 1-Gigabit Ethernet:

ICL Link Status: Up HeartBeat Status: Up VLT Peer Status: Up Local Unit Id: 1 Version:

Dell_VLTpeer2# show running-config vlt!vlt domain 30 peer-link port-channel 60 back-up destination 10.11.200.20Example of the show vlt statistics Co

Configure the port channel to an attached device.Dell_VLTpeer1(conf)#interface port-channel 110Dell_VLTpeer1(conf-if-po-110)#no ip addressDell_VLTpeer

Verify that the port channels used in the VLT domain are assigned to the same VLAN.Dell_VLTpeer2# show vlan id 10Codes: * - Default VLAN, G - GVRP VLA

Description Behavior at Peer Up Behavior During Run TimeAction to TakeRemote VLT port channel statusN/A N/A Use the show vlt detail and show vlt brief

22FC Flex IO ModulesThis part provides a generic, broad-level description of the operations, capabilities, and configuration commands of the Fiber Cha

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

slots of the MXL 10/40GbE Switch and it provides four FC ports per module. If you insert only one FC Flex IO module, four ports are supported; if you

FC Flex IO Module Capabilities and OperationsThe FC Flex IO module has the following characteristics:• You can install one or two FC Flex IO modules o

• With both FC Flex IO modules present in the MXL or I/O Aggregator switches, the power supply requirement and maximum thermal output are the same as

• On I/O Aggregators, uplink failure detection (UFD) is disabled if FC Flex IO module is present to allow server ports to communicate with the FC fabr

the FCoE frames. The module directly switches any non-FCoE or non-FIP traffic, and only FCoE frames are processed and transmitted out of the Ethernet

Installing and Configuring Flowchart for FC Flex IO ModulesFC Flex IO Modules265

To see if a switch is running the latest Dell Networking OS version, use the show version command. To download a Dell Networking OS version, go to htt

Interconnectivity of FC Flex IO Modules with Cisco MDS SwitchesIn a network topology that contains Cisco MDS switches, FC Flex IO modules that are plu

Figure 31. Case 1: Deployment Scenario of Configuring FC Flex IO ModulesFigure 32. Case 2: Deployment Scenario of Configuring FC Flex IO ModulesFibre

Ethernet local area network (LAN) (IP cloud) for data — as well as FC links to one or more storage area network (SAN) fabrics.FCoE works with the Ethe

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

switches. This results in an increase in the required domain IDs, which may surpass the upper limit of 239 domain IDs supported in the SAN network. An

NPIV Proxy Gateway: Protocol ServicesAn MXL 10/40GbE Switch and M I/O Aggregator with the FC Flex IO module NPG provides the following protocol servic

Term DescriptionCNA port N-port functionality on an FCoE-enabled server port. A converged network adapter (CNA) can use one or more Ethernet ports. CN

FCoE MapsAn FCoE map is used to identify the SAN fabric to which FCoE storage traffic is sent. Using an FCoE map, an MXL 10/40GbE Switch and M I/O Agg

4. Creating an FCoE VLAN5. Creating an FCoE map6. Applying an FCoE map on server-facing Ethernet ports7. Applying an FCoE Map on fabric-facing FC port

Step Task Command Command Mode3Specify the priority group ID number to handle VLAN traffic for each dot1p class-of-service: 0 through 7. Leave a space

Step Task Command Command ModeDell# interface tengigabitEthernet 0/0 Dell(config-if-te-0/0)# dcb-map SAN_DCB1Repeat this step to apply a DCB map to mo

and VLAN ID numbers must be the same. Fabric and VLAN ID range: 2-4094.For example: fabric id 10 vlan 103Add a text description of the settings in the

Step Task Command Command Modeslot/port | port-channel num} 2Apply the FCoE/FC configuration in an FCoE map on the Ethernet port. Repeat this step to

Dell(config)# interface range tengigabitEthernet 1/12 - 23 , tengigabitEthernet 2/24 - 35Dell(config)# interface range fibrechannel 0/0 - 3 , fibrecha

• Data Center Bridging Exchange (DCBx) protocolNOTE: In Dell Networking OS version 9.4.0.x, only the PFC, ETS, and DCBx features are supported in data

6. Enable a downstream Ethernet port:Dell(config)#interface tengigabitEthernet 0/0 Dell(conf-if-te-0)# no shutdownDisplaying NPIV Proxy Gateway Inform

Fc 0/10 Down Auto Auto --Fc 0/11 Down Auto Auto --Te 1/12 Down Auto Auto --Te 1/1

Fcf Priority 128Config-State ACTIVEOper-State UPMembersFc 0/0Te 0/14 Te 0/16Table 20. show fcoe-map Field DescriptionsField Descri

Table 21. 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 MXL 10/40GbE Switch or M I/O Aggregator with the FC Flex IO module FCF interface.

23Upgrade ProceduresTo find the upgrade procedures, go to the Dell Networking OS Release Notes for your system type to see all the requirements needed

24Debugging 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) Te 0/9(Up) Te 0/10(Up) Te 0/11(Dwn) Te 0/12(Dwn) Te 0/13(Up

x - Dot1x untagged, X - Dot1x tagged G - GVRP tagged, M - Trunk, H - VSN tagged i - Internal untagged, I - Internal tagged, v -

• 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

Copyright (c) 1999-2014 by Dell Inc. All Rights Reserved.Build Time: Thu Jul 5 11:20:28 PDT 2012Build Path: /sites/sjc/work/build/buildSpaces/build05/

Offline DiagnosticsThe offline diagnostics test suite is useful for isolating faults and debugging hardware.The diagnostics tests are grouped into thr

the unit will be operationally down, except for running Diagnostics.Please make sure that stacking/fanout not configured for Diagnostics execution.Als

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 49 BR Nominal = 0x0cSFP 49 Length(9um) Km = 0x00SFP 49 Length(9um) 100m = 0x00SFP 49 Length(50um) 10m = 0x37SFP 49 Length(62.5um)

When the system detects a genuine over-temperature condition, it powers off the card. To recognize this condition, look for the following system messa

Recognize an Under-Voltage ConditionIf the system detects an under-voltage condition, it sends an alarm.To recognize this condition, look for the foll

Buffer TuningBuffer tuning allows you to modify the way your switch allocates buffers from its available memory and helps prevent packet drops during

Figure 33. Buffer Tuning PointsDeciding to Tune BuffersDell Networking recommends exercising caution when configuring any non-default buffer settings,

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

The range (in quanta) is from 712 to 65535.The default is 45556 quantum in link delay.3. Configure the CoS traffic to be stopped for the specified del

BUFFER PROFILE modebuffer dedicated• Change the maximum number of dynamic buffers an interface can request.BUFFER PROFILE modebuffer dynamic• Change t

Queue# Dedicated Buffer Buffer Packets (Kilobytes)0 2.50 2561 2.50 2562 2.50 2563 2.

Using a Pre-Defined Buffer ProfileThe Dell Networking OS provides two pre-defined buffer profiles, one for single-queue (for example, non-quality-of-s

!buffer fp-uplink stack-unit 0 port-set 0 buffer-policy fsqueue-higbuffer fp-uplink stack-unit 0 port-set 1 buffer-policy fsqueue-hig!Interface range

Dell#show hardware stack-unit 0 drops unit 0Port# :Ingress Drops :IngMac Drops :Total Mmu Drops :EgMac Drops :EgressDrops1 0 0 0 0 02 0 0 0 0 03 0 0 0

noMbuf :0 noClus :0 recvd :0 dropped :0 recvToNet :0 rxError :0 rxDatapathErr :0 rxPkt(CO

0 runts, 0 giants, 0 throttles 0 CRC, 0 overrun, 0 discardedOutput Statistics: 1649714 packets, 1948622676 bytes, 0 underruns 0 64-byte pkts, 272

--- Ingress MAC counters---Ingress FCSDrops : 0Ingress MTUExceeds : 0--- MMU Drops ---HOL DROPS : 0TxPurge CellE

Power-cycling the unit(s)...308Debugging and Diagnostics

25Standards ComplianceThis chapter describes standards compliance for Dell Networking products.NOTE: Unless noted, when a standard cited here is liste

By applying a DCB input policy with PFC enabled, you enable PFC operation on ingress port traffic. To achieve complete lossless handling of traffic, a

General Internet ProtocolsThe following table lists the Dell Networking OS support per platform for general internet protocols.Table 27. General Inter

RFC# Full Name1519 Classless Inter-Domain Routing (CIDR): an Address Assignment and Aggregation Strategy1542 Clarifications and Extensions for the Boo

RFC# Full Name2571 An Architecture for Describing Simple Network Management Protocol (SNMP) Management Frameworks2572 Message Processing and Dispatchi

RFC# Full Name3418 Management Information Base (MIB) for the Simple Network Management Protocol (SNMP)3434 Remote Monitoring MIB Extensions for High C

RFC# Full NameIEEE 802.1Qaz Management Information Base extension module for IEEE 802.1 organizationally defined discovery information (LDP-EXT-DOT1-D

Although you can configure strict-priority queue scheduling for a priority group, ETS introduces flexibility that allows the bandwidth allocated to ea

other priority groups so that the sum of the bandwidth use is 100%. If priority group bandwidth use exceeds 100%, all configured priority group bandwi

Step Task Command Command Mode1Enter global configuration mode to create a DCB map or edit PFC and ETS settings.dcb-map nameCONFIGURATION2Configure th

ETS settings, and apply the new map to the interfaces to override the previous DCB map settings. Then, delete the original dot1p priority-priority gro

Step Task Command Command ModefortygigabitEthernet slot/port} 2 Enable PFC on specified priorities. Range: 0-7. Default: None.Maximum number of lossle

Step Task Command Command Mode5Apply the DCB map, created to disable the PFC operation, on the interfacedcb-map {name | default}INTERFACE6Configure th

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

To enable DCB with PFC buffers on a switch, enter the following commands, save the configuration, and reboot the system to allow the changes to take e

Configuring Priority-Based Flow Control... 29Enhanced Transmission Se

interface TenGigabitEthernet 0/4 mtu 12000 portmode hybrid switchport auto vlan flowcontrol rx on tx off dcb-map DCB_MAP_PFC_OFF no keepalive! protoco

To reconfigure the Aggregator so that all interfaces come up with DCB disabled and link-level flow control enabled, use the no dcb enable on-next-relo

dot1p Value in the Incoming FrameEgress Queue Assignment2 03 14 25 36 37 3How Priority-Based Flow Control is ImplementedPriority-based flow control pr

ETS is implemented on an Aggregator as follows:• Traffic in priority groups is assigned to strict-queue or WERR scheduling in an ETS output policy and

– In the CEE version, the priority group/traffic class group (TCG) ID 15 represents a non-ETS priority group. Any priority group configured with a sch

DCBx Port RolesThe following DCBX port roles are auto-configured on an Aggregator to propagate DCB configurations learned from peer DCBX devices inter

Default DCBX port role: Uplink ports are auto-configured in an auto-upstream role. Server-facing ports are auto-configured in an auto-downstream role.

– No other port is the configuration source.– The port role is auto-upstream.– The port is enabled with link up and DCBx enabled.– The port has perfor

DCBX ExampleThe following figure shows how DCBX is used on an Aggregator installed in a Dell PowerEdge M I/O Aggregator chassis in which servers are a

DCBX Prerequisites and RestrictionsThe following prerequisites and restrictions apply when you configure DCBx operation on a port:• DCBX requires LLDP

Viewing DHCP Statistics and Lease Information... 696 FIP Snooping...

– tlv: enables traces for DCBx TLVs.Verifying the DCB ConfigurationTo display DCB configurations, use the following show commands.Table 3. Displaying

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: Remote FCOE Priority MapPriority bitmap received from the remote DCBX port in FCoE advertisements in appli

Local Parameters :------------------Local is enabledTC-grp Priority# Bandwidth TSA0 0,1,2,3,4,5,6,7 100% ETS1

7 0% ETSOper status is initETS DCBX Oper status is DownState Machine Type is AsymmetricConf TLV Tx Status is enabl

Field DescriptionETS DCBx Oper status Operational status of ETS configuration on local port: match or mismatch.State Machine Type Type of state machin

2 - -3 - -4 - -5

Peer DCBX Status:---------------- DCBX Operational Version is 0 DCBX Max Version Supported is 255 Sequence Number: 2 Acknowledgment Number: 22 Inp

Field DescriptionLocal DCBx Status: Acknowledgment Number Acknowledgement number transmitted in Control TLVs.Local DCBx Status: Protocol State Current

Configuring a Static Route for a Management Interface...97VLAN Membership...

Priority group 1 Assigns traffic to one priority queue with 20% of the link bandwidth and strict-priority scheduling.Priority group 2 Assigns traffic

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

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

Supported Modes...122How th

DHCPREQUEST 0DHCPDECLINE 0DHCPRELEASE 0DHCPREBIND 0DHCPRENEW 0DHCPINFORM

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

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

• Process FIP VLAN discovery requests and responses, advertisements, solicitations, FLOGI/FDISC requests and responses, FLOGO requests and responses,

Bridge-to-FCF LinksA port directly connected to an FCF is auto-configured in FCF mode. Initially, all FCoE traffic is blocked; only FIP frames are all

Displaying FIP Snooping InformationUse the show commands from the table below, to display information on FIP snooping.Command Outputshow fip-snooping

aa:bb:cc:00:00:00 Te 0/42 aa:bb:cd:00:00:00 Te 0/43 100aa:bb:cc:00:00:00 Te 0/42 aa:bb:cd:00:00:00 Te 0/43 100aa:b

Field DescriptionENode MAC MAC address of the ENode.ENode Interface Slot/ port number of the interface connected to the ENode.FCF MAC MAC address of t

14 Port Monitoring... 153Configuring Port Monitoring...

Number of VN Port Keep Alive :3349Number of Multicast Discovery Advertisement :4437Number of Unicast Discovery

show fip-snooping statistics Command DescriptionField DescriptionNumber of Vlan Requests Number of FIP-snooped VLAN request frames received on the int

Number of VN Port Session TimeoutsNumber of VN port session timeouts that occurred on the interface.Number of Session failures due to Hardware ConfigN

FIP Snooping ExampleThe below illustration shows an Aggregator used as a FIP snooping bridge for FCoE traffic between an ENode (server blade) and an F

The DCBX configuration on the FCF-facing port is detected by the server-facing port and the DCB PFC configuration on both ports is synchronized. For m

7Internet Group Management Protocol (IGMP)On an Aggregator, IGMP snooping is auto-configured. You can display information on IGMP by using show ip igm

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

Fetching the Switchport Configuration and the Logical Interface Configuration ... 186SNMP Traps for Link Status...

Disabling Multicast FloodingIf the switch receives a multicast packet that has an IP address of a group it has not learned (unregistered frame), the s

Source address Uptime Expires1.1.1.2 00:00:21 00:01:48 Member Ports: Po 1Interface Vl

8InterfacesThis chapter describes 100/1000/10000 Mbps Ethernet, 10 Gigabit Ethernet, and 40 Gigabit Ethernet interface types, both physical and logica

– The tagged Virtual Local Area Network (VLAN) membership of the uplink LAG is automatically configured based on the VLAN configuration of all server-

Internet address is not setMode of IP Address Assignment : NONEDHCP Client-ID :tenG2730001e800ab01MTU 12000 bytes, IP MTU 11982 bytesLineSpeed 1000 Mb

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

VLANs and Port TaggingTo add an interface to a VLAN, it must be in Layer 2 mode. After you place an interface in Layer 2 mode, it is automatically pla