Alcatel-Lucent OmniSwitch AOS Release 7

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MC-LAG Topologies Configuring Multi-chassis Link Aggregation

page 8-14 OmniSwitch AOS Release 7 Network Configuration Guide March 2011

MC-LAG at the L2 Core

MC-LAG at the Aggregation Layer

In the topology shown below, edge switches are connected through MC-LAG and core switches are dual

attached.

MC-LAG at the Aggregation Layer

MC-LAG

L2 Bridging

MC-LAG

L2 Bridging

L3 Routing

MC-LAG

Layer 3 devices are

dual-attached (ECMP

routing) to the MC-LAG

core, but NOT via

MC-LAG aggregates.

Main Page

Default Chapter3
- Table of Contents3
About this Guide23
- Supported Platforms23
- When Should I Read this Manual23
- Who Should Read this Manual23
- How Is the Information Organized24
- What Is in this Manual24
- What Is Not in this Manual24
- Documentation Roadmap25
- Related Documentation27
- Technical Support28
Chapter 1 Configuring Ethernet Ports29
- In this Chapter29
- Ethernet Specifications30
- Ethernet Port Defaults30
- Ethernet Ports Overview31
  - Valid Port Settings31
- Configuring Ethernet Port Parameters31
Chapter 2 Configuring UDLD37
- In this Chapter37
- UDLD Specifications38
- UDLD Defaults38
- Quick Steps for Configuring UDLD39
- UDLD Overview40
  - UDLD Operational Mode40
  - Mechanisms to Detect Unidirectional Links41
- Configuring UDLD42
- Verifying the UDLD Configuration44
- In this Chapter45
Chapter 3 Managing Source Learning46
- Source Learning Specifications46
- Source Learning Defaults46
- MAC Address Table Overview47
- Using Static MAC Addresses47
  - Configuring Static MAC Addresses48
- Using Static Multicast MAC Addresses49
  - Configuring Static Multicast MAC Addresses49
  - Static Multicast Mac Addresses on Link Aggregate Ports50
- Configuring MAC Address Table Aging Time51
- Configuring the Source Learning Status52
- Increasing the MAC Address Table Size53
- Displaying Source Learning Information54
Chapter 4 Configuring Vlans55
- In this Chapter55
- VLAN Specifications56
- VLAN Defaults56
- Sample VLAN Configuration57
- VLAN Management Overview58
- Creating/Modifying Vlans58
- Assigning Ports to Vlans60
  - Changing the Default VLAN Assignment for a Port61
  - Using 802.1Q Tagging61
- Enabling/Disabling Spanning Tree for a VLAN63
- Enabling/Disabling Source Learning63
- Configuring VLAN Router Interfaces64
- Bridging Vlans Across Multiple Switches65
Configuring Vlans55
Chapter 26 Diagnosing Switch Problems67
- Verifying the VLAN Configuration67
  - Understanding Port Output67
Chapter 5 Configuring Spanning Tree Parameters69
- In this Chapter70
- Spanning Tree Specifications71
- Spanning Tree Bridge Parameter Defaults72
- Spanning Tree Port Parameter Defaults72
- Multiple Spanning Tree (MST) Region Defaults73
- Spanning Tree Overview74
  - How the Spanning Tree Topology Is Calculated74
  - Topology Examples78
- MST General Overview80
- Spanning Tree Operating Modes88
- Using Spanning Tree Configuration Commands93
- Configuring STP Bridge Parameters94
- Configuring STP Port Parameters101
- Sample Spanning Tree Configuration112
  - Example Network Overview112
  - Example Network Configuration Steps113
- Sample MST Region Configuration115
- Sample MSTI Configuration117
- Verifying the Spanning Tree Configuration120
Chapter 6 Configuring Static Link Aggregation121
- In this Chapter121
- Static Link Aggregation Specifications122
- Static Link Aggregation Default Values122
- Quick Steps for Configuring Static Link Aggregation123
- Static Link Aggregation Overview125
  - Static Link Aggregation Operation125
  - Relationship to Other Features126
- Configuring Static Link Aggregation Groups126
- Modifying Static Aggregation Group Parameters129
  - Modifying the Static Aggregate Group Name129
  - Modifying the Static Aggregate Group Administrative State129
- Application Example130
- Displaying Static Link Aggregation Configuration and Statistics131
Configuring Static Link Aggregation121
Chapter 7 Configuring Dynamic Link Aggregation133
- In this Chapter133
- Dynamic Link Aggregation Specifications134
- Dynamic Link Aggregation Default Values135
- Quick Steps for Configuring Dynamic Link Aggregation136
- Dynamic Link Aggregation Overview138
  - Dynamic Link Aggregation Operation138
  - Relationship to Other Features140
- Configuring Dynamic Link Aggregate Groups140
- Modifying Dynamic Link Aggregate Group Parameters144
- Application Examples159
- Displaying Dynamic Link Aggregation Configuration and Statistics162
Configuring Dynamic Link Aggregation133
Configuring Multi-Chassis Link Aggregation165
Chapter 8 Configuring Multi-Chassis Link Aggregation166
- In this Chapter166
- Multi-Chassis Link Aggregation Specifications167
- Multi-Chassis Link Aggregation Default Values168
- Quick Steps for Configuring MC-LAG169
MC-LAG Overview173
- MC-LAG Concepts and Components173
- Benefits of MC-LAG174
- MC-LAG Principle175
- MC-LAG Loop Detection176
MC-LAG Topologies177
- Basic MC-LAG Building Block177
- Recommended Topologies177
- Topologies Not Recommended179
- Unsupported Topologies179
MC-LAG Packet Flow182
- Layer 2 Switching over MC-LAG182
Interaction with Other Features185
- Spanning Tree Protocol185
- Ethernet Ring Protection185
- Link Aggregation185
- Multicast185
- Source Learning185
- Ipv4185
Configuring MC-LAG186
- MC-LAG Configuration Guidelines186
- Configuring the Chassis-ID188
- Configuring the IPC-VLAN188
- Configuring the Hello-Interval188
- Configuring Aggregate Identifier Ranges188
- Creating the Virtual Fabric Link (VFL)189
- Configuring MC-LAG Aggregates189
- Configuring the VIP VLAN189
- Recommended Configuration Parameters190
  - Verifying Parameter Consistency190
MC-LAG Configuration Example192
Displaying MC-LAG Configuration and Statistics194
Chapter 9 Configuring ERP195
- In this Chapter195
- ERP Specifications196
- ERP Defaults196
- ERP Overview197
- Interaction with Other Features202
- Quick Steps for Configuring ERP with Standard Vlans203
- Quick Steps for Configuring ERP with VLAN Stacking204
- ERP Configuration Overview and Guidelines205
- Configuring an ERP Ring206
- Sample Ethernet Ring Protection Configuration211
  - Example ERP Overview211
  - Example ERP Configuration Steps212
- Verifying the ERP Configuration213
Chapter 10 Configuring 802.1AB215
- In this Chapter215
- 802.1AB Specifications216
- 802.1AB Defaults Table216
- Quick Steps for Configuring 802.1AB216
- Quick Steps for Configuring LLDP-MED Network Policy218
  - LLDP-MED Network Policy for Fixed Ports218
- 802.1AB Overview219
- Configuring 802.1AB224
- Verifying 802.1AB Configuration228
10 Configuring 802.1AB215
Chapter 11 Configuring IP229
- In this Chapter229
- IP Specifications231
- IP Defaults231
- Quick Steps for Configuring IP Forwarding232
- IP Overview233
  - IP Protocols233
Chapter 20 Configuring IP Multicast Switching234
- IP Forwarding235
- IP Configuration244
- Managing IP257
- Tunneling262
- Verifying the IP Configuration265
Chapter 12 12 Configuring Multiple VRF267
- In this Chapter267
- VRF Specifications268
- VRF Defaults268
- Quick Steps for Configuring Multiple VRF269
- Multiple VRF Overview272
- VRF Interaction with Other Features275
- Configuring VRF Instances278
- Verifying the VRF Configuration281
Chapter 13 Configuring Ipv6283
- In this Chapter283
- Ipv6 Specifications284
- Ipv6 Defaults285
- Quick Steps for Configuring Ipv6 Routing286
- Ipv6 Overview287
- Configuring an Ipv6 Interface295
- Assigning Ipv6 Addresses297
  - Removing an Ipv6 Address298
- Configuring Ipv6 Tunnel Interfaces299
- Creating an Ipv6 Static Route300
- Configuring the Route Preference of a Router301
- Configuring Route Map Redistribution302
- Verifying the Ipv6 Configuration308
13 Configuring Ipv6283
Chapter 14 Configuring Ipsec309
- In this Chapter309
- Ipsec Specifications310
- Ipsec Defaults310
- Quick Steps for Configuring an Ipsec AH Policy311
- Quick Steps for Configuring an Ipsec Discard Policy312
- Ipsec Overview312
- Configuring Ipsec on the Omniswitch317
- Verifying Ipsec Configuration328
14 Configuring Ipsec309
Chapter 15 Configuring RIP329
- In this Chapter329
- RIP Specifications330
- RIP Defaults330
- Quick Steps for Configuring RIP Routing331
- RIP Overview332
  - RIP Version 2333
- RIP Routing334
- RIP Options337
- Configuring Redistribution340
- RIP Security346
  - Configuring Authentication Type346
  - Configuring Passwords346
- Verifying the RIP Configuration347
Chapter 16 Configuring BFD349
- In this Chapter349
- BFD Specifications350
- BFD Defaults350
- Quick Steps for Configuring BFD351
  - Quick Steps for Configuring BFD Support for Layer 3 Protocols353
- BFD Overview355
- Configuring BFD359
- BFD Application Example371
  - Example Network Overview371
- Verifying the BFD Configuration376
Chapter 17 17 Configuring DHCP Relay377
- In this Chapter377
- DHCP Relay Specifications378
- DHCP Relay Defaults379
- Quick Steps for Setting up DHCP Relay380
- DHCP Relay Overview381
- DHCP Relay Implementation385
- Using Automatic IP Configuration388
  - Enabling Automatic IP Configuration388
- Configuring UDP Port Relay389
- Verifying the DHCP Relay Configuration393
Chapter 18 Configuring VRRP395
- In this Chapter395
- VRRP Specifications397
- VRRP Defaults397
- Quick Steps for Creating a Virtual Router399
- VRRP Overview400
- Interaction with Other Features403
- VRRP Configuration Overview404
- Verifying the VRRP Configuration412
- Vrrpv3 Configuration Overview413
- Verifying the Vrrpv3 Configuration418
- Creating Tracking Policies419
  - Associating a Tracking Policy with a Vrrpv2/Vrrpv3 Virtual Router419
- VRRP Application Example420
  - VRRP Tracking Example422
- Vrrpv3 Application Example424
  - Vrrpv3 Tracking Example425
18 Configuring VRRP395
Configuring Server Load Balancing427
- In this Chapter427
Chapter 19 Configuring Server Load Balancing428
- Server Load Balancing Specifications428
- Server Load Balancing Default Values429
- Quick Steps for Configuring Server Load Balancing430
  - Quick Steps for Configuring a Qos Policy Condition Cluster431
- Server Load Balancing Overview433
- Configuring Server Load Balancing on a Switch437
- Modifying Optional Parameters441
- Taking Clusters and Servers On/Off Line443
  - Taking a Cluster On/Off Line443
  - Taking a Server On/Off Line443
- Configuring SLB Probes444
- Displaying Server Load Balancing Status and Statistics448
Configuring IP Multicast Switching451
- In this Chapter451
- IPMS Specifications452
- Ipmsv6 Specifications452
- IPMS Default Values453
- Ipmsv6 Default Values454
- IPMS Overview455
- Configuring IPMS on a Switch458
- Modifying IPMS Parameters463
- Ipmsv6 Overview471
- Configuring Ipmsv6 on a Switch473
- Modifying Ipmsv6 Parameters478
- IPMS Application Example486
- Ipmsv6 Application Example488
- Displaying IPMS Configurations and Statistics490
- Displaying Ipmsv6 Configurations and Statistics491
Chapter 21 Configuring Qos493
- In this Chapter493
- Qos Specifications495
- Qos General Overview496
- Classification498
- Congestion Management502
  - Queue Sets503
  - Queue Mapping Tables508
- Congestion Avoidance510
  - WRED Profiles510
- Traffic Policing and Shaping512
- Qos Policy Overview518
  - Valid Policies519
  - Condition and Action Combinations521
- Qos Defaults522
- Configuring Qos526
- Configuring Global Qos Parameters527
- Creating Policies531
- Using Condition Groups in Policies540
- Using Map Groups548
- Using Access Control Lists551
- Applying the Configuration558
  - Interaction with LDAP Policies559
Chapter 23 Managing Authentication Servers559
- Verifying the Applied Policy Configuration560
- Policy Applications561
Chapter 22 Managing Policy Servers569
- In this Chapter569
- Policy Server Specifications570
- Policy Server Defaults570
- Policy Server Overview571
- Installing the LDAP Policy Server571
- Modifying Policy Servers572
- Verifying the Policy Server Configuration575
Managing Authentication Servers577
- In this Chapter577
- Authentication Server Specifications578
- Server Defaults579
- Quick Steps for Configuring Authentication Servers580
- Server Overview581
  - Backup Authentication Servers581
  - Authenticated Switch Access581
- RADIUS Servers583
- TACACS+ Server588
  - TACACS+ Client Limitations588
  - Configuring the TACACS+ Client589
- LDAP Servers590
- Verifying the Authentication Server Configuration603
Configuring Port Mapping605
- In this Chapter605
- Port Mapping Specifications606
- Port Mapping Defaults606
- Quick Steps for Configuring Port Mapping606
- Creating/Deleting a Port Mapping Session607
  - Creating a Port Mapping Session607
  - Deleting a Port Mapping Session607
- Enabling/Disabling a Port Mapping Session608
- Configuring a Port Mapping Direction608
  - Configuring Unidirectional Port Mapping608
  - Restoring Bidirectional Port Mapping608
- Sample Port Mapping Configuration609
  - Example Port Mapping Overview609
  - Example Port Mapping Configuration Steps610
- Verifying the Port Mapping Configuration610
Chapter 25 Configuring Learned Port Security611
- In this Chapter611
- Learned Port Security Specifications612
- Learned Port Security Defaults612
- Sample Learned Port Security Configuration613
- Learned Port Security Overview615
- Configuring Learned Port Security619
- Displaying Learned Port Security Information623
Diagnosing Switch Problems625
- In this Chapter625
- Port Mirroring Overview627
- Port Monitoring Overview629
- Sflow Overview631
- Remote Monitoring (RMON) Overview634
- Switch Health Overview636
- Port Mirroring638
- Port Monitoring647
- Sflow652
- Remote Monitoring (RMON)657
  - Enabling or Disabling RMON Probes659
  - Displaying RMON Tables660
- Monitoring Switch Health664
Chapter 27 Configuring VLAN Stacking671
- In this Chapter671
- VLAN Stacking Specifications672
- VLAN Stacking Defaults672
- VLAN Stacking Overview673
  - How VLAN Stacking Works675
  - VLAN Stacking Services676
- Interaction with Other Features677
- Quick Steps for Configuring VLAN Stacking678
- Configuring VLAN Stacking Services680
- VLAN Stacking Application Example690
  - VLAN Stacking Configuration Example691
- Verifying the VLAN Stacking Configuration694
Chapter 28 Using Switch Logging695
- In this Chapter695
- Switch Logging Specifications696
- Switch Logging Defaults697
- Quick Steps for Configuring Switch Logging698
- Switch Logging Overview699
- Switch Logging Commands Overview700
Appendix A Software License and Copyright Statements707
- Alcatel-Lucent License Agreement707
  - Alcatel-Lucent Software License Agreement707
- Third Party Licenses and Notices710
Index711

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