8.3.17.0 - Force10 Networks

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www.dell.com | support.dell.com Debugging FIP Snooping 106 | FIP Snooping To enable debug messages for FIP snooping events, enter the debug fip-snooping command. Task Command Command Mode Enable FIP snooping debugging on for all or a specified event type, where: all enables all debugging options. acl enables debugging only for ACL-specific events. error enables debugging only for error conditions. ifm enables debugging only for IFM events. info enables debugging only for information events. ipc enables debugging only for IPC events. rx enables debugging only for incoming packet traffic. debug fip-snooping [all | acl | error | ifm | info | ipc | rx] To turn off debugging event messages, enter the no debug fip-snooping command. EXEC PRIVILEGE
Internet Group Management Protocol (IGMP) 9 On an Aggregator, IGMP snooping is auto-configured. You can display information on IGMP by using show commands. Multicast is based on identifying many hosts by a single destination IP address. Hosts represented by the same IP address are a multicast group. The internet group management protocol (IGMP) is a Layer 3 multicast protocol that hosts use to join or leave a multicast group. Multicast routing protocols (such as protocol-independent multicast [PIM]) use the information in IGMP messages to discover which groups are active and to populate the multicast routing table. This chapter contains the following sections: • IGMP Overview • IGMP Snooping IGMP Overview IGMP has three versions. Version 3 obsoletes and is backwards-compatible with version 2; version 2 obsoletes version 1. IGMP Version 2 IGMP version 2 improves upon version 1 by specifying IGMP Leave messages, which allows hosts to notify routers that they no longer care about traffic for a particular group. Leave messages reduce the amount of time that the router takes to stop forwarding traffic for a group to a subnet (leave latency) after the last host leaves the group. In version 1 hosts quietly leave groups, and the router waits for a query response timer several times the value of the query interval to expire before it stops forwarding traffic. To receive multicast traffic from a particular source, a host must join the multicast group to which the source is sending traffic. A host that is a member of a group is called a “receiver.” A host may join many groups, and may join or leave any group at any time. A host joins and leaves a multicast group by sending an IGMP message to its IGMP querier. The querier is the router that surveys a subnet for multicast receivers and processes survey responses to populate the multicast routing table. IGMP messages are encapsulated in IP packets (Figure 9-1). Internet Group Management Protocol (IGMP) | 107
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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
Page 69 and 70: Data Center Bridging Exchange Proto
Page 71 and 72: QoS dot1p Traffic Classification an
Page 73 and 74: How Enhanced Transmission Selection
Page 75 and 76: DCB Policies in a Switch Stack A DC
Page 77 and 78: Note: On a DCBX port, application p
Page 79 and 80: Auto-Detection of the DCBX Version
Page 81 and 82: DCBX Error Messages An error in DCB
Page 83 and 84: Figure 6-7. show interfaces pfc sum
Page 85 and 86: Table 6-3. show interface pfc summa
Page 87 and 88: Table 6-4. show interface ets detai
Page 89 and 90: Figure 6-12. show interface dcbx de
Page 91 and 92: Example: PFC and ETS Operation This
Page 93 and 94: Table 6-8. Example: priority group-
Page 95 and 96: Skippy812 Dynamic Host Configuratio
Page 97 and 98: Assigning an IP Address Using DHCP
Page 99 and 100: Releasing and Renewing DHCP-based I
Page 101 and 102: Figure 7-5. DHCP Client: Debug Mess
Page 103 and 104: DHCP Client on a Management Interfa
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: FIP Snooping Example Figure 8-11 sh
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 and 154: MTU Size The Aggregator auto-config
Page 155 and 156: Figure 10-19. show interfaces statu
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
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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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Table 14-10. LLDP-MED System MIB Ob
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Port Monitoring 15 The Aggregator s
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Figure 15-2 shows ports 0/25 and 0/
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In Figure 15-4, the host and server
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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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