8.3.17.0 - Force10 Networks

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www.dell.com | support.dell.com How IGMP Snooping is Implemented on an Aggregator • IGMP snooping is enabled by default on the switch. • FTOS supports version 1, version 2, and version 3 hosts. • FTOS IGMP snooping is based on the IP multicast address (not on the Layer 2 multicast MAC address). IGMP snooping entries are stored in the Layer 3 flow table instead of in the Layer 2 forwarding information base (FIB). • FTOS IGMP snooping is based on draft-ietf-magma-snoop-10. • IGMP snooping is supported on all M I/O Aggregator stack members. • A maximum of 8k groups and 4k virtual local area networks (VLAN) are supported. • IGMP snooping is not supported on the default VLAN interface. • Flooding of unregistered multicast traffic is enabled by default. • Queries are not accepted from the server side ports and are only accepted from the uplink LAG. • Reports and Leaves are flooded by default to the uplink LAG irrespective of whether it is an mrouter port or not. Disabling Multicast Flooding If the switch receives a multicast packet that has an IP address of a group it has not learned (unregistered frame), the switch floods that packet out of all ports on the VLAN. To disable multicast flooding on all VLAN ports, enter the no ip igmp snooping flood command in global configuration mode. When multicast flooding is disabled, unregistered multicast data traffic is forwarded to only multicast router ports on all VLANs. If there is no multicast router port in a VLAN, unregistered multicast data traffic is dropped. Displaying IGMP Information Use the show commands in Table 9-1 to display information on IGMP. If you specify a group address or interface: • Enter a group address in dotted decimal format; for example, 225.0.0.0. • Enter an interface in one of the following formats: tengigabitethernet slot/port, port-channel port-channel-number, or vlan vlan-number. Table 9-1. Displaying IGMP Information Command Output show ip igmp groups [group-address [detail] | detail | interface [group-address [detail]] (Figure 9-6) 112 | Internet Group Management Protocol (IGMP) Displays information on IGMP groups. show ip igmp interface [interface] (Figure 9-7) Displays IGMP information on IGMP-enabled interfaces. show ip igmp snooping mrouter [vlan vlan-number] (Figure 9-8) Displays information on IGMP-enabled multicast router (mrouter) interfaces. clear ip igmp groups [group-address | interface] Clears IGMP information for group addresses and IGMP-enabled interfaces.
Figure 9-6. show ip igmp groups Command Example FTOS# show ip igmp groups Total Number of Groups: 2 IGMP Connected Group Membership Group Address Interface Mode Uptime Expires Last Reporter 226.0.0.1 Vlan 1500 INCLUDE 00:00:19 Never 1.1.1.2 226.0.0.1 Vlan 1600 INCLUDE 00:00:02 Never 1.1.1.2 FTOS#show ip igmp groups detail Interface Vlan 1500 Group 226.0.0.1 Uptime 00:00:21 Expires Never Router mode INCLUDE Last reporter 1.1.1.2 Last reporter mode INCLUDE Last report received IS_INCL Group source list Source address Uptime Expires 1.1.1.2 00:00:21 00:01:48 Member Ports: Po 1 Interface Vlan 1600 Group 226.0.0.1 Uptime 00:00:04 Expires Never Router mode INCLUDE Last reporter 1.1.1.2 Last reporter mode INCLUDE Last report received IS_INCL Group source list Source address Uptime Expires 1.1.1.2 00:00:04 00:02:05 Member Ports: Po 1 FTOS# Internet Group Management Protocol (IGMP) | 113
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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
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 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: Leaving and Staying in Groups Figur
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
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
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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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8.3.17.0 - Force10 Networks

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