Dell PowerEdge M IO Aggregator El manual del propietario

Dell PowerEdge ConfigurationGuide for the M I/O AggregatorOctober 2013

x |www.dell.com | support.dell.comDisplaying Stack Port Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279

90 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comFigure 6-6 shows an example of the packet- and event-level debug message

Dynamic Host Configuration Protocol (DHCP) | 91DHCP Client on a Management Interface The following conditions apply on a management interface that ope

92 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comDHCP Client on a VLANThe following conditions apply on a VLAN that opera

Dynamic Host Configuration Protocol (DHCP) | 93Configure Secure DHCPDHCP as defined by RFC 2131 provides no authentication or security mechanisms. Sec

94 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comDHCP SnoopingDHCP snooping protects networks from spoofing. In the conte

Dynamic Host Configuration Protocol (DHCP) | 95Add a Static Entry in the Binding TableTo add a static entry in the binding table, follow this step:Cle

96 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comTo view the DHCP snooping statistics, use the show ip dhcp snooping comm

Dynamic Host Configuration Protocol (DHCP) | 97To view the number of entries in the table, use the show ip dhcp snooping binding command. This output

98 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.com• denial of service—an attacker can send fraudulent ARP messages to a cl

Dynamic Host Configuration Protocol (DHCP) | 99To see how many valid and invalid ARP packets have been processed, use the show arp inspection statisti

About this Guide | 11About this GuideObjectivesThis guide describes the supported protocols and software features, and provides configuration instruct

100 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comIP Source Address ValidationIP source address validation prevents IP sp

Dynamic Host Configuration Protocol (DHCP) | 101To enable IP+MAC source address validation, follow these steps:FTOS creates an ACL entry for each IP+M

102 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.com

FIP Snooping | 1037FIP SnoopingFIP snooping is auto-configured on an Aggregator in standalone mode. You can display information on FIP snooping operat

104 | FIP Snoopingwww.dell.com | support.dell.comTo ensure similar Fibre Channel robustness and security with FCoE in an Ethernet cloud network, the F

FIP Snooping | 105Figure 7-1. FIP discovery and login between an ENode and an FCF FIP Snooping on Ethernet BridgesIn a converged Ethernet network, int

106 | FIP Snoopingwww.dell.com | support.dell.comDynamic ACL generation on an Aggregator operating as a FIP snooping bridge functions as follows:• Glo

FIP Snooping | 107The following sections describe how to configure the FIP snooping feature on a switch that functions as a FIP snooping bridge so tha

108 | FIP Snoopingwww.dell.com | support.dell.comFIP Snooping on VLANsFIP snooping is enabled globally on an Aggregator on all VLANs:• FIP frames are

FIP Snooping | 109FIP Snooping PrerequisitesOn an Aggregator, FIP snooping requires the following conditions:• A FIP snooping bridge requires DCBX and

2 | About this Guidewww.dell.com | support.dell.comConventionsThis document uses the following conventions to describe command syntax:Information Symb

110 | FIP Snoopingwww.dell.com | support.dell.comDisplaying FIP Snooping InformationUse the show commands in Table 7-1 to display information on FIP s

FIP Snooping | 111Figure 7-3. show fip-snooping sessions Command ExampleFigure 7-4. show fip-snooping config Command ExampleTable 7-2. show fip-snoopi

112 | FIP Snoopingwww.dell.com | support.dell.comFigure 7-5. show fip-snooping enode Command ExampleFigure 7-6. show fip-snooping fcf Command ExampleT

FIP Snooping | 113Figure 7-7. show fip-snooping statistics (VLAN and port) Command ExampleFTOS# show fip-snooping statistics interface vlan 100Number

114 | FIP Snoopingwww.dell.com | support.dell.comFigure 7-8. show fip-snooping statistics (port channel) Command ExampleFTOS# show fip-snooping statis

FIP Snooping | 115Table 7-5. show fip-snooping statistics Command DescriptionsField DescriptionNumber of Vlan Requests Number of FIP-snooped VLAN requ

116 | FIP Snoopingwww.dell.com | support.dell.comFigure 7-9. show fip-snooping system Command ExampleFigure 7-10. show fip-snooping vlan Command Examp

FIP Snooping | 117FIP Snooping ExampleFigure 7-11 shows an Aggregator used as a FIP snooping bridge for FCoE traffic between an ENode (server blade) a

118 | FIP Snoopingwww.dell.com | support.dell.comDebugging FIP SnoopingTo enable debug messages for FIP snooping events, enter the debug fip-snooping

Internet Group Management Protocol (IGMP) | 1198Internet Group Management Protocol (IGMP)On an Aggregator, IGMP snooping is auto-configured. You can d

Configuration Fundamentals | 32Configuration FundamentalsThe Dell Networking operating software (FTOS) command line interface (CLI) is a text-based in

120 | Internet Group Management Protocol (IGMP)www.dell.com | support.dell.comFigure 8-1. IGMP Version 2 Packet FormatJoining a Multicast GroupThere a

Internet Group Management Protocol (IGMP) | 121IGMP Version 3Conceptually, IGMP version 3 behaves the same as version 2. However, there are difference

122 | Internet Group Management Protocol (IGMP)www.dell.com | support.dell.comJoining and Filtering Groups and SourcesFigure 8-4 shows how multicast r

Internet Group Management Protocol (IGMP) | 123Leaving and Staying in GroupsFigure 8-5 shows how multicast routers track and refresh state changes in

124 | Internet Group Management Protocol (IGMP)www.dell.com | support.dell.comHow IGMP Snooping is Implemented on an Aggregator• IGMP snooping is enab

Internet Group Management Protocol (IGMP) | 125Figure 8-6. show ip igmp groups Command ExampleFTOS# show ip igmp groups Total Number of Groups:

126 | Internet Group Management Protocol (IGMP)www.dell.com | support.dell.comFigure 8-7. show ip igmp interface Command ExampleFigure 8-8. show ip ig

Interfaces | 1279InterfacesThis chapter describes the auto-configuration of 1 Gigabit (1GbE) and 10 Gigabit Ethernet (10GbE) interfaces (physical and

128 | Interfaceswww.dell.com | support.dell.comInterface Auto-ConfigurationAn Aggregator auto-configures interfaces as follows:• All interfaces operat

Interfaces | 129Viewing Interface InformationTo view interface status and auto-configured parameters use show commands. The show interfaces command in

4 | Configuration Fundamentalswww.dell.com | support.dell.comCLI ModesDifferent sets of commands are available in each mode. A command found in one mo

130 | Interfaceswww.dell.com | support.dell.comTo view which interfaces are enabled for Layer 3 data transmission use the show ip interfaces brief com

Interfaces | 131Disabling and Re-enabling a Physical InterfaceBy default, all port interfaces on an Aggregator are operationally enabled (no shutdown)

132 | Interfaceswww.dell.com | support.dell.comLayer 2 ModeOn an Aggregator, physical interfaces, port channels, and VLANs auto-configure to operate i

Interfaces | 133The Aggregator supports the management ethernet interface as well as the standard interface on any front-end port. You can use either

134 | Interfaceswww.dell.com | support.dell.comTo display the configuration for a given port, use the show interface command from EXEC Privilege mode

Interfaces | 135Configuring a Static Route for a Management InterfaceWhen an IP address used by a protocol and a static management route exists for th

136 | Interfaceswww.dell.com | support.dell.comVLAN MembershipA virtual LAN (VLANs) is a logical broadcast domain or logical grouping of interfaces in

Interfaces | 137Port-Based VLANsPort-based VLANs are a broadcast domain defined by different ports or interfaces. In FTOS, a port-based VLAN can conta

138 | Interfaceswww.dell.com | support.dell.comConfiguring VLAN Membership By default, all Aggregator ports are member of all (4094) VLANs, including

Interfaces | 139Displaying VLAN Membership To view the configured VLANs, enter the show vlan command in EXEC privilege mode:Figure 9-8. show vlan Comm

Configuration Fundamentals | 5Navigating CLI ModesThe FTOS prompt changes to indicate the CLI mode. The following table lists the CLI mode, its prompt

140 | Interfaceswww.dell.com | support.dell.comAdding an Interface to a Tagged VLANFigure 9-9 shows an example of how to add a tagged interface (Te1/7

Interfaces | 141Adding an Interface to an Untagged VLANTo move an untagged interfaces from the default VLAN to another VLAN, use the vlan untagged com

142 | Interfaceswww.dell.com | support.dell.comPort Channel Definition and StandardsLink aggregation is defined by IEEE 802.3ad as a method of groupin

Interfaces | 143Port channels can contain a mix of 1000 or 10000 Mbps Ethernet interfaces. The interface speed (100, 1000, or 10000 Mbps) used by the

144 | Interfaceswww.dell.com | support.dell.comDisplaying Port Channel InformationTo view the port channel’s status and channel members in a tabular f

Interfaces | 145Figure 9-12. show interface port-channel Command Example FTOS#show interface port-channelPort-channel 1 is up, line protocol is upCrea

146 | Interfaceswww.dell.com | support.dell.comInterface RangeAn interface range is a set of interfaces to which other commands may be applied, and ma

Interfaces | 147Create a Multiple-Range Figure 9-14. Creating a Multiple-Range PromptExclude a Smaller Port RangeIf the interface range has multiple p

148 | Interfaceswww.dell.com | support.dell.comYou can display interface statistics with the monitor interface command. This command displays an ongoi

Interfaces | 149Figure 9-18. monitor interface Command ExampleFTOS#monitor interface tengig 3/1 Dell Force10 uptime is 1 day(s), 4 hour(s), 31 minute(

6 | Configuration Fundamentalswww.dell.com | support.dell.comThe following illustration shows how to change the command mode from CONFIGURATION mode t

150 | Interfaceswww.dell.com | support.dell.comMaintenance Using TDRThe time domain reflectometer (TDR) is supported on all Dell Networking switch/rou

Interfaces | 151Flow Control Using Ethernet Pause FramesAn Aggregator auto-configures to operate in auto-DCB-enable mode (Refer to Data Center Bridgin

152 | Interfaceswww.dell.com | support.dell.comMTU SizeThe Aggregator auto-configures interfaces to use a maximum MTU size of 12,000 bytes.If a packet

Interfaces | 153Auto-Negotiation on Ethernet Interfaces Setting Speed and Duplex Mode of Ethernet InterfacesBy default, auto-negotiation of speed and

154 | Interfaceswww.dell.com | support.dell.comFigure 9-19. show interfaces status Command ExampleIn Figure 9-19, several ports display “Auto” in the

Interfaces | 155speed 100 interface-config modeSupported Not supported(Error message is thrown) (% Error: Speed 100 not supported on this interface, c

156 | Interfaceswww.dell.com | support.dell.comFigure 9-21 shows the auto-negotiation options.Figure 9-21. Setting Auto-Negotiation Options Viewing In

Interfaces | 157In EXEC mode, the show interfaces switchport command displays only interfaces in Layer 2 mode and their relevant configuration informa

158 | Interfaceswww.dell.com | support.dell.comClearing Interface CountersThe counters in the show interfaces command are reset by the clear counters

iSCSI Optimization | 15910iSCSI OptimizationAn Aggregator enables internet small computer system interface (iSCSI) optimization with default iSCSI par

Configuration Fundamentals | 7Figure 2-5. Undoing a command with the no Command Obtaining Help Obtain a list of keywords and a brief functional descri

160 | iSCSI Optimizationwww.dell.com | support.dell.com• If you configured flow-control, iSCSI uses the current configuration. If you did not configur

iSCSI Optimization | 161Information Monitored in iSCSI Traffic FlowsiSCSI optimization examines the following data in packets and uses the data to tra

162 | iSCSI Optimizationwww.dell.com | support.dell.com• Link-level flow control is enabled on PFC disabled interfaces.• iSCSI session snooping is ena

iSCSI Optimization | 163To display information on iSCSI optimization, use the show commands in Table 10-2 tFigure 10-2. show iscsi Command ExampleFigu

164 | iSCSI Optimizationwww.dell.com | support.dell.comFigure 10-4. show iscsi sessions detailed Command ExampleFTOS# show isci sessions detailed Sess

Link Aggregation | 16511Link Aggregation The I/O Aggregator auto-configures with link aggregation groups (LAGs) as follows:• All uplink ports are auto

166 | Link Aggregationwww.dell.com | support.dell.comServer-Facing LAGsServer-facing ports are configured as individual ports by default. If you confi

Link Aggregation | 167LACP ExampleFigure 11-1 shows an example of how LACP operates in an Aggregator stack by auto-configuring the uplink LAG 128 for

168 | Link Aggregationwww.dell.com | support.dell.comThe show outputs in this section for uplink LAG 128 and server-facing LAG 1 refer to the example

Link Aggregation | 169Figure 11-3. show lacp 128 Command Example FTOS# show lacp 128Port-channel 128 admin up, oper up, mode lacpActor System ID: P

8 | Configuration Fundamentalswww.dell.com | support.dell.comFigure 2-7. Keyword? Command Example • A keyword followed by [space]? lists all of the ke

170 | Link Aggregationwww.dell.com | support.dell.comFigure 11-4. show lacp 128 Command Example (Continued) Port Te 0/48 is disabled, LACP is disabled

Link Aggregation | 171Figure 11-5. show interfaces port-channel 1 Command Example Figure 11-6. show lacp 1 Command Example FTOS# show interfaces port-

172 | Link Aggregationwww.dell.com | support.dell.com

Layer 2 | 17312Layer 2The Aggregator supports CLI commands to manage the MAC address table:• Clearing MAC Address Entries• Displaying the MAC Address

174 | Layer 2www.dell.com | support.dell.comDisplaying the MAC Address TableTo display the contents of the MAC address table, use the show mac-address

Layer 2 | 175Figure 12-1. Redundant NICs with NIC TeamingMAC Address Station MoveWhen you use NIC teaming, consider that the server MAC address is ori

176 | Layer 2www.dell.com | support.dell.com

Link Layer Discovery Protocol (LLDP) | 17713Link Layer Discovery Protocol (LLDP)An Aggregator auto-configures to support the link layer discovery prot

178 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comThere are five types of TLVs (Table 13-1). All types are mandatory in the con

Link Layer Discovery Protocol (LLDP) | 179Organizationally Specific TLVsOrganizationally specific TLVs can be defined by a professional organization o

Configuration Fundamentals | 9Command HistoryFTOS maintains a history of previously-entered commands for each mode. For example:• When you are in EXEC

180 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comTIA-1057 (LLDP-MED) OverviewLink layer discovery protocol—media endpoint disc

Link Layer Discovery Protocol (LLDP) | 181TIA Organizationally Specific TLVsThe Dell Networking system is an LLDP-MED Network Connectivity Device (Dev

182 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comLLDP-MED Capabilities TLVThe LLDP-MED Capabilities TLV communicates the types

Link Layer Discovery Protocol (LLDP) | 183LLDP-MED Network Policies TLVA network policy in the context of LLDP-MED is a device’s virtual local area ne

184 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comFigure 13-5. LLDP-MED Policies TLVExtended Power via MDI TLVThe Extended Powe

Link Layer Discovery Protocol (LLDP) | 185LLDP OperationOn an Aggregator, LLDP operates as follows:• LLDP is enabled by default. • LLDPDUs are transmi

186 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comViewing Information Advertised by Adjacent LLDP AgentsTo display brief inform

Link Layer Discovery Protocol (LLDP) | 187Figure 13-10. Viewing All Information Advertised by Adjacent LLDP AgentFTOS#show lldp neighbors detail======

188 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comClearing LLDP CountersYou can clear LLDP statistics that are maintained on an

Link Layer Discovery Protocol (LLDP) | 189Debugging LLDPThe debug lldp command allows you to view the TLVs that your system is sending and receiving.•

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

10 | Configuration Fundamentalswww.dell.com | support.dell.comFigure 2-9. Filtering Command Outputs with the grep Command• except displays text that d

190 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comRelevant Management ObjectsFTOS supports all IEEE 802.1AB MIB objects.• Table

Link Layer Discovery Protocol (LLDP) | 191Table 13-8. LLDP System MIB ObjectsTLV Type TLV Name TLV Variable System LLDP MIB Object1 Chassis ID chassis

192 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.comTable 13-9. LLDP 802.1 Organizationally Specific TLV MIB ObjectsTLV Type TLV

Link Layer Discovery Protocol (LLDP) | 1932 Network Policy Application Type Local lldpXMedLocMediaPolicyAppTypeRemote lldpXMedRemMediaPolicyAppTypeUnk

194 | Link Layer Discovery Protocol (LLDP)www.dell.com | support.dell.com4 Extended Power via MDIPower Device Type Local lldpXMedLocXPoEDeviceTypeRemo

Port Monitoring | 19514Port MonitoringThe Aggregator supports user-configured port monitoring. See Configuring Port Monitoring for the configuration c

196 | Port Monitoringwww.dell.com | support.dell.comPort MonitoringThe Aggregator supports multiple source-destination statements in a monitor session

Port Monitoring | 197Figure 14-2 shows ports 0/25 and 0/26 that belong to port pipe 1 with a maximum of four destination ports.Figure 14-2. Number of

198 | Port Monitoringwww.dell.com | support.dell.comConfiguring Port MonitoringTo configure port monitoring, use the following example: To display inf

Port Monitoring | 199In Figure 14-4, the host and server are exchanging traffic which passes through the uplink interface 1/1. Port 1/1 is the monitor

Configuration Fundamentals | 11Multiple Users in Configuration ModeFTOS notifies all users in the event that there are multiple users logged into CONF

200 | Port Monitoringwww.dell.com | support.dell.com

Simple Network Management Protocol (SNMP) | 20115Simple Network Management Protocol (SNMP)Network management stations use the simple network managemen

202 | Simple Network Management Protocol (SNMP)www.dell.com | support.dell.comSetting up SNMPFTOS supports SNMP version 1 and version 2 which are comm

Simple Network Management Protocol (SNMP) | 203Dell Networking supports RFC 4001, Textual Conventions for Internet Work Addresses that defines values

204 | Simple Network Management Protocol (SNMP)www.dell.com | support.dell.comDisplaying the Ports in a VLAN Using SNMPFTOS identifies VLAN interfaces

Simple Network Management Protocol (SNMP) | 205Figure 15-6 shows the output for an Aggregator. All hex pairs are 00, indicating that no ports are assi

206 | Simple Network Management Protocol (SNMP)www.dell.com | support.dell.comIn Figure 15-8, R1 has one dynamic MAC address, learned off of port TenG

Simple Network Management Protocol (SNMP) | 207To fetch the learned MAC address of a port-channel use dot3aCurAggFdbTable. The instance number is the

208 | Simple Network Management Protocol (SNMP)www.dell.com | support.dell.comStarting from the least significant bit (LSB):• the first 14 bits repres

Simple Network Management Protocol (SNMP) | 209Monitor Port-channels To check the status of a Layer 2 port-channel, use f10LinkAggMib (.1.3.6.1.4.1.60

12 | Configuration Fundamentalswww.dell.com | support.dell.com

210 | Simple Network Management Protocol (SNMP)www.dell.com | support.dell.comFor L3 LAG, you do not have this support. SNMPv2-MIB::sysUpTime.0 = Time

Simple Network Management Protocol (SNMP) | 211The status of the MIBS is as follows: $ snmpwalk -c public -v 2c 10.16.130.148 1.3.6.1.2.1.47.1.1.1.1.2

212 | Simple Network Management Protocol (SNMP)www.dell.com | support.dell.comSNMPv2-SMI::mib-2.47.1.1.1.1.2.81 = STRING: "Unit: 1 Port 14 10G Le

Stacking | 21316Stacking OverviewAn Aggregator auto-configures to operate in standalone mode. To use an Aggregator in a stack, you must manually confi

214 | Stackingwww.dell.com | support.dell.comFigure 16-15. A Two-Aggregator Stack Stack Management RolesThe stack elects the management units for the

Stacking | 215Stack Master ElectionThe stack elects a master and standby unit at bootup time based on MAC address. The unit with the higher MAC value

216 | Stackingwww.dell.com | support.dell.comMAC AddressingAll port interfaces in the stack use the MAC address of the management interface on the mas

Stacking | 217Stacking Port NumbersBy default, each Aggregator in Standalone mode is numbered stack-unit 0. Stack-unit numbers are assigned to member

218 | Stackingwww.dell.com | support.dell.comStacking PrerequisitesBefore you cable and configure a stack of Aggregators, review the following prerequ

Stacking | 219Cabling ProcedureThe following cabling procedure uses the stacking topology in Figure 16-15. To connect the cabling:1. Connect a 40GbE b

Getting Started | 133Getting StartedThis chapter contains the following sections:• Front Panel• Port Numbering• Console access• Boot Process• Configur

220 | Stackingwww.dell.com | support.dell.comAdding a Stack UnitYou can add a new unit to an existing stack both when the unit has no stacking ports (

Stacking | 221Resetting a Unit on a StackUse the following reset commands to reload any of the member units or the standby in a stack. If you try to r

222 | Stackingwww.dell.com | support.dell.com Verifying a Stack Configuration Using LEDsTable 16-2 lists the status of a stacked switch according to t

Stacking | 223Figure 16-18. show system brief Command Example Figure 16-19. show system Command Example FTOS# show system brief StStack MAC : 00:1e:

224 | Stackingwww.dell.com | support.dell.comFigure 16-20. show inventory optional-module Command ExampleFigure 16-21. show system stack-unit stack-gr

Stacking | 225Figure 16-24. show system stack-ports (daisy chain) Command Example FTOS# show system stack-portsTopology: Daisy chainInterface Connect

226 | Stackingwww.dell.com | support.dell.comTroubleshooting a Switch StackTroubleshooting CommandsTo perform troubleshooting operations on a switch s

Stacking | 227Figure 16-26. show redundancy Command Example FTOS#show redundancy -- Stack-unit Status ---------------------------------------------

228 | Stackingwww.dell.com | support.dell.comFigure 16-27. show hardware stack-unit stack-port Command ExampleFailure ScenariosThe following sections

Stacking | 229Master Switch FailsProblem: The master switch fails due to a hardware fault, software crash, or power loss.Resolution: A failover proced

14 | Getting Startedwww.dell.com | support.dell.comFront PanelThe following example shows the I/O Aggregator (also known as aggregator) front panel:Fi

230 | Stackingwww.dell.com | support.dell.comStack Unit in Card-Problem State Due to Incorrect FTOS VersionProblem: A stack unit enters a Card-Problem

Stacking | 231Upgrading a Switch StackTo upgrade all switches in a stack with the same FTOS version, follow these steps:Figure 16-31 shows an example

232 | Stackingwww.dell.com | support.dell.comUpgrading a Single Stack UnitUpgrading a single stacked switch is necessary when the unit was disabled du

Broadcast Storm Control | 23317Broadcast Storm ControlOn the Aggregator, the broadcast storm control feature is enabled by default on all ports, and d

234 | Broadcast Storm Controlwww.dell.com | support.dell.com

System Time and Date | 23518System Time and DateThe Aggregator auto-configures the hardware and software clocks with the current time and date. If nec

236 | System Time and Datewww.dell.com | support.dell.comSetting the Time for the Software ClockYou can change the order of the month and day paramete

System Time and Date | 237Setting the Time ZoneUniversal time coordinated (UTC) is the time standard based on the International Atomic Time standard,

238 | System Time and Datewww.dell.com | support.dell.comSetting Daylight Savings TimeFTOS supports setting the system to daylight savings time once o

System Time and Date | 239Setting Recurring Daylight Saving TimeSet a date (and time zone) on which to convert the switch to daylight savings time on

Getting Started | 15Uplink PortsPorts 33 to 56 are external ports used for uplinks and numbered from the bottom to the top of the switch as follows:•

240 | System Time and Datewww.dell.com | support.dell.com• end-week: If you entered a start-week, enter one of the following as the week that daylight

Uplink Failure Detection (UFD) | 24119Uplink Failure Detection (UFD)Feature DescriptionUplink Failure Detection (UFD) provides detection of the loss o

242 | Uplink Failure Detection (UFD)www.dell.com | support.dell.comFigure 19-1. Uplink Failure Detection How Uplink Failure Detection Works UFD create

Uplink Failure Detection (UFD) | 243Figure 19-2. Uplink Failure Detection ExampleIf only one of the upstream interfaces in an uplink-state group goes

244 | Uplink Failure Detection (UFD)www.dell.com | support.dell.comImportant Points to RememberWhen you configure Uplink Failure Detection, the follow

Uplink Failure Detection (UFD) | 245Configuring Uplink Failure DetectionTo configure Uplink Failure Detection, follow these steps: Step Command Syntax

246 | Uplink Failure Detection (UFD)www.dell.com | support.dell.comClearing a UFD-Disabled InterfaceYou can manually bring up a downstream interface i

Uplink Failure Detection (UFD) | 247Message 1 shows the Syslog messages displayed when you clear the UFD-disabled state from all disabled downstream i

248 | Uplink Failure Detection (UFD)www.dell.com | support.dell.comDisplaying Uplink Failure Detection To display information on the Uplink Failure De

Uplink Failure Detection (UFD) | 249Figure 19-3. show uplink-state-group Command OutputFTOS# show uplink-state-groupUplink State Group: 1 Status: En

16 | Getting Startedwww.dell.com | support.dell.comFigure 3-2. Port Numbering on an Aggregator Console accessThe Aggregator has two management ports a

250 | Uplink Failure Detection (UFD)www.dell.com | support.dell.comFigure 19-4. show interfaces Command: UFD OutputFigure 19-5.show running-config upl

Uplink Failure Detection (UFD) | 251Sample Configuration: Uplink Failure DetectionFigure 19-7 shows a sample configuration of Uplink Failure Detection

252 | Uplink Failure Detection (UFD)www.dell.com | support.dell.comFigure 19-7. Configuring Uplink Failure Detection FTOS(conf)#uplink-state-group 3F

Upgrade Procedures | 25320Upgrade ProceduresTo view the requirements for upgrading the Dell Networking operating software (FTOS) on an Aggregator, ref

254 | Upgrade Procedureswww.dell.com | support.dell.com

Debugging and Diagnostics | 25521Debugging and DiagnosticsThe chapter contains the following sections: • Debugging Aggregator Operation• Software show

256 | Debugging and Diagnosticswww.dell.com | support.dell.comDebugging Aggregator OperationThis section describes common troubleshooting procedures t

Debugging and Diagnostics | 257Broadcast, unknown multicast, and DLF packets switched at a very low rateSymptom: Broadcast, unknown multicast, and DLF

258 | Debugging and Diagnosticswww.dell.com | support.dell.comFlooded packets on all VLANs are received on a serverSymptom: All packets flooded on all

Debugging and Diagnostics | 259Auto-configured VLANs do not exist on a stacked AggregatorSymptom: When an Aggregator is configured and used in a stack

Getting Started | 17External Serial Port with a USB ConnectorThe following table lists the pin assignments. Boot ProcessAfter you follow the instructi

260 | Debugging and Diagnosticswww.dell.com | support.dell.comSoftware show CommandsUse the show version and show system stack-unit 0 commands as a pa

Debugging and Diagnostics | 261Figure 21-2. show system stack-unit 0 Command Example FTOS#show system stack-unit 0-- Unit 0 --Unit Type : Manag

262 | Debugging and Diagnosticswww.dell.com | support.dell.comOffline DiagnosticsThe offline diagnostics test suite is useful for isolating faults and

Debugging and Diagnostics | 263Figure 21-3. Taking a Stack Unit Offline2. Use the show system brief command from EXEC Privilege mode to confirm offlin

264 | Debugging and Diagnosticswww.dell.com | support.dell.comOn a Standby unit, you can reach the TRACE_LOG_DIR files only by using the show file com

Debugging and Diagnostics | 265Environmental Monitoring Aggregator components use environmental monitoring hardware to detect transmit power readings,

266 | Debugging and Diagnosticswww.dell.com | support.dell.comFigure 21-6. show interfaces transceiver Command Example FTOS#show int ten 0/49 transcei

Debugging and Diagnostics | 267Recognize an Over-Temperature ConditionAn over-temperature condition occurs for one of two reasons:• The card genuinely

268 | Debugging and Diagnosticswww.dell.com | support.dell.comFigure 21-8. show environment Command ExampleRecognize an Under-Voltage ConditionIf the

Debugging and Diagnostics | 269The simple network management protocol (SNMP) traps and OIDs in Table 22-3 provide information about environmental moni

18 | Getting Startedwww.dell.com | support.dell.comFigure 3-3. Completed Boot Process syncing disks... doneunmounting file systems...unmounting /f10/f

270 | Debugging and Diagnosticswww.dell.com | support.dell.comAll ports support eight queues, four for data traffic and four for control traffic. All

Debugging and Diagnostics | 271Deciding to Tune BuffersDell Networking recommends exercising caution when configuring any non-default buffer settings,

272 | Debugging and Diagnosticswww.dell.com | support.dell.comYou cannot allocate more than the available memory for the dedicated buffers. If the sys

Debugging and Diagnostics | 273Figure 21-11. Displaying Buffer Profile AllocationsFTOS#show running-config interface tengigabitethernet 2/0 !interface

274 | Debugging and Diagnosticswww.dell.com | support.dell.comUsing a Pre-Defined Buffer ProfileFTOS provides two pre-defined buffer profiles, one for

Debugging and Diagnostics | 275Sample Buffer Profile ConfigurationThe two general types of network environments are sustained data transfers and voice

276 | Debugging and Diagnosticswww.dell.com | support.dell.comDisplaying Drop CountersThe show hardware stack-unit 0–11 drops [unit 0 [port 0–63]] com

Debugging and Diagnostics | 277Figure 21-14. Displaying Buffer Statistics, Displaying Drop Counters Dataplane StatisticsThe show hardware stack-unit c

278 | Debugging and Diagnosticswww.dell.com | support.dell.comFigure 21-15. Displaying Buffer Statistics, Displaying Dataplane StatisticsThe show hard

Debugging and Diagnostics | 279Displaying Stack Port StatisticsThe show hardware stack-unit stack-port command displays input and output statistics fo

Getting Started | 19Figure 3-4. Completed Boot Process (Contd.) ########################################### ##

280 | Debugging and Diagnosticswww.dell.com | support.dell.comApplication Core DumpsApplication core dumps are disabled by default. A core dump file c

Debugging and Diagnostics | 281Figure 21-19. Mini application core file naming example When a member or standby unit crashes, the mini core file gets

282 | Debugging and Diagnosticswww.dell.com | support.dell.comTCP DumpsTCP dump captures CPU bound control plane traffic to improve troubleshooting an

Debugging and Diagnostics | 283• When you restore the units in stand-alone mode, the units remain in stand-alone mode after the restoration.• After th

284 | Debugging and Diagnosticswww.dell.com | support.dell.com

Standards Compliance | 28522Standards ComplianceThis chapter contains the following sections:• IEEE Compliance• RFC and I-D Compliance• MIB LocationIE

286 | Standards Compliancewww.dell.com | support.dell.comRFC and I-D ComplianceThe following standards are supported by FTOS on an Aggregator and are

Standards Compliance | 287 General IPv4 ProtocolsRFC# Full Name791 Internet Protocol792 Internet Control Message Protocol826 An Ethernet Address Res

288 | Standards Compliancewww.dell.com | support.dell.comNetwork ManagementRFC# Full Name1155 Structure and Identification of Management Information

Standards Compliance | 289ruzin-mstp-mib-02 (Traps)Definitions of Managed Objects for Bridges with Multiple Spanning Tree ProtocolsFlow.org sFlow Vers

| iii1 About this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Objectives . . . . . .

20 | Getting Startedwww.dell.com | support.dell.comFigure 3-5. Completed Boot Process (Contd.) FTOS>00:00:30: %STKUNIT0-M:CP %IFMGR-5-IFM_ISCSI_ENA

290 | Standards Compliancewww.dell.com | support.dell.comMIB LocationForce10 MIBs are under the Force10 MIBs subhead on the Documentation page of iSup

Getting Started | 21Figure 3-6. Completed Boot Process (Contd.) 00:00:59: %STKUNIT0-M:CP %IFMGR-5-OSTATE_DN: Downstream interface set to UFD error-dis

22 | Getting Startedwww.dell.com | support.dell.comFigure 3-7. Completed Boot Process (Contd.) Configure a Host NameThe host name appears in the promp

Getting Started | 23Access the Aggregator RemotelyConfiguring the Aggregator for Telnet access is a three-step process:1. Configure an IP address for

24 | Getting Startedwww.dell.com | support.dell.comConfigure a Management Route Define a path from the system to the network from which you are access

Getting Started | 25Dell Networking recommends using the enable secret password.To configure an enable password:Configuration File ManagementYou can s

26 | Getting Startedwww.dell.com | support.dell.comCopy Files to and from the SystemThe command syntax for copying files is similar to UNIX. The copy

Getting Started | 27Figure 3-9. Copying a file to a Remote SystemFigure 3-10 shows an example of using the copy command to import a file to the Dell N

28 | Getting Startedwww.dell.com | support.dell.comRestoring the Factory Default SettingsRestoring factory defaults deletes the existing NVRAM setting

Getting Started | 29Figure 3-11. Restoring the Factory Default SettingsView FilesYou can only view file information and content on local file systems.

iv |www.dell.com | support.dell.com4 Aggregator Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Lo

30 | Getting Startedwww.dell.com | support.dell.comFigure 3-12. Viewing a List of Files in the Internal FlashTo view the contents of a file, follow th

Getting Started | 31Figure 3-13. Tracking Changes with Configuration CommentsFile System ManagementThe Dell Networking system can use the internal Fla

32 | Getting Startedwww.dell.com | support.dell.comYou can change the default file system so that file management commands apply to a particular devic

Getting Started | 33Figure 3-16. show command-history Command Example Upgrading FTOS Note: To upgrade FTOS, refer to the Release Notes for the FTOS ve

34 | Getting Startedwww.dell.com | support.dell.com

Aggregator Management | 354Aggregator ManagementThis chapter explains the different protocols or services used to manage an Aggregator including:• Log

36 | Aggregator Managementwww.dell.com | support.dell.comDisabling System LoggingBy default, logging is enabled and log messages are sent to the loggi

Aggregator Management | 37Changing System Logging SettingsYou can change the default settings of the system logging by changing the severity level and

38 | Aggregator Managementwww.dell.com | support.dell.comDisplaying the Logging Buffer and Logging ConfigurationTo display the current contents of the

Aggregator Management | 39Configuring a UNIX Logging Facility LevelYou can save system log messages with a UNIX system logging facility. To configure

| vAuto-Detection of the DCBX Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65DCBx Example . . . . . . . . . . . .

40 | Aggregator Managementwww.dell.com | support.dell.comEnabling Time Stamps on Syslog MessagesBy default, syslog messages do not include a time/date

Aggregator Management | 41Enabling the FTP ServerTo enable the system as an FTP server, use the following command in CONFIGURATION mode: To view the F

42 | Aggregator Managementwww.dell.com | support.dell.comTerminal LinesYou can access the system remotely and restrict access to the system by creatin

Aggregator Management | 43Recovering from a Forgotten PasswordIf you configure authentication for the console and you exit out of EXEC mode or your co

44 | Aggregator Managementwww.dell.com | support.dell.comRecovering from a Failed StartAn Aggregator that does not start correctly might be attempting

Aggregator Management | 45Figure 4-5. Recovering from a Failed Start: ExampleU-Boot 2010.03-rc1(Dell Force10)Built by build at tools-sjc-01 on Thu May

46 | Aggregator Managementwww.dell.com | support.dell.com

Data Center Bridging (DCB) | 475Data Center Bridging (DCB)On an I/O Aggregator, data center bridging (DCB) features are auto-configured in standalone

48 | Data Center Bridging (DCB)www.dell.com | support.dell.comData center bridging satisfies the needs of the following types of data center traffic i

Data Center Bridging (DCB) | 49Figure 5-1. Priority-Based Flow ControlPFC is implemented as follows in the Dell Networking operating software (FTOS):•

vi |www.dell.com | support.dell.com8 Internet Group Management Protocol (IGMP). . . . . . . . . . . . . . . . . . . . . . . . . . . 119IGMP Overview

50 | Data Center Bridging (DCB)www.dell.com | support.dell.com• PFC uses the DCB MIB IEEE802.1azd2.5 and the PFC MIB IEEE802.1bb-d2.2.If DCBx negotiat

Data Center Bridging (DCB) | 51FTOS Behavior: As soon as you apply a DCB policy with PFC enabled on an interface, DCBx starts exchanging information w

52 | Data Center Bridging (DCB)www.dell.com | support.dell.com• You can enable link-level flow control on the interface (refer to Ethernet Pause Frame

Data Center Bridging (DCB) | 53Figure 5-2. Enhanced Transmission SelectionETS uses the following traffic groupings to select multiprotocol traffic for

54 | Data Center Bridging (DCB)www.dell.com | support.dell.comDifferent traffic types have different service needs. Using ETS, you can create groups w

Data Center Bridging (DCB) | 55Figure 5-3. DCB PFC and ETS Traffic HandlingData Center Bridging: Auto-DCB-Enable ModeOn an Aggregator in standalone, s

56 | Data Center Bridging (DCB)www.dell.com | support.dell.com• A DCB input policy with PFC disabled• A DCB output policy with ETS disabledFigure 5-4

Data Center Bridging (DCB) | 57Lossless Traffic HandlingIn auto-DCB-enable mode, Aggregator ports operate with the auto-detection of DCBx traffic. At

58 | Data Center Bridging (DCB)www.dell.com | support.dell.comQoS dot1p Traffic Classification and Queue AssignmentDCB supports PFC, ETS, and DCBx to

Data Center Bridging (DCB) | 59How Priority-Based Flow Control is Implemented Priority-based flow control provides a flow control mechanism based on t

| viiiSCSI Optimization: Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161Default iSCSI Optimization Valu

60 | Data Center Bridging (DCB)www.dell.com | support.dell.com• Traffic in priority groups is assigned to strict-queue or WERR scheduling in an ETS ou

Data Center Bridging (DCB) | 61• New ETS configurations are ignored and existing ETS configurations are reset to the previously configured ETS output

62 | Data Center Bridging (DCB)www.dell.com | support.dell.comDCBx OperationDCBx performs the following operations:• Discovers DCB configuration (such

Data Center Bridging (DCB) | 63• If the received peer configuration is not compatible with the currently configured port configuration, the link with

64 | Data Center Bridging (DCB)www.dell.com | support.dell.comConfiguration Source Election When an auto-upstream or auto-downstream port receives a D

Data Center Bridging (DCB) | 65Auto-Detection of the DCBX VersionThe Aggregator operates in auto-detection mode so that a DCBx port automatically dete

66 | Data Center Bridging (DCB)www.dell.com | support.dell.comFigure 5-7. DCBX Sample TopologyDCBx Prerequisites and Restrictions• DCBx requires LLDP

Data Center Bridging (DCB) | 67DCBX Error MessagesAn error in DCBx operation is displayed using the following syslog messages:LLDP_MULTIPLE_PEER_DETEC

68 | Data Center Bridging (DCB)www.dell.com | support.dell.comVerifying DCB Configuration Use the show commands in Table 5-2 to display DCB configurat

Data Center Bridging (DCB) | 69Figure 5-10. show interfaces pfc detail Command ExampleTable 5-3. show interface pfc summary Command DescriptionField D

viii |www.dell.com | support.dell.comImportant Point to Remember . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .201S

70 | Data Center Bridging (DCB)www.dell.com | support.dell.comRemote is enabled, Priority listRemote Willing Status is enabledOperational status (enab

Data Center Bridging (DCB) | 71Input Appln Priority TLV pkts Number of Appln Priority TLVs received.Output Appln Priority TLV pkts Number of Appln Pri

72 | Data Center Bridging (DCB)www.dell.com | support.dell.comFigure 5-11. show interface ets detail Command Example

Data Center Bridging (DCB) | 73Table 5-4. show interface ets detail Command DescriptionField DescriptionInterface Interface type with stack-unit and p

74 | Data Center Bridging (DCB)www.dell.com | support.dell.comAdmin mode ETS mode: on or off.When on, the scheduling and bandwidth allocation configur

Data Center Bridging (DCB) | 75Figure 5-12. show stack-unit all stack-ports all pfc details Command ExampleFigure 5-13. show stack-unit all stack-port

76 | Data Center Bridging (DCB)www.dell.com | support.dell.comFigure 5-14. show interface dcbx detail Command ExampleFTOS# show interface tengigabitet

Data Center Bridging (DCB) | 77Example: PFC and ETS Operation Table 5-5. show interface dcbx detail Command DescriptionField DescriptionInterface Inte

78 | Data Center Bridging (DCB)www.dell.com | support.dell.comThis section contains examples of DCB input and output policies applied on an interface.

Data Center Bridging (DCB) | 79Figure 5-15. Example: PFC and ETS Applied to LAN, IPC, and SAN Priority Traffic QoS Traffic Classification: On the Aggr

| ixSetting the Time for the Software Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236Synchronizing the Hardware Clock Usin

80 | Data Center Bridging (DCB)www.dell.com | support.dell.comTable 5-6. Example: dot1p-Queue Assignment Lossless SAN traffic with dot1p priority 3 is

Data Center Bridging (DCB) | 81Table 5-8. Example: priority group-bandwidth Assignment Hierarchical Scheduling in ETS Output PoliciesOn an Aggregator,

82 | Data Center Bridging (DCB)www.dell.com | support.dell.com

Dynamic Host Configuration Protocol (DHCP) | 83Skippy8126Dynamic Host Configuration Protocol (DHCP)The Aggregator is auto-configured to operate as a D

84 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comDHCP Packet Format and OptionsDHCP uses the user datagram protocol (UDP)

Dynamic Host Configuration Protocol (DHCP) | 85Assigning an IP Address Using DHCPWhen a client joins a network:1. The client initially broadcasts a DH

86 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comDHCP ClientAn Aggregator is auto-configured to operate as a DHCP client.

Dynamic Host Configuration Protocol (DHCP) | 87Releasing and Renewing DHCP-based IP AddressesOn an Aggregator configured as a DHCP client, you can rel

88 | Dynamic Host Configuration Protocol (DHCP)www.dell.com | support.dell.comFigure 6-4. show ip dhcp leaseDebugging DHCP Client OperationTo enable d

Dynamic Host Configuration Protocol (DHCP) | 89Figure 6-5. DHCP Client: Debug Messages Logged during DHCP Client Enabling/Disabling FTOS (conf-if-Ma-0