Dell Force10 S4810P - Border Gateway Protocol

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Border Gateway Protocol | 173

Border Gateway Protocol

Platforms support BGP according to the following table:

This chapter is intended to provide a general description of Border Gateway Protocol version 4 (BGPv4) as

it is supported in the Force10 Operating System (FTOS).

This chapter includes the following topics:

• Protocol Overview

• Autonomous Systems (AS)

• Sessions and Peers

• Route Reflectors

• Confederations

• BGP Attributes

• Best Path Selection Criteria

• Weight

• Local Preference

• Multi-Exit Discriminators (MEDs)

• AS Path

• Next Hop

FTOS version Platform support

IPv4: 8.3.11.2

IPv6: 9.0.0.0

Z9000

8.3.7.0 S4810

8.1.1.0 E-Series ExaScale

7.8.1.0 S-Series

7.7.1.0. C-Series

pre-7.7.1.0 E-Series TeraScale

Main Page

Default Chapter3
- Table of Contents3
About this Guide29
- Objectives29
- Audience29
- Conventions29
- Information Symbols30
- Related Documents30
Configuration Fundamentals31
- Accessing the Command Line31
- CLI Modes32
  - Navigating CLI Modes33
- The Do Command36
- Undoing Commands36
- Obtaining Help37
- Entering and Editing Commands37
- Command History38
- Filtering Show Command Outputs39
- Multiple Users in Configuration Mode40
Getting Started41
- Console Access41
  - Serial Console41
- Default Configuration42
- Configure a Host Name43
- Access the System Remotely43
- Configure the Enable Password46
- Configuration File Management46
- File System Management51
- View Command History52
- Upgrading FTOS52
4 Management53
- Management53
- Configure Privilege Levels53
- Configure Logging57
- Log Messages in the Internal Buffer57
  - Configuration Task List for System Log Management57
- Disable System Logging58
- Send System Messages to a Syslog Server58
  - Configure a Unix System as a Syslog Server58
- Change System Logging Settings59
- Display the Logging Buffer and the Logging Configuration59
- Configure a UNIX Logging Facility Level60
- Synchronize Log Messages62
- Enable Timestamp on Syslog Messages62
- File Transfer Services63
  - Configuration Task List for File Transfer Services63
  - Configure Ftp Client Parameters64
- Terminal Lines65
  - Deny and Permit Access to a Terminal Line65
  - Configure Login Authentication for Terminal Lines65
- Time out of EXEC Privilege Mode67
- Telnet to Another Network Device67
- Lock CONFIGURATION Mode68
  - Viewing the Configuration Lock Status69
- Recovering from a Forgotten Password69
  - Recovering from a Forgotten Enable Password on the S481070
- Recovering from a Failed Start on the S481070
5 802.1Ag73
- Ethernet CFM73
- Maintenance Domains74
- Maintenance Points74
- Maintenance End Points75
- Implementation Information76
- Configure CFM76
- Related Configuration Tasks76
- Enable Ethernet CFM77
- Create a Maintenance Domain77
- Create a Maintenance Association78
- Create Maintenance Points78
- Continuity Check Messages80
  - Enable CCM81
  - Enable Cross-Checking82
- Loopback Message and Response82
- Linktrace Message and Response82
  - Link Trace Cache83
- Enable CFM SNMP Traps84
- Display Ethernet CFM Statistics85
6 802.1X88
- Configuring 802.1X90
  - Related Configuration Tasks90
  - Important Points to Remember91
- Enabling 802.1X91
- Configuring Request Identity Re-Transmissions92
  - Configuring a Quiet Period after a Failed Authentication93
- Forcibly Authorizing or Unauthorizing a Port94
- Re-Authenticating a Port95
  - Periodic Re-Authentication95
- Configuring Timeouts96
- Dynamic VLAN Assignment with Port Authentication98
- Guest and Authentication-Fail Vlans99
  - Configuring a Guest VLAN99
  - Configuring an Authentication-Fail VLAN100
Access Control Lists (Acls)103
- Overview103
- IP Access Control Lists (Acls)104
  - CAM Profiling, CAM Allocation, and CAM Optimization104
    - Cam Optimization106
    - Test Cam Usage106
  - Implementing Acls on FTOS107
- IP Fragment Handling108
  - Ip Fragments Acl Examples109
  - Layer 4 Acl Rules Examples109
- Configure a Standard IP ACL110
- Configure an Extended IP ACL113
  - Established Flag116
- Configuring Layer 2 and Layer 3 Acls on an Interface116
- Assign an IP ACL to an Interface117
  - Counting ACL Hits118
- Configuring Egress Acls119
  - Egress Layer 3 ACL Lookup for Control-Plane IP Traffic120
- Configuring Ingress Acls119
- Configuring Acls to Loopback121
  - Applying an ACL on Loopback Interfaces121
- IP Prefix Lists122
  - Configuration Task List for Prefix Lists123
    - Implementation Information123
    - Use a Prefix List for Route Redistribution126
- ACL Resequencing127
  - Resequencing an ACL or Prefix List128
- Route Maps130
  - Configuration Task List for Route Maps130
Bidirectional Forwarding Detection (BFD)139
- Protocol Overview139
- How BFD Works140
- Field Description142
- Configuring Bidirectional Forwarding Detection145
Border Gateway Protocol173
- Autonomous Systems (AS)174
- Protocol Overview174
- Sessions and Peers176
- Establishing a Session177
- Route Reflectors178
- Confederations179
- BGP Attributes179
- Multiprotocol BGP186
- Implementing BGP with FTOS186
- BGP Configuration195
- BGP Regular Expression Optimization239
- Debugging BGP239
Bare Metal Provisioning 3.0 (BMP 3.0)253
- Overview253
- BMP Process Overview254
- Important Information254
- Prerequisites254
- Preparing BMP255
- Reload Modes257
- Scripts259
- Configuration Tasks261
- Script Examples268
  - Auto-Execution Script - Normal Mode268
  - Pre-Configuration Script - BMP Mode271
Content Addressable Memory273
- CAM Profiles274
- Microcode275
- CAM Profiling for Acls276
- Boot Behavior277
  - Example: EF Line Card with EG Chassis Profile (Card Problem)278
  - Example: EH Line Card with EG Chassis Profile (Card Problem)278
- When to Use CAM Profiling278
  - Differences between Etherscale and Terascale279
  - Important Points to Remember279
- Select CAM Profiles279
- CAM Allocation280
- Test CAM Usage281
- View CAM Profiles281
- View CAM-ACL Settings282
- View CAM Usage284
- Configure Ipv4Flow Sub-Partitions284
- Configure Ingress Layer 2 ACL Sub-Partitions287
- Return to the Default CAM Configuration289
- CAM Optimization289
- Applications for CAM Profiling289
- Troubleshoot CAM Profiling290
  - CAM Profile Mismatches290
  - Qos CAM Region Limitation291
Control Plane Policing (Copp)293
- Overview293
- Configure Control Plane Policing294
Data Center Bridging (DCB)301
- Ethernet Enhancements in Data Center Bridging301
- Enabling Data Center Bridging306
- Qos Dot1P Traffic Classification and Queue Assignment307
- Configuring Priority-Based Flow Control308
  - Configuring Lossless Queues311
  - Configuring the PFC Buffer in a Switch Stack312
- Configuring Enhanced Transmission Selection313
- Applying DCB Policies in a Switch Stack321
- Configuring Dcbx Operation322
- Verifying DCB Configuration333
- PFC and ETS Configuration Examples346
S-Series Debugging and Diagnostics353
- Offline Diagnostics353
  - Running Offline Diagnostics354
  - Important Points to Remember354
- Trace Logs357
  - Auto Save on Crash or Rollover358
- Last Restart Reason358
- Hardware Watchdog Timer358
- Show Hardware Commands359
- Environmental Monitoring360
- Buffer Tuning362
- Troubleshooting Packet Loss368
- Application Core Dumps373
- Mini Core Dumps373
- TCP Dumps374
Dynamic Host Configuration Protocol (DHCP)377
- Protocol Overview377
- DHCP Packet Format and Options378
- Assigning an IP Address Using DHCP379
- Configure the System to be a DHCP Server380
- Configure the System to be a Relay Agent385
- Configure Secure DHCP387
- Configure the System for User Port Stacking387
Equal Cost Multi-Path (ECMP)397
- ECMP for Flow-Based Affinity397
- Managing ECMP Group Paths400
Enabling FIPS Cryptography401
- Preparing the System401
- Enabling FIPS Mode401
- Generating Host-Keys402
- Monitoring FIPS Mode Status403
- Disabling the FIPS Mode403
FIP Snooping405
- Fibre Channel over Ethernet405
- Ensuring Robustness in a Converged Ethernet Network405
- FIP Snooping on Ethernet Bridges407
- FIP Snooping in a Switch Stack409
- Configuring FIP Snooping409
- Displaying FIP Snooping Information413
- FIP Snooping Configuration Example418
Force10 Resilient Ring Protocol (FRRP)421
- Protocol Overview421
- Ring Status422
- Important FRRP Points423
- Multiple FRRP Rings423
- Important FRRP Concepts424
- FRRP Configuration425
- Implementing FRRP425
- Troubleshooting FRRP430
  - Configuration Checks430
  - Sample Configuration and Topology430
GARP VLAN Registration Protocol (GVRP)433
- Important Points to Remember433
- Protocol Overview433
- Configuring GVRP434
- Enabling GVRP Globally435
- Enabling GVRP on a Layer 2 Interface435
- Related Configuration Tasks435
- Configuring a GARP Timer436
- Configuring GVRP Registration436
High Availability439
- Component Redundancy440
  - RPM Redundancy440
- Online Insertion and Removal446
- Hitless Behavior449
- Graceful Restart450
- Software Resiliency450
- Hot-Lock Behavior452
- Warm Upgrade453
  - Configure Cache Boot454
- Process Restartability457
Internet Group Management Protocol (IGMP)459
- IGMP Implementation Information459
- IGMP Protocol Overview459
  - IGMP Version 2459
    - Joining a Multicast Group460
    - Leaving a Multicast Group460
  - IGMP Version 3461
    - Joining and Filtering Groups and Sources462
    - Leaving and Staying in Groups463
- Configuring IGMP464
- Related Configuration Tasks464
- Viewing IGMP Enabled Interfaces465
- Selecting an IGMP Version465
- Viewing IGMP Groups466
- Adjusting Timers466
  - Adjusting Query and Response Timers466
  - Adjusting the IGMP Querier Timeout Value467
- Configuring a Static IGMP Group467
  - Enabling IGMP Immediate-Leave467
- IGMP Snooping468
- Fast Convergence after MSTP Topology Changes470
- Designating a Multicast Router Interface470
Interfaces471
- Interface Types472
- View Basic Interface Information472
- Enable a Physical Interface474
- Physical Interfaces475
  - Configuration Task List for Physical Interfaces475
  - Overview of Layer Modes475
  - Configure Layer 2 (Data Link) Mode476
  - Configure Layer 3 (Network) Mode477
  - Management Interfaces478
  - Configure Management Interfaces on the E-Series, C-Series and the S4810478
  - Configure Management Interfaces on the S-Series480
- VLAN Interfaces481
- Loopback Interfaces482
- Null Interfaces482
- Port Channel Interfaces482
  - Port Channel Definition and Standards483
  - Port Channel Benefits483
  - Port Channel Implementation483
  - Configuration Task List for Port Channel Interfaces485
  - Create a Port Channel485
  - Add a Physical Interface to a Port Channel485
  - Reassign an Interface to a New Port Channel488
  - Add or Remove a Port Channel from a Vlan489
  - Configure Minimum Oper up Links in Port Channel489
  - Assign an Ip Address to a Port Channel490
  - Delete or Disable a Port Channel490
- Bulk Configuration495
  - Interface Range495
  - Bulk Configuration Examples495
- Interface Range Macros497
  - Define the Interface Range497
  - Choose an Interface-Range Macro497
- Monitor and Maintain Interfaces498
  - Maintenance Using TDR499
- Splitting QSFP Ports to SFP+ Ports500
  - Important Points500
- Link Debounce Timer501
  - Assign a Debounce Time to an Interface501
  - Important Points to Remember about Link Debounce Timer501
  - Disable Port on One SFM502
  - Disable Ports When One Only SFM Is Available (E300 Only)502
  - Show Debounce Times in an Interface502
- Link Dampening503
  - Enable Link Dampening503
  - Important Points to Remember503
- Ethernet Pause Frames505
- Link Bundle Monitoring505
  - Threshold Settings506
  - Enable Pause Frames507
- Configure MTU Size on an Interface508
- Port-Pipes509
- Auto-Negotiation on Ethernet Interfaces510
- View Advanced Interface Information512
  - Display Only Configured Interfaces512
  - Configure Interface Sampling Size513
  - Dynamic Counters515
Ipv4 Routing517
- IP Addresses517
  - Configuration Task List for IP Addresses518
- Directed Broadcast522
- Resolution of Host Names523
- ARP Learning Via Gratuitous ARP527
- ARP Learning Via ARP Request528
- Configurable ARP Retries529
- Icmp529
  - Configuration Task List for ICMP529
- UDP Helper530
- Configuring UDP Helper530
- Important Points to Remember about UDP Helper531
- Enabling UDP Helper531
- Configuring a Broadcast Address532
- Configurations Using UDP Helper532
- Troubleshooting UDP Helper535
Ipv6 Routing537
- Protocol Overview537
- Extended Address Space538
- Stateless Autoconfiguration538
- Ipv6 Header Fields539
- Ipv6 Headers539
- Extension Header Fields541
- Addressing543
- Implementing Ipv6 with FTOS544
- Icmpv6546
- Path MTU Discovery547
- Ipv6 Neighbor Discovery548
  - Ipv6 Neighbor Discovery of MTU Packets549
- Ipv6 Multicast549
- Qos for Ipv6549
- Configuration Task List for Ipv6550
- SSH over an Ipv6 Transport550
Iscsi Optimization561
- Iscsi Optimization Overview561
- Default Iscsi Optimization Values566
- Iscsi Optimization Prerequisites567
- Configuring Iscsi Optimization567
- Displaying Iscsi Optimization Information569
Intermediate System to Intermediate System571
- Protocol Overview571
- IS-IS Addressing572
- Multi-Topology IS-IS573
- Configure Metric Values595
- IS-IS Metric Styles595
- Sample Configuration599
Link Aggregation Control Protocol (LACP)603
- Introduction to Dynamic Lags and LACP603
- LACP Configuration Tasks605
- Shared LAG State Tracking608
  - Configure Shared LAG State Tracking608
  - Important Points about Shared LAG State Tracking610
- Configure LACP as Hitless610
- LACP Basic Configuration Example610
29 Layer 2621
- Layer621
- Managing the MAC Address Table621
- MAC Learning Limit623
- NIC Teaming628
  - MAC Move Optimization629
- Microsoft Clustering629
- Configuring Redundant Pairs632
  - Important Points about Configuring Redundant Pairs633
- Restricting Layer 2 Flooding635
- Far-End Failure Detection636
Link Layer Discovery Protocol (LLDP)641
- AB (LLDP) Overview641
  - Protocol Data Units641
- Optional Tlvs643
  - Management Tlvs643
  - Ieee Organizationally Specific Tlvs644
- TIA-1057 (LLDP-MED) Overview645
  - TIA Organizationally Specific Tlvs645
- Configuring LLDP649
- CONFIGURATION Versus INTERFACE Configurations650
- Enabling LLDP651
  - Disabling and Undoing LLDP651
- Advertising Tlvs652
- Viewing the LLDP Configuration653
- Viewing Information Advertised by Adjacent LLDP Agents654
- Configuring LLDPDU Intervals655
- Configuring Transmit and Receive Mode656
- Configuring a Time to Live657
- Debugging LLDP658
- Relevant Management Objects659
Multicast Source Discovery Protocol (MSDP)665
- Protocol Overview665
- Anycast RP666
- Implementation Information666
- Configuring Multicast Source Discovery Protocol667
- Related Configuration Tasks667
- Enable MSDP672
- Manage the Source-Active Cache672
- Accept Source-Active Messages that Fail the RFP Check674
- Limit the Source-Active Messages from a Peer676
- Prevent MSDP from Caching a Local Source677
- Prevent MSDP from Caching a Remote Source678
- Prevent MSDP from Advertising a Local Source679
- Log Changes in Peership States680
- Terminate a Peership680
- Clear Peer Statistics681
- Debug MSDP682
- MSDP with Anycast RP682
- MSDP Sample Configurations688
Multiple Spanning Tree Protocol (MSTP)693
- Protocol Overview693
- Configure Multiple Spanning Tree Protocol694
- Implementation Information694
  - Related Configuration Tasks694
- Add and Remove Interfaces695
- Enable Multiple Spanning Tree Globally695
- Create Multiple Spanning Tree Instances696
- Influence MSTP Root Selection697
- Interoperate with Non-FTOS Bridges697
- Modify Global Parameters698
- Modify Interface Parameters699
- Configure an Edgeport700
- Flush MAC Addresses after a Topology Change701
- MSTP Sample Configurations702
- Debugging and Verifying MSTP Configuration706
Multicast Features709
- Implementation Information709
- Enable IP Multicast709
- Multicast with ECMP710
- Implementation Information710
- First Packet Forwarding for Lossless Multicast711
- Multicast Policies712
  - Ipv4 Multicast Policies712
  - Ipv6 Multicast Policies717
- Multicast Traceroute719
Open Shortest Path First (Ospfv2 and Ospfv3)721
- Autonomous System (AS) Areas722
- Protocol Overview722
- Area Types723
- Networks and Neighbors724
- Router Types724
- Designated and Backup Designated Routers726
- Link-State Advertisements (Lsas)727
- Virtual Links728
- Router Priority and Cost728
- Implementing OSPF with FTOS729
- Configuration Task List for Ospfv2 (OSPF for Ipv4)734
- Configuration Information734
- Sample Configurations for Ospfv2755
  - Basic Ospfv2 Router Topology755
- Configuration Task List for Ospfv3 (OSPF for Ipv6)756
PIM Sparse-Mode (PIM-SM)777
- Implementation Information777
- Protocol Overview777
- Refusing Multicast Traffic778
- Requesting Multicast Traffic778
- Sending Multicast Traffic778
- Configure PIM-SM779
  - Important Points to Remember779
  - Related Configuration Tasks779
- Enable PIM-SM780
- Configurable S,G Expiry Timers781
- Configure a Static Rendezvous Point782
  - Override Bootstrap Router Updates783
- Configure a Designated Router783
- Create Multicast Boundaries and Domains784
- PIM-SM Graceful Restart784
- Monitoring PIM785
Port Monitoring787
- Important Points to Remember787
- Port Monitoring on E-Series788
  - E-Series Terascale788
  - E-Series Exascale789
- Port Monitoring on C-Series and S-Series789
- Configuring Port Monitoring792
- Flow-Based Monitoring793
Private Vlans (PVLAN)795
- Private VLAN Concepts795
- Private VLAN Commands797
- Private VLAN Configuration Task List798
- Private VLAN Configuration Example801
- Inspecting the Private Vlan Configuration802
Per-VLAN Spanning Tree Plus (PVST+)805
- Protocol Overview805
- Configure Per-VLAN Spanning Tree Plus806
  - Implementation Information806
  - Related Configuration Tasks806
- Enable PVST807
  - Disable PVST807
  - Influence PVST+ Root Selection807
- Modify Global PVST+ Parameters809
- Modify Interface PVST+ Parameters810
- Configure an Edgeport811
- PVST+ in Multi-Vendor Networks812
- PVST+ Extended System ID812
- PVST+ Sample Configurations813
Quality of Service (Qos)817
- Port-Based Qos Configurations819
- Policy-Based Qos Configurations824
- Qos Rate Adjustment835
- Strict-Priority Queueing836
- Weighted Random Early Detection836
- Pre-Calculating Available Qos CAM Space840
Routing Information Protocol (RIP)843
- Protocol Overview843
- Ripv1843
- Configuration Information844
- Configuration Task List for RIP844
- Implementation Information844
- Ripv2844
- RIP Configuration Example852
Remote Monitoring (RMON)859
- Implementation859
- Fault Recovery860
Rapid Spanning Tree Protocol (RSTP)865
- Configuring Rapid Spanning Tree865
- Configure Interfaces for Layer 2 Mode867
- Enable Rapid Spanning Tree Protocol Globally868
- Influence RSTP Root Selection874
- Fast Hellos for Link State Detection875
- SNMP Traps for Root Elections and Topology Changes875
Security877
- AAA Accounting877
- AAA Authentication880
  - Configuration Task List for AAA Authentication880
    - Configure Aaa Authentication Login Methods881
    - Enable Aaa Authentication882
- AAA Authorization883
  - Privilege Levels Overview883
  - Configuration Task List for Privilege Levels884
    - Configure the Enable Password Command885
    - Configure Custom Privilege Levels885
- Radius888
  - RADIUS Authentication and Authorization889
  - Configuration Task List for RADIUS890
    - Apply the Method List to Terminal Lines891
    - Specify a Radius Server Host891
- Tacacs893
- Protection from TCP Tiny and Overlapping Fragment Attacks897
- Telnet903
- Trace Lists904
  - Configuration Tasks for Trace Lists904
- VTY Line and Access-Class Configuration910
Service Provider Bridging913
- VLAN Stacking913
- VLAN Stacking Packet Drop Precedence924
- Dynamic Mode Cos for VLAN Stacking926
- Provider Backbone Bridging933
Sflow935
- Overview935
- Implementation Information936
- Important Points to Remember936
- Enable and Disable Sflow937
  - Enable and Disable on an Interface937
- Sflow Show Commands938
- Polling Intervals940
- Sampling Rate940
  - Sub-Sampling941
- Specify Collectors940
- Back-Off Mechanism942
- Extended Sflow942
- Sflow on LAG Ports942
- Important Points to Remember943
Simple Network Management Protocol (SNMP)945
- Configure Simple Network Management Protocol945
  - Implementation Information945
  - Protocol Overview945
- Setting up SNMP946
- Read Managed Object Values949
- Configure Contact and Location Information Using SNMP950
- Write Managed Object Values950
- Subscribe to Managed Object Value Updates Using SNMP951
- Copy Configuration Files Using SNMP955
- Manage Vlans Using SNMP961
- Managing Overload on Startup965
- Enable and Disable a Port Using SNMP966
- Fetch Dynamic MAC Entries Using SNMP966
- Deriving Interface Indices968
- Monitor Port-Channels969
- Troubleshooting SNMP Operation970
Stacking971
- S-Series Stacking Overview971
- S-Series Stacking Installation Tasks980
- S-Series Stacking Configuration Tasks989
- Verifying a Stack Configuration993
  - LED Status Indicators on an S4810 Stack993
  - Display Status of Stacking Ports994
- Removing Units or Front End Ports from a Stack995
  - Remove a Unit from an S-Series Stack995
  - Remove Front End Port Stacking996
- Troubleshoot an S-Series Stack997
Storm Control1001
- Configure Storm Control1001
  - Configure Storm Control from INTERFACE Mode1001
  - Configure Storm Control from CONFIGURATION Mode1002
Spanning Tree Protocol (STP)1003
- Configuring Spanning Tree1003
  - Protocol Overview1003
  - Related Configuration Tasks1003
- Configuring Interfaces for Layer 2 Mode1004
- Important Points to Remember1004
- Enabling Spanning Tree Protocol Globally1006
- Adding an Interface to the Spanning Tree Group1008
- Removing an Interface from the Spanning Tree Group1008
- Modifying Global Parameters1009
- Enabling Portfast1010
  - Preventing Network Disruptions with BPDU Guard1011
- Modifying Interface STP Parameters1010
- STP Root Selection1013
- STP Root Guard1014
  - Root Guard Scenario1014
  - Root Guard Configuration1016
- SNMP Traps for Root Elections and Topology Changes1016
- Configuring Spanning Trees as Hitless1017
- STP Loop Guard1017
  - Loop Guard Scenario1017
  - Loop Guard Configuration1020
- Displaying STP Guard Configuration1021
System Time and Date1023
- Network Time Protocol1023
- FTOS Time and Date1031
  - Configuring Time and Date Settings1031
  - Set Daylight Saving Time1034
    - Set Daylight Saving Time Once1035
    - Set Recurring Daylight Saving Time1036
Uplink Failure Detection (UFD)1039
- Feature Description1039
- How Uplink Failure Detection Works1040
- UFD and NIC Teaming1041
- Important Points to Remember1042
- Configuring Uplink Failure Detection1043
- Clearing a UFD-Disabled Interface1044
- Displaying Uplink Failure Detection1046
Upgrade Procedures1051
- Find the Upgrade Procedures1051
- Get Help with Upgrades1051
Virtual Lans (VLAN)1053
- Default VLAN1054
- Port-Based Vlans1055
- Vlans and Port Tagging1055
- Configuration Task List for Vlans1056
- Assign Interfaces to a Vlan1057
- VLAN Interface Counters1060
- Native Vlans1061
- Enable Null VLAN as the Default VLAN1062
Virtual Link Trunking (VLT)1063
- Overview1063
  - Enhanced VLT1065
- VLT Concepts Terminology1065
- Configuring Virtual Link Trunking1066
- RSTP Configuration1074
  - VLT Configuration Procedure1075
- Verifying a VLT Configuration1089
- Sample Configuration: Virtual Link Trunking1091
- Troubleshooting VLT1094
Virtual Router Redundancy Protocol (VRRP)1097
- VRRP Overview1097
- VRRP Benefits1099
- VRRP Implementation1099
- VRRP Configuration1101
  - Configuration Task List for VRRP1101
  - VRRP Initialization Delay1111
- Sample Configurations1112
Standards Compliance1123
- IEEE Compliance1123
- RFC and I-D Compliance1124

Dell Force10 S4810P - Border Gateway Protocol

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