8.3.17.0 - Force10 Networks

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www.dell.com | support.dell.com Auto-Negotiation on Ethernet Interfaces 140 | Interfaces Setting Speed and Duplex Mode of Ethernet Interfaces By default, auto-negotiation of speed and duplex mode is enabled on 1GbE and 10GbE Ethernet interfaces on an Aggregator. The local interface and the directly connected remote interface must have the same setting. Auto-negotiation is the easiest way to accomplish these settings, as long as the remote interface is capable of auto-negotiation. Note: As a best practice, Dell <strong>Force10</strong> recommends keeping auto-negotiation enabled. Auto-negotiation should only be disabled on switch ports that attach to devices not capable of supporting negotiation or where connectivity issues arise from interoperability issues. For 100/1000/10000 Ethernet interfaces, the negotiation auto command is tied to the speed command. Auto-negotiation is always enabled when the speed command is set to 1000 or auto. In FTOS, the speed 1000 command is an exact equivalent of speed auto 1000 in IOS. To discover whether the remote and local interface require manual speed synchronization, and to manually synchronize them if necessary, follow these steps (also refer to Figure 10-20 on page 141). Step Task Command Syntax Command Mode 1 Determine the local interface status. Refer to Figure 10-19. show interfaces [interface] status EXEC Privilege 2 Determine the remote interface status. [Use the command on the remote system that is equivalent to the above command.] EXEC EXEC Privilege 3 Access CONFIGURATION mode. config EXEC Privilege 4 Access the port. interface interface slot/port CONFIGURATION 5 Set the local port speed. speed {100 | 1000 | 10000 | auto} INTERFACE 6 Optionally, set full- or half-duplex. duplex {half | full} INTERFACE 7 Disable auto-negotiation on the port. If the speed is set to 1000, you do not need to disable auto-negotiation no negotiation auto INTERFACE 8 Verify configuration changes. show config INTERFACE Note: The show interfaces status command (Figure 10-19) displays link status, but not administrative status. For link and administrative status, use the show ip interface [interface | brief] [configuration] command.
Figure 10-19. show interfaces status Command Example FTOS#show interfaces status Port Description Status Speed Duplex Vlan Te 0/1 Down Auto Auto -- Te 0/2 Down Auto Auto -- Te 0/3 Down Auto Auto -- Te 0/4 Down Auto Auto -- Te 0/5 Down Auto Auto -- Te 0/6 Down Auto Auto -- Te 0/7 Down Auto Auto -- Te 0/8 Down Auto Auto -- Te 0/9 Down Auto Auto -- Te 0/10 Down Auto Auto -- Te 0/11 Down Auto Auto -- Te 0/12 Down Auto Auto -- Te 0/13 Down Auto Auto -- [output omitted] In Figure 10-19, several ports display “Auto” in the Speed field, including port 0/1. In Figure 10-20, the speed of port 0/1 is set to 100 Mb and then its auto-negotiation is disabled. Figure 10-20. Setting Port Speed Example FTOS#configure FTOS(conf)#interface tengig 0/1 FTOS(Interface 0/1)#speed 100 FTOS(Interface 0/1)#duplex full FTOS(Interface 0/1)#no negotiation auto FTOS(Interface 0/1)#show config ! interface TenGigabitEthernet 0/1 no ip address speed 100 duplex full no shutdown Setting Auto-Negotiation Options The negotiation auto command provides a mode option for configuring an individual port to forced master/ forced slave after you enable auto-negotiation. Caution: Ensure that only one end of the node is configured as forced-master and the other is configured as forced-slave. If both are configured the same (that is, both as forced-master or both as forced-slave), the show interface command flaps between an auto-neg-error and forced-master/slave states. Table 10-4. Auto-Negotiation, Speed, and Duplex Settings on Different Optics Command mode 10GbaseT module 10G SFP+ optics 1G SFP optics Copper SFP - 1000baseT Comments Interfaces | 141
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Dell PowerEdge Configuration Guide
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October 2012 | iii
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1 About this Guide . . . . . . . .
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Data Center Bridging Exchange Proto
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Displaying VLAN Membership . . . .
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Read Managed Object Values . . . .
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Troubleshooting Packet Loss . . . .
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About this Guide Objectives 1 This
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Before You Start Default Settings 2
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DCB Support DCB enhancements for da
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The untagged VLAN of a server-facin
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Configuration Fundamentals 3 The De
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Navigating CLI Modes The FTOS promp
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Figure 3-5. Undoing a command with
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Table 3-2. Short-Cut Keys and their
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Multiple Users in Configuration Mod
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Getting Started This chapter contai
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Uplink Ports Ports 33 to 56 are ext
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Step Task (continued) Note: Termina
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Figure 4-4. Completed Boot Process
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Figure 4-6. Completed Boot Process
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Access the Aggregator Remotely Conf
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Dell Force10 recommends using the e
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Figure 4-10 shows an example of usi
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To view the contents of a file, fol
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Figure 4-14. Alternative Storage Lo
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Aggregator Management This chapter
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Changing System Logging Settings Yo
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Configuring a UNIX Logging Facility
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Enabling the FTP Server To enable t
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Recovering from a Forgotten Passwor
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Figure 5-5. Recovering from a Faile
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Data Center Bridging (DCB) 6 On an
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Figure 6-1. Priority-Based Flow Con
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Data Center Bridging Exchange Proto
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QoS dot1p Traffic Classification an
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How Enhanced Transmission Selection
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DCB Policies in a Switch Stack A DC
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Note: On a DCBX port, application p
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Auto-Detection of the DCBX Version
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DCBX Error Messages An error in DCB
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Figure 6-7. show interfaces pfc sum
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Table 6-3. show interface pfc summa
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Table 6-4. show interface ets detai
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Figure 6-12. show interface dcbx de
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Example: PFC and ETS Operation This
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Table 6-8. Example: priority group-
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Skippy812 Dynamic Host Configuratio
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Assigning an IP Address Using DHCP
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Releasing and Renewing DHCP-based I
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Figure 7-5. DHCP Client: Debug Mess
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Page 105 and 106: FIP Snooping 8 FIP snooping is auto
Page 107 and 108: Figure 8-1. FIP discovery and login
Page 109 and 110: The following sections describe how
Page 111 and 112: FIP Snooping Prerequisites On an Ag
Page 113 and 114: Figure 8-3. show fip-snooping sessi
Page 115 and 116: Figure 8-7. show fip-snooping stati
Page 117 and 118: Table 8-5. show fip-snooping statis
Page 119 and 120: FIP Snooping Example Figure 8-11 sh
Page 121 and 122: Internet Group Management Protocol
Page 123 and 124: IGMP Version 3 Conceptually, IGMP v
Page 125 and 126: Leaving and Staying in Groups Figur
Page 127 and 128: Figure 9-6. show ip igmp groups Com
Page 129 and 130: Interfaces 10 This chapter describe
Page 131 and 132: Viewing Interface Information You c
Page 133 and 134: Disabling and Re-enabling a Physica
Page 135 and 136: The Aggregator supports the managem
Page 137 and 138: Configuring a Static Route for a Ma
Page 139 and 140: Port-Based VLANs Port-based VLANs a
Page 141 and 142: Displaying VLAN Membership To view
Page 143 and 144: Adding an Interface to an Untagged
Page 145 and 146: Port channels can contain a mix of
Page 147 and 148: Figure 10-12. show interface port-c
Page 149 and 150: Create a Multiple-Range Figure 10-1
Page 151 and 152: Maintenance Using TDR The time doma
Page 153: MTU Size The Aggregator auto-config
Page 157 and 158: Figure 10-21 shows the auto-negotia
Page 159 and 160: Clearing Interface Counters The cou
Page 161 and 162: iSCSI Optimization 11 An Aggregator
Page 163 and 164: If no iSCSI traffic is detected for
Page 165 and 166: Displaying iSCSI Optimization Infor
Page 167 and 168: Link Aggregation The Aggregator aut
Page 169 and 170: LACP Example Figure 12-1 shows an e
Page 171 and 172: Figure 12-3. show lacp 128 Command
Page 173 and 174: Figure 12-5. show interfaces port-c
Page 175 and 176: Layer 2 The Aggregator supports CLI
Page 177 and 178: Figure 13-1. Redundant NICs with NI
Page 179 and 180: Link Layer Discovery Protocol (LLDP
Page 181 and 182: Organizationally Specific TLVs Orga
Page 183 and 184: TIA Organizationally Specific TLVs
Page 185 and 186: LLDP-MED Network Policies TLV A net
Page 187 and 188: LLDP Operation On an Aggregator, LL
Page 189 and 190: Figure 14-10. Viewing All Informati
Page 191 and 192: Debugging LLDP The debug lldp comma
Page 193 and 194: Table 14-8. LLDP System MIB Objects
Page 195 and 196: Table 14-10. LLDP-MED System MIB Ob
Page 197 and 198: Port Monitoring 15 The Aggregator s
Page 199 and 200: Figure 15-2 shows ports 0/25 and 0/
Page 201 and 202: In Figure 15-4, the host and server
Page 203 and 204: 16 Simple Network Management Protoc
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Dell Force10 supports RFC 4001, Tex
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Figure 16-6 shows the output for an
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Use dot3aCurAggFdbTable to fetch th
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Monitor Port-channels To check the
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The status of the MIBS is as follow
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Stacking Overview 17 An Aggregator
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Stack Master Election The stack ele
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Stacking Port Numbers By default, e
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Cabling Procedure The following cab
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Resetting a Unit on a Stack Use the
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Figure 17-19. show system Command E
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Troubleshooting a Switch Stack Trou
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Figure 17-27. show hardware stack-u
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Stack Unit in Card-Problem State Du
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Upgrading a Single Stack Unit Upgra
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Broadcast Storm Control 18 On the A
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System Time and Date 19 The Aggrega
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Setting the Time Zone Universal tim
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Setting Recurring Daylight Saving T
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Uplink Failure Detection (UFD) Upli
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Figure 20-2. Uplink Failure Detecti
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Show Command Syntax Description sho
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Debugging UFD on an Interface To en
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Upgrade Procedures 21 To view the r
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Debugging and Diagnostics The chapt
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Broadcast, unknown multicast, and D
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Auto-configured VLANs do not exist
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Figure 22-2. show system stack-unit
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Figure 22-3. Taking a Stack Unit Of
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Table 22-2. show hardware Commands
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Recognize an Over-Temperature Condi
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The simple network management proto
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Deciding to Tune Buffers Dell Force
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Figure 22-11. Displaying Buffer Pro
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Sample Buffer Profile Configuration
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Figure 22-14. Displaying Buffer Sta
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Displaying Stack Port Statistics Th
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Figure 22-19. Mini application core
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Standards Compliance This chapter c
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General IPv4 Protocols RFC# Full Na
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Network Management (continued) RFC#
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