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Configuring Dual-Home Links Dual-Home Link Active-Active

OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 10-11

Unsupported DHL Active-Active Topology (Network Loops)

The following is an example of an unsupported topology for Dual-Homed Link Active-Active.

In the above topology, the link between the uplink device other than core network is not recommended as

it creates a loop in the network. This topology violates the principle that uplink switches can only be

connected to the network cloud through the core network.

Default Chapter3
- Table of Contents3
About this Guide29
- Supported Platforms29
- When Should I Read this Manual29
- Who Should Read this Manual29
- How Is the Information Organized30
- What Is in this Manual30
- What Is Not in this Manual30
- Documentation Roadmap31
- Related Documentation33
- Technical Support34
Chapter 1 Configuring Ethernet Ports36
- Ethernet Port Defaults36
- Ethernet Ports Overview37
- Configuring Ethernet Port Parameters37
- Using TDR Cable Diagnostics47
- Interfaces Violation Recovery49
- Clearing Ethernet Port Violations53
- Link Monitoring54
- Link Fault Propagation58
- IEEE 1588 Precision Time Protocol (PTP)61
  - Enabling/Disabling PTP Time Stamping61
- MAC Security Overview62
- How It Works62
  - Enabling/Disabling Macsec on an Interface64
Chapter 2 Configuring UDLD66
- UDLD Defaults66
- Quick Steps for Configuring UDLD67
- UDLD Overview68
  - UDLD Operational Mode68
  - Mechanisms to Detect Unidirectional Links69
- Configuring UDLD69
- Verifying the UDLD Configuration72
- In this Chapter73
Chapter 3 Managing Source Learning74
- Source Learning Defaults74
- MAC Address Table Overview75
- Using Static MAC Addresses75
  - Configuring Static MAC Addresses76
- Using Static Multicast MAC Addresses77
  - Configuring Static Multicast MAC Addresses77
  - Static Multicast Mac Addresses on Link Aggregate Ports78
- Configuring MAC Address Table Aging Time79
- Configuring the Source Learning Status80
- Increasing the MAC Address Table Size81
- Displaying Source Learning Information82
Chapter 4 Configuring Vlans83
- VLAN Defaults84
- Sample VLAN Configuration85
- VLAN Management Overview86
- Creating/Modifying Vlans86
- Assigning Ports to Vlans88
  - Changing the Default VLAN Assignment for a Port88
  - Using 802.1Q Tagging89
- Enabling/Disabling Spanning Tree for a VLAN91
- Enabling/Disabling Source Learning91
- Configuring VLAN IP Interfaces92
- Bridging Vlans Across Multiple Switches93
- Verifying the VLAN Configuration95
  - Understanding Port Output Display95
Configuring Vlans83
- In this Chapter83
Chapter 34 Diagnosing Switch Problems95
- Using Private Vlans97
Chapter 5 Configuring High Availability Vlans108
- In this Chapter108
- High Availability Default Values109
- Quick Steps for Creating High Availability Vlans110
- High Availability VLAN Overview111
  - High Availability VLAN Operational Mode111
  - Traffic Flows in High Availability VLAN112
- Configuring High Availability Vlans on a Switch113
- Application Examples116
- Displaying High Availability VLAN Status123
Chapter 6 Configuring Spanning Tree Parameters124
- In this Chapter125
- Spanning Tree Bridge Parameter Defaults126
- Spanning Tree Port Parameter Defaults126
- Multiple Spanning Tree (MST) Region Defaults127
- Spanning Tree Overview128
  - How the Spanning Tree Topology Is Calculated128
  - Topology Examples133
- MST General Overview135
- Spanning Tree Operating Modes143
- Using Spanning Tree Configuration Commands149
- Configuring STP Bridge Parameters149
- Configuring STP Port Parameters156
- Sample Spanning Tree Configuration166
  - Example Network Overview166
  - Example Network Configuration Steps167
- Sample MST Region Configuration169
- Sample MSTI Configuration171
- Verifying the Spanning Tree Configuration174
Configuring Loopback Detection175
- In this Chapter175
- LBD Defaults176
Chapter 7 Configuring Loopback Detection176
- Quick Steps for Configuring LBD177
- LBD Overview178
  - Transmission Timer178
- Remote-Origin LBD Overview178
- Interaction with Other Features180
  - Spanning Tree Protocol180
  - Link Aggregation180
- Configuring LBD181
- LBD for Service Access Interface182
- Verifying the LBD Configuration186
Chapter 8 Configuring Static Link Aggregation187
Configuring Static Link Aggregation188
- Static Link Aggregation Default Values188
- Quick Steps for Configuring Static Link Aggregation189
- Static Link Aggregation Overview191
  - Static Link Aggregation Operation191
  - Relationship to Other Features192
- Configuring Static Link Aggregation Groups192
- Modifying Static Aggregation Group Parameters195
  - Modifying the Static Aggregate Group Name195
  - Modifying the Static Aggregate Group Administrative State195
- Application Example196
- Displaying Static Link Aggregation Configuration and Statistics197
Chapter 9 Configuring Dynamic Link Aggregation198
Configuring Dynamic Link Aggregation199
- Dynamic Link Aggregation Default Values199
- Quick Steps for Configuring Dynamic Link Aggregation200
- Dynamic Link Aggregation Overview202
  - Dynamic Link Aggregation Operation202
  - Relationship to Other Features204
- Configuring Dynamic Link Aggregate Groups204
- Modifying Dynamic Link Aggregate Group Parameters208
- Application Examples222
- Displaying Dynamic Link Aggregation Configuration and Statistics225
Configuring Dual-Home Links227
- In this Chapter227
- Dual-Home Link Active-Active Defaults228
Chapter 10 Configuring Dual-Home Links228
- Dual-Home Link Active-Active229
- Displaying the Dual-Home Link Configuration238
Chapter 11 Configuring ERP239
- ERP Defaults240
- ERP Overview241
- Interaction with Other Features247
- Quick Steps for Configuring ERP with Standard Vlans248
- Quick Steps for Configuring ERP with VLAN Stacking249
- ERP Configuration Overview and Guidelines250
- Configuring an ERP Ring251
- Erpv2 Configuration Overview and Guidelines255
  - Major and Sub Ring Management255
  - Sample Switch Configuration256
- Sample Ethernet Ring Protection Configuration259
  - Example ERP Overview259
  - Example ERP Configuration Steps260
- Sample Erpv2 Ring Configuration261
- Verifying the ERP Configuration264
11 Configuring ERP239
- In this Chapter239
Chapter 12 Configuring MVRP265
- MVRP Defaults266
- Quick Steps for Configuring MVRP267
- MRP Overview268
- MVRP Overview268
  - How MVRP Works268
  - Interaction with Other Features270
- Configuring MVRP271
- Verifying the MVRP Configuration277
12 Configuring MVRP265
- In this Chapter265
Chapter 13 Configuring 802.1AB278
- 802.1AB Defaults Table279
- Quick Steps for Configuring 802.1AB280
- 802.1AB Overview281
- Configuring 802.1AB285
- Verifying 802.1AB Configuration292
13 Configuring 802.1AB278
- In this Chapter278
Chapter 14 14 Configuring SIP Snooping293
- In this Chapter293
- SIP Snooping Defaults294
- Parameter Description and Values295
- Quick Steps for Configuring SIP Snooping296
- SIP Snooping Overview297
- Using SIP Snooping298
  - Interoperability299
- SIP Snooping Configuration Guidelines300
- SIP Snooping Use Case304
- SIP Snooping Limitations307
- Verifying the SIP Snooping Configuration308
Chapter 15 Configuring IP309
- In this Chapter309
- IP Defaults311
- Quick Steps for Configuring IP Forwarding311
- IP Overview312
  - IP Protocols312
- IP Forwarding314
- Distributed ARP324
- IP Configuration327
- Managing IP340
- Verifying the IP Configuration347
- VRF Route Leak348
  - Configuring VRF Route Leak349
  - Verifying VRF Route Leak Configuration350
Chapter 16 Configuring Multiple VRF351
- VRF Defaults352
- Quick Steps for Configuring Multiple VRF353
- Multiple VRF Overview356
  - VRF Profiles358
  - ASCII-File-Only Syntax359
- VRF Interaction with Other Features361
- Configuring VRF Instances365
  - Selecting a VRF Instance366
  - Assigning IP Interfaces to a VRF Instance367
- Verifying the VRF Configuration368
Chapter 17 Configuring Ipv6369
- Ipv6 Address Notation374
- Ipv6 Address Prefix Notation374
- Autoconfiguration of Ipv6 Addresses375
- Globally Unique Local Ipv6 Unicast Addresses376
- Configured Tunnels379
- Configuring the Route Preference of a Router387
Configuring Ipv6388
- Configuring Route Map Redistribution388
- Configuring Local Proxy Neighbor Discovery393
- Configuring Neighbor Cache Limit393
- Configuring Neighbor Unreachability Detection394
- Configuring Router Advertisement Filtering395
- Reply or Ignore Echo Requests396
- Icmpv6 Error Message Rate Limiting396
- Ipv6 EMP Interface397
  - Configure Ipv6 EMP Interface397
- Verifying the Ipv6 Configuration399
Chapter 18 Configuring Ipsec400
- In this Chapter400
- Ipsec Defaults401
- Quick Steps for Configuring an Ipsec AH Policy402
- Quick Steps for Configuring an Ipsec Discard Policy403
- Ipsec Overview404
- Configuring Ipsec on the Omniswitch409
- Additional Examples419
  - Configuring ESP419
  - Discarding Ripng Packets421
- Verifying Ipsec Configuration422
Chapter 19 Configuring RIP423
- In this Chapter423
- RIP Defaults424
- Quick Steps for Configuring RIP Routing425
- RIP Overview426
  - RIP Version 2427
- RIP Routing428
- RIP Options431
- Configuring Redistribution434
- RIP Security440
  - Configuring Authentication Type440
  - Configuring Passwords440
- Verifying the RIP Configuration441
Chapter 20 Configuring BFD442
- In this Chapter442
- BFD Defaults443
- Quick Steps for Configuring BFD445
  - Quick Steps for Configuring BFD Support for Layer 3 Protocols447
  - Configuring Bfd Support for Vrrp Track Policies450
- BFD Overview451
- Configuring BFD455
- BFD Application Example474
  - Example Network Overview474
- Verifying the BFD Configuration480
Chapter 21 Configuring DHCP Relay481
- In this Chapter481
- DHCP Relay Defaults482
- Quick Steps for Setting up DHCP Relay483
- DHCP Relay Overview484
- DHCP Relay Implementation488
- Using Automatic IP Configuration491
  - Enabling Automatic IP Configuration491
- Configuring UDP Port Relay492
- Quick Steps for Configuring Dhcpv6 Relay503
- Dhcpv6 Relay Overview503
  - Dhcpv6 Relay Interface503
  - Dhcpv6 Relay Messages504
- Dhcpv6 Relay Configuration Overview504
- Verifying the DHCP Relay Configuration506
Chapter 22 Configuring an Internal DHCP Server507
- In this Chapter507
- DHCP Server Default Values508
- Quick Steps to Configure Internal DHCP Server508
- DHCP Server Overview510
- Interaction with Other Features511
- Configuring DHCP Server on Omniswitch512
- DHCP Server Application Example517
- Verifying the DHCP Server Configuration519
- Configuration File Parameters and Syntax520
- Policy File Parameters and Syntax531
Chapter 23 Configuring VRRP535
- In this Chapter535
- VRRP Defaults536
- Quick Steps for Creating a Virtual Router537
- VRRP Overview538
- Interaction with Other Features541
  - VRRP Tracking with BFD541
- VRRP Configuration Overview542
- Creating VRRP Tracking Policies551
  - Associating a Tracking Policy with a Virtual Router551
- Verifying the VRRP Configuration553
- Vrrpv2 Application Example554
  - Vrrpv2 Tracking Example555
- Vrrpv3 Application Example557
  - Vrrpv3 Tracking Example558
Chapter 24 Configuring Server Load Balancing560
- In this Chapter560
- Server Load Balancing Default Values561
- Quick Steps for Configuring Server Load Balancing562
  - Quick Steps for Configuring a Qos Policy Condition Cluster563
- Server Load Balancing Overview565
- Configuring Server Load Balancing on a Switch569
- Modifying Optional Parameters573
- Taking Clusters and Servers On/Off Line575
  - Taking a Cluster On/Off Line575
  - Taking a Server On/Off Line575
- Configuring SLB Probes576
- Displaying Server Load Balancing Status and Statistics580
Chapter 25 Configuring IP Multicast Switching582
- In this Chapter582
- IPMS Default Values583
- Ipmsv6 Default Values584
- IPMS Overview585
- Interaction with Other Features588
  - IPMS for Shortest Path Bridging588
  - VLAN and Service Domains588
- Configuring IPMS on a Switch590
- Modifying IPMS Parameters596
- Ipmsv6 Overview606
- Configuring Ipmsv6 on a Switch608
- Modifying Ipmsv6 Parameters614
- IPMS Application Example623
- Ipmsv6 Application Example625
- Displaying IPMS Configurations and Statistics627
- Displaying Ipmsv6 Configurations and Statistics628
Chapter 26 Configuring Qos629
- In this Chapter630
- Qos General Overview631
- Classification633
- Congestion Management637
- Omniswitcongestion Avoidance647
  - WRED Profiles647
- Traffic Policing and Shaping650
- Qos Policy Overview656
- Qos Defaults661
- Configuring Global Qos Parameters666
- Creating Policies670
- Using Condition Groups in Policies681
- Using Map Groups688
  - How Map Groups Work689
  - Verifying Map Group Configuration690
- Using Access Control Lists691
- Applying the Configuration699
  - Interaction with LDAP Policies700
  - Verifying the Applied Policy Configuration701
- Policy Applications702
Chapter 27 Managing Policy Servers712
- Policy Server Overview713
- Modifying Policy Servers714
Chapter 28 Configuring Access Guardian720
- Access Guardian Defaults720
- Quick Steps for Configuring Access Guardian727
- Access Guardian Overview729
- Configuring Port-Based Network Access Control748
- Omniaccess Stellar AP Integration786
  - Configuration Guidelines787
  - Quick Steps for Configuring Omniswitch AP Discovery789
- Using Captive Portal Authentication793
- Using Guest Tunneling800
- Using Quarantine Manager and Remediation810
- Access Guardian Application Examples812
- Verifying Access Guardian Users826
  - Logging Users out of the Network829
- Verifying the Access Guardian Configuration831
- Bring Your Own Devices (BYOD) Overview832
- BYOD Application Examples859
Chapter 29 Configuring Application Monitoring and Enforcement877
- In this Chapter878
- Appmon Defaults879
- Application Monitoring and Enforcement Overview880
  - Application Enforcement881
  - Quick Steps for Configuring Appmon883
- Application Signature File/Kit884
  - Application Flow Database885
- Configuring Appmon886
- Verifying Appmon Configuration896
- In this Chapter897
Chapter 30 Configuring Application Fingerprinting898
- Quick Steps for Configuring AFP900
- AFP Overview901
- Configuring AFP906
- Verifying the AFP Configuration914
- In this Chapter915
Chapter 31 Managing Authentication Servers916
- Server Defaults916
- Quick Steps for Configuring Authentication Servers918
- Server Overview919
- RADIUS Servers921
- TACACS+ Server927
  - Configuring the TACACS+ Client928
- LDAP Servers929
- Verifying the Authentication Server Configuration941
Chapter 32 Configuring Port Mapping943
- Quick Steps for Configuring Port Mapping944
- Creating/Deleting a Port Mapping Session945
- Enabling/Disabling a Port Mapping Session946
- Sample Port Mapping Configuration947
  - Example Port Mapping Configuration Steps948
Chapter 33 Configuring Learned Port Security949
- Learned Port Security Defaults950
- Sample Learned Port Security Configuration951
- Learned Port Security Overview953
Configuring Learned Port Security958
- Configuring the LPS Learning Window960
- Configuring the Number of Bridged MAC Addresses Allowed963
- Configuring the Number of Filtered MAC Addresses Allowed964
- Selecting the Security Violation Mode965
- Displaying Learned Port Security Information967
- In this Chapter968
- Port Mirroring Overview970
- Port Monitoring Overview971
- Sflow Overview972
- Remote Monitoring (RMON) Overview974
- Switch Health Overview975
- Port Mirroring976
- Port Monitoring985
- Sflow990
- Remote Monitoring (RMON)995
- Monitoring Switch Health1002
Chapter 35 Configuring VLAN Stacking1008
- VLAN Stacking Defaults1009
- VLAN Stacking Overview1010
- Quick Steps for Configuring VLAN Stacking1015
- Configuring VLAN Stacking Services1017
- VLAN Stacking Application Example1029
  - VLAN Stacking Configuration Example1030
- Verifying the VLAN Stacking Configuration1033
Chapter 36 Using Switch Logging1034
- Switch Logging Defaults1035
- Switch Logging Overview1036
- Switch Logging Commands Overview1037
Chapter 37 Configuring Ethernet OAM1042
- Ethernet OAM Defaults1043
- Ethernet OAM Overview1044
Chapter 38 Configuring Service Assurance Agent1047
- Quick Steps for Configuring Ethernet OAM1049
Configuring Ethernet OAM1050
- Configuring a Maintenance Association1051
- Configuring a Maintenance End Point1052
- Configuring Loopback1053
- Verifying the Ethernet OAM Configuration1055
- In this Chapter1056
- SAA Defaults1057
- Quick Steps for Configuring SAA1058
- Service Assurance Agent Overview1059
- Verifying the SAA Configuration1064
Appendix A Software License and Copyright Statements1065
- ALE USA, Inc. License Agreement1065
- Third Party Licenses and Notices1068

Brand	Alcatel-Lucent
Model	OmniSwitch 6860 Series
Category	Switch
Language	English

Alcatel-Lucent OmniSwitch 6860 Series User Manual

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