8.3.17.0 - Force10 Networks

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www.dell.com | support.dell.com Important Points to Remember UFD operates as follows on an Aggregator: • Uplink-state group 1 is created by default with the uplink LAG 128 as the upstream interface and all server ports as downstream interfaces. When the uplink LAG goes down, all server interfaces are brought down and placed in UFD error-disabled state. When the uplink LAG comes up again, server interfaces are brought up (Oper UP) and the error-disabled state is cleared. • A defer timer of 10 seconds is enabled in the uplink-state group. This defer timer prevents unwanted flapping of server ports when the uplink LAG flaps. The defer timer is also helpful in scenarios similar to this one: The uplink LAG consists of ports connected to two ToR switches. The currently active LAG goes down. Without the defer timer, the server ports would be shut down before even trying to bring up the LAG with the second ToR switch. • To enable the debug messages for events related to a specified uplink-state group or all groups, enter the debug uplink-state-group [group-id] command, where group-id is 1 to 16. To turn off debugging event messages, enter the no debug uplink-state-group [group-id] command. Displaying Uplink Failure Detection To display information on the Uplink Failure Detection feature, enter any of the following show commands: Show Command Syntax Description show uplink-state-group [group-id] [detail] Command Mode: EXEC show interfaces interface Command Mode: EXEC 232 | Uplink Failure Detection (UFD) Displays status information on a specified uplink-state group or all groups. Valid group-id values are 1 to 16. detail displays additional status information on the upstream and downstream interfaces in each group (see Figure 20-3). Displays the current status of a port or port-channel interface assigned to an uplink-state group. interface specifies one of the following interface types: 10-Gigabit Ethernet: Enter tengigabitethernet slot/port. 40-Gigabit Ethernet: Enter fortygigabitethernet slot/port. Port channel: Enter port-channel {1-512}. If a downstream interface in an uplink-state group has been disabled (Oper Down state) by uplink-state tracking because an upstream port went down, the message error-disabled[UFD] is displayed in the output (see Figure 20-4).
Show Command Syntax Description show running-config uplink-state-group [group-id] Command Mode: EXEC Or show configuration Command Mode: UPLINK-STATE-GROUP Figure 20-3. show uplink-state-group Command Output FTOS# show uplink-state-group Uplink State Group: 1 Status: Enabled, Down FTOS# FTOS#show uplink-state-group 1 Uplink State Group: 1 Status: Enabled, Down FTOS# FTOS#show uplink-state-group detail Displays the current configuration of all uplink-state groups (Figure 20-5) or a specified group. Valid group-id values are 1 to 16. (Up): Interface up (Dwn): Interface down (Dis): Interface disabled Uplink State Group : 1 Status: Enabled, Down Defer Timer : 10 sec Upstream Interfaces : Po 128(Dwn) Downstream Interfaces : Te 0/1(Dis) Te 0/2(Dis) Te 0/3(Dis) Te 0/4(Dis) Te 0/5(Dis) Te 0/6(Dis) Te 0/7(Dis) Te 0/8(Dis) Te 0/9(Dis) Te 0/10(Dis) Te 0/11(Dis) Te 0/12(Dis) Te 0/13(Dis) Te 0/14(Dis) Te 0/15(Dis) Te 0/16(Dis) Te 0/17(Dis) Te 0/18(Dis) Te 0/19(Dis) Te 0/20(Dis) Te 0/21(Dis) Te 0/22(Dis) Te 0/23(Dis) Te 0/24(Dis) Te 0/25(Dis) Te 0/26(Dis) Te 0/27(Dis) Te 0/28(Dis) Te 0/29(Dis) Te 0/30(Dis) Te 0/31(Dis) Te 0/32(Dis) Te 1/1(Dis) Te 1/2(Dis) Te 1/3(Dis) Te 1/4(Dis) Te 1/5(Dis) Te 1/6(Dis) Te 1/7(Dis) Te 1/8(Dis) Te 1/9(Dis) Te 1/10(Dis) Te 1/11(Dis) Te 1/12(Dis) Te 1/13(Dis) Te 1/14(Dis) Te 1/15(Dis) Te 1/16(Dis) Te 1/17(Dis) Te 1/18(Dis) Te 1/19(Dis) Te 1/20(Dis) Te 1/21(Dis) Te 1/22(Dis) Te 1/23(Dis) Te 1/24(Dis) Te 1/25(Dis) Te 1/26(Dis) Te 1/27(Dis) Te 1/28(Dis) Te 1/29(Dis) Te 1/30(Dis) Te 1/31(Dis) Te 1/32(Dis) Uplink Failure Detection (UFD) | 233
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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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DHCP Client on a Management Interfa
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FIP Snooping 8 FIP snooping is auto
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Figure 8-1. FIP discovery and login
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The following sections describe how
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FIP Snooping Prerequisites On an Ag
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Figure 8-3. show fip-snooping sessi
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Figure 8-7. show fip-snooping stati
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Table 8-5. show fip-snooping statis
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FIP Snooping Example Figure 8-11 sh
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Internet Group Management Protocol
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IGMP Version 3 Conceptually, IGMP v
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Leaving and Staying in Groups Figur
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Figure 9-6. show ip igmp groups Com
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Interfaces 10 This chapter describe
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Viewing Interface Information You c
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Disabling and Re-enabling a Physica
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The Aggregator supports the managem
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Configuring a Static Route for a Ma
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Port-Based VLANs Port-based VLANs a
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Displaying VLAN Membership To view
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Adding an Interface to an Untagged
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Port channels can contain a mix of
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Figure 10-12. show interface port-c
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Create a Multiple-Range Figure 10-1
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Maintenance Using TDR The time doma
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MTU Size The Aggregator auto-config
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Figure 10-19. show interfaces statu
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Figure 10-21 shows the auto-negotia
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Clearing Interface Counters The cou
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iSCSI Optimization 11 An Aggregator
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If no iSCSI traffic is detected for
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Displaying iSCSI Optimization Infor
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Link Aggregation The Aggregator aut
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LACP Example Figure 12-1 shows an e
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Figure 12-3. show lacp 128 Command
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Figure 12-5. show interfaces port-c
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Layer 2 The Aggregator supports CLI
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Figure 13-1. Redundant NICs with NI
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Link Layer Discovery Protocol (LLDP
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Organizationally Specific TLVs Orga
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TIA Organizationally Specific TLVs
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LLDP-MED Network Policies TLV A net
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LLDP Operation On an Aggregator, LL
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Figure 14-10. Viewing All Informati
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Debugging LLDP The debug lldp comma
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Table 14-8. LLDP System MIB Objects
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Page 203 and 204: 16 Simple Network Management Protoc
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Page 209 and 210: Use dot3aCurAggFdbTable to fetch th
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Page 265 and 266: Recognize an Over-Temperature Condi
Page 267 and 268: The simple network management proto
Page 269 and 270: Deciding to Tune Buffers Dell Force
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Page 273 and 274: Sample Buffer Profile Configuration
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Page 277 and 278: Displaying Stack Port Statistics Th
Page 279 and 280: Figure 22-19. Mini application core
Page 281 and 282: Standards Compliance This chapter c
Page 283 and 284: General IPv4 Protocols RFC# Full Na
Page 285 and 286: Network Management (continued) RFC#
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