8.3.17.0 - Force10 Networks

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www.dell.com | support.dell.com 206 | Stacking Stacking Prerequisites Before you cable and configure a stack of Aggregators, review the following prerequisites: • All Aggregators in the stack must be powered up with the initial or startup configuration before you attach the cables. • All stacked Aggregators must run the same FTOS version. The minimum FTOS version required is <strong>8.3.17.0</strong>. To check the FTOS version that a switch is running, use the show version command. To download an FTOS version, go to http://support.dell.com. • Stacking is supported only with other Aggregators. A maximum of two Aggregators is supported in a single stack. You cannot stack the Aggregator with MXL 10/40GbE Switches or another type of switch. • A maximum of two stack groups (40GbE ports) is supported on a stacked Aggregator. • Interconnect the stack units by following the instructions in Cabling Stacked Switches. Cabling Stacked Switches Before you configure Aggregators in a stack, connect the 40G direct attach or QSFP cables and transceivers to connect 40GbE ports on two Aggregators in the same chassis. Cabling Restrictions The following restrictions apply when setting up a stack of Aggregators: • Only daisy-chain or ring topologies are supported; star and full mesh topologies are not supported. • Stacking is supported only on 40GbE links by connecting 40GbE ports on the base module. Stacking is not supported on 10GbE ports or 4x10GbE ports. • Use only QSFP transceivers and QSFP or direct attach cables (purchased separately) to connect stacking ports. Cabling Redundancy Connect the units in a stack with two or more stacking cables to avoid a stacking port or cable failure. Removing one of the stacked cables between two stacked units does not trigger a reset.
Cabling Procedure The following cabling procedure uses the stacking topology in Figure 17-15. To connect the cabling: 1. Connect a 40GbE base port on the first Aggregator to a 40GbE base port on another Aggregator in the same chassis. 2. Connect a 40GbE base port on the second Aggregator to a 40GbE port on the first 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 last switch to the first switch (Step 4), the stack operates in a daisy chain topology with less resiliency. Any failure in a non-edge stack unit causes a split stack. Accessing the CLI To configure a stack, you must access the stack master in one of the following ways: • For remote out-of-band management (OOB), enter the OOB management interface IP address into a Telnet or secure shell (SSH) client and log in to the switch using the user ID and password to access the CLI. • For local management, use the attached console connection to the master switch to log in to the CLI. Console access to the stack CLI is available on the master only. • For remote in-band management from a network management station, enter the virtual local area network (VLAN) IP address of the management port and log in to the switch to access the CLI. Configuring and Bringing Up a Stack After you attach the 40G QSFP or direct attach cables in a stack of Aggregators, to bring up the stack, follow these steps. Note: The procedure uses command examples for the stacking topology in Figure 17-15. Step Task Command Syntax Command Mode 1 Set up a connection to the CLI on an Aggregator as described in Accessing the CLI. 2 Log on to the CLI and enter Global Configuration mode. Login: username Password: ***** FTOS> enable FTOS# configure 3 Configure the Aggregator to operate in stacking mode. stack-unit 0 iom-mode stack CONFIGURATION 4 Repeat Steps 1 to 3 on the second Aggregator in the stack. 5 Log on to the CLI and reboot each switch, one after another, in as short a time as possible. reload EXEC PRIVILEGE --- Stacking | 207
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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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Page 175 and 176: Layer 2 The Aggregator supports CLI
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Page 191 and 192: Debugging LLDP The debug lldp comma
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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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