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Part 6: High Availability

Fundamentals

Internet traffic consists of myriad services and applications which use the Internet

Protocol (IP) for data delivery. However, IP is not optimized for all the various

applications. High Availability goes beyond IP and makes intelligent switching

decisions to provide redundant network configurations.

Default Chapter5
- Table of Contents5
Preface17
- What You'll Find in this Guide17
- Who Should Use this Guide17
- Additional References19
- Typographic Conventions20
- How to Get Help21
Part 1: Getting Started23
Chapter 1. Switch Administration25
- Administration Interfaces25
  - Command Line Interface25
  - Browser-Based Interface26
- Establishing a Connection26
- BOOTP/DHCP Client IP Address Services33
  - Global BOOTP Relay Agent Configuration33
  - Domain-Specific BOOTP Relay Agent Configuration34
- Switch Login Levels35
- Setup Vs. the Command Line36
Chapter 2. Initial Setup37
- Information Needed for Setup37
- Default Setup Options37
- Stopping and Restarting Setup Manually38
- Setup Part 1: Basic System Configuration38
- Setup Part 2: Port Configuration39
- Setup Part 3: Vlans41
- Setup Part 4: IP Configuration41
- Setup Part 5: Final Steps45
- Optional Setup for Telnet Support46
Chapter 3. Switch Software Management47
- Loading New Software to Your Switch47
- The Boot Management Menu50
Part 2: Securing the Switch55
Chapter 4. Securing Administration57
- Secure Shell and Secure Copy57
- End User Access Control62
Chapter 5. Authentication & Authorization Protocols65
- RADIUS Authentication and Authorization65
- TACACS+ Authentication68
- LDAP Authentication and Authorization71
Chapter 6. 802.1X Port-Based Network Access Control73
- Extensible Authentication Protocol over LAN74
- Eapol Authentication Process75
- Eapol Message Exchange75
- Eapol Port States77
- Guest VLAN77
- Supported RADIUS Attributes78
- Eapol Configuration Guidelines80
Chapter 7. Access Control Lists81
- Summary of Packet Classifiers81
- Summary of ACL Actions83
- Assigning Individual Acls to a Port84
- ACL Order of Precedence84
- ACL Groups85
- Assigning ACL Groups to a Port86
- ACL Metering and Re-Marking86
- ACL Port Mirroring87
- Viewing ACL Statistics87
- ACL Configuration Examples88
- VLAN Maps90
- Using Storm Control Filters91
Part 3: Switch Basics93
Chapter 8. Vlans95
- Vlans Overview95
- Vlans and Port VLAN ID Numbers96
  - VLAN Numbers96
  - PVID Numbers96
- VLAN Tagging97
- VLAN Topologies and Design Considerations101
  - Multiple Vlans with Tagging Adapters101
  - VLAN Configuration Example103
- Protocol-Based Vlans104
- Private Vlans107
Chapter 9. Ports and Trunking109
- Trunking Overview109
- Static Trunks110
- Link Aggregation Control Protocol113
- Configurable Trunk Hash Algorithm116
Chapter 10. Spanning Tree Protocols117
- Spanning Tree Protocol Modes117
- Global STP Control118
- PVRST Mode118
- Rapid Spanning Tree Protocol128
- Multiple Spanning Tree Protocol129
- Port Type and Link Type131
- Edge Port131
  - Link Type132
Chapter 11. Quality of Service133
- Qos Overview133
- Using ACL Filters135
  - Summary of ACL Actions135
  - ACL Metering and Re-Marking136
- Using DSCP Values to Provide Qos136
- Using 802.1P Priority to Provide Qos142
- Queuing and Scheduling143
Part 4: Advanced Switching Features145
Chapter 12. Virtualization147
Chapter 13. Stacking149
- Stacking Overview150
  - Stacking Requirements150
  - Stacking Limitations151
- Stack Membership151
- Configuring a Stack155
- Managing a Stack159
- Upgrading Software in an Existing Stack161
- Replacing or Removing Stacked Switches163
- ISCLI Stacking Commands166
Chapter 14. Vmready167
- VE Capacity167
- Defining Server Ports168
- VM Group Types168
- Local VM Groups168
- Distributed VM Groups170
- Virtualization Management Servers172
- Pre-Provisioning Ves174
- VLAN Maps175
- VM Policy Bandwidth Control176
  - VM Policy Bandwidth Control Commands176
  - Bandwidth Policies Vs. Bandwidth Shaping176
- Vmready Information Displays177
- Vmready Configuration Example180
Part 5: IP Routing183
Chapter 15. Basic IP Routing185
- IP Routing Benefits185
- Routing between IP Subnets185
- Example of Subnet Routing186
  - Using Vlans to Segregate Broadcast Domains187
  - Configuration Example187
- ECMP Static Routes189
- Dynamic Host Configuration Protocol191
Chapter 16. Internet Protocol Version 6193
- Ipv6 Limitations194
- Ipv6 Address Format195
- Ipv6 Address Types196
- Ipv6 Address Autoconfiguration197
- Ipv6 Interfaces198
- Neighbor Discovery199
- Supported Applications201
- Configuration Guidelines203
- Ipv6 Configuration Examples204
Chapter 17. Ipsec with Ipv6205
- Ipsec Protocols205
- Using Ipsec with the Rackswitch G8000206
Chapter 18. Routing Information Protocol213
- Distance Vector Protocol213
- Stability213
- Routing Updates213
- Ripv1214
- Ripv2214
- Ripv2 in Ripv1 Compatibility Mode214
- RIP Features214
- RIP Configuration Example216
Chapter 19. Internet Group Management Protocol217
- IGMP Terms217
- How IGMP Works218
- IGMP Capacity and Default Values219
- IGMP Snooping220
- IGMP Relay230
- Additional IGMP Features238
Chapter 20. Multicast Listener Discovery241
- MLD Terms242
- How MLD Works243
- MLD Capacity and Default Values245
- Configuring MLD246
Chapter 21. Border Gateway Protocol247
- Internal Routing Versus External Routing247
- Forming BGP Peer Routers248
- Loopback Interfaces249
- What Is a Route Map249
- Aggregating Routes253
- Redistributing Routes253
- BGP Attributes253
- Selecting Route Paths in BGP254
- BGP Failover Configuration255
- Default Redistribution and Route Aggregation Example256
Chapter 22. OSPF259
- Ospfv2 Overview259
- Ospfv2 Implementation in IBM N/OS263
- Ospfv2 Configuration Examples272
- Ospfv3 Implementation in IBM N/OS281
Part 6: High Availability Fundamentals285
Chapter 23. Basic Redundancy287
- Trunking for Link Redundancy287
- Virtual Link Aggregation287
- Hot Links288
- Active Multipath Protocol290
- Stacking for High Availability Topologies293
Chapter 24. Layer 2 Failover295
- Monitoring Trunk Links295
- Setting the Failover Limit295
- Manually Monitoring Port Links296
- L2 Failover with Other Features296
  - Lacp296
  - Spanning Tree Protocol297
- Configuration Guidelines297
- Configuring Layer 2 Failover297
Chapter 25. Virtual Router Redundancy Protocol299
- VRRP Overview300
- Failover Methods302
  - Active-Active Redundancy303
  - Virtual Router Group303
- IBM N/OS Extensions to VRRP304
- Virtual Router Deployment Considerations305
- High Availability Configurations306
Part 7: Network Management311
Chapter 26. Link Layer Discovery Protocol313
- LLDP Overview313
- Enabling or Disabling LLDP313
  - Global LLDP Setting313
  - Transmit and Receive Control314
- LLDP Transmit Features314
- LLDP Receive Features317
- LLDP Example Configuration319
Chapter 27. Simple Network Management Protocol321
- SNMP Version 1 & Version 2321
- SNMP Version 3321
- Default Configuration322
- Configuring SNMP Trap Hosts324
- SNMP Mibs326
- Switch Images and Configuration Files329
Part 8: Monitoring333
Chapter 28. Remote Monitoring335
- RMON Overview335
- RMON Group 1-Statistics335
- RMON Group 2-History336
  - History MIB Object ID336
  - Configuring RMON History337
- RMON Group 3-Alarms338
  - Alarm MIB Objects338
  - Configuring RMON Alarms338
- RMON Group 9-Events340
Chapter 29. Sflow341
- Sflow Statistical Counters341
- Sflow Network Sampling341
- Sflow Example Configuration342
Chapter 30. Port Mirroring343
Part 9: Appendices345
Appendix A. Glossary347
Appendix B. Getting Help and Technical Assistance349
- Before You Call349
- Using the Documentation349
- Getting Help and Information on the World Wide Web349
- Software Service and Support350
- Hardware Service and Support350
- IBM Taiwan Product Service350
Appendix C. Notices351
- Trademarks351
- Important Notes352
- Particulate Contamination353
- Documentation Format353
- Electronic Emission Notices354
Index359

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General

Brand	IBM
Model	RackSwitch G8000
Category	Network Router
Language	English

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