Nortel Networks 42C4911 Instrukcja Użytkownika Pobierz pdf (Strona 10)

Alteon OS Application Guide

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Application Guide 1
Contents 3
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Part 2: IP Routing 141 6
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Fundamentals 215 8
Part 4: Appendices 243 9
Alteon OS Application Guide 10
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Who Should Use This Guide 15
Part 1: Basic Switching 16
Part 4: Appendices 17
Typographic Conventions 18
How to Get Help 19
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Accessing the Switch 23
Management module setup 24
Default Gateway 25
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Using Telnet 29
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Using SNMP 36
Default configuration 37
User Configuration: 37
View based Configurations 38
Configuring SNMP Trap Hosts 39
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Securing Access to the Switch 43
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Switch User Accounts 47
TACACS+ Authentication 48
Authorization 49
Accounting 50
TACACS+ Password Change 51
Configuring the LDAP Server 53
Secure Shell and Secure Copy 55
To log in to the switch: 57
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SecurID Support 60
Using SecurID with SSH 60
Using SecurID with SCP 60
End User Access Control 61
Strong Passwords 62
User Access Control Menu 62
Enabling or Disabling a User 63
Listing Current Users 64
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CHAPTER 2 67
802.1x Authentication Process 69
EAPoL Message Exchange 70
802.1x Port States 71
Supported RADIUS Attributes 72
Configuration Guidelines 73
CHAPTER 3 75
VLAN Numbers 77
PVID Numbers 77
Viewing and Configuring PVIDs 78
Chapter 3: VLANs 79
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VLAN Tagging 80
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VLAN configuration rules 84
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Protocol-based VLANs 87
PVLAN Priority Levels 88
PVLAN Tagging 88
Configuring PVLAN 89
5. Enable the PVLAN 90
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Ports and Trunking 93
Aggregate 94
Statistical Load Distribution 95
Built-In Fault Tolerance 95
Port Trunking Example 97
Trunk 3: Ports 2, 12, and 22 97
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Configuring LACP 103
Spanning Tree Group 105
Overview 106
Bridge Priority 107
Port Priority 107
Port Path Cost 108
Creating a VLAN 108
Rules for VLAN Tagged ports 109
Multiple Spanning Trees 110
BladeCenter 111
GbE Switch 111
Module B 111
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Port Fast Forwarding 115
Fast Uplink Convergence 116
Spanning Tree Protocol 117
Rapid Spanning Tree Protocol 118
Port Type and Link Type 119
RSTP Configuration Guidelines 119
RSTP Configuration Example 120
MSTP Region 121
Common Internal Spanning Tree 121
MSTP Configuration Guidelines 122
MSTP Configuration Example 122
Quality of Service 123
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Using ACL Filters 126
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 Ethernet tagging format 127
 IP format (IPv4, IPv6) 127
Summary of ACL Actions 128
Understanding ACL Precedence 128
Using ACL Groups 129
ACL Metering and Re-marking 130
Viewing ACL Statistics 131
ACL Configuration Examples 132
Example 3 133
Per Hop Behavior 134
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QoS Levels 136
DSCP Re-marking and Mapping 137
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Queuing and Scheduling 140
Part 2: IP Routing 141
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Basic IP Routing 143
IP Routing Benefits 144
Internet 145
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Example of Subnet Routing 148
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DHCP Relay Agent 153
Routing Information Protocol 155
Routing Updates 156
RIP Features 157
RIP Configuration Example 158
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CHAPTER 10 161
IGMP Snooping 162
Configure IGMP Snooping 163
Static Multicast Router 164
IGMP Relay 165
Configure IGMP Relay 166
Chapter 10: IGMP 167
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Additional IGMP Features 168
Configuring the Action 169
Configure IGMP Filtering 169
Border Gateway Protocol 171
Forming BGP Peer Routers 173
What is a Route Map? 174
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Precedence 176
Configuration Overview 176
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Aggregating Routes 178
Redistributing Routes 179
BGP Attributes 180
Selecting Route Paths in BGP 181
BGP Failover Configuration 182
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CHAPTER 12 187
OSPF Overview 188
Figure 12-1 OSPF Area Types 189
OSPF Autonomous System 190
Neighbors and Adjacencies 191
The Link-State Database 191
The Shortest Path First Tree 192
Configurable Parameters 193
Defining Areas 194
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Interface Cost 196
Summarizing Routes 196
Virtual Links 198
Router ID 199
Authentication 199
Switch 3 200
Switch 4 200
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Chapter 12: OSPF 203
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OSPF Configuration Examples 204
Example 1: Simple OSPF Domain 205
Example 2: Virtual Links 207
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Other Virtual Link Options 210
Verifying OSPF Configuration 213
Part 3: High Availability 215
Fundamentals 215
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High Availability 217
Layer 2 Failover 218
Setting the Failover Limit 219
Configuring Trunk Failover 223
VRRP Overview 224
Virtual Interface Router 225
VRRP Operation 226
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Active (subnet A and C) 228
Active (subnet B and D) 228
Hot-Standby Redundancy 229
Alteon OS extensions to VRRP 230
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Active-Active Configuration 233
Task 1: Configure GbESM 1 234
5. Configure ports 235
Task 2: Configure GbESM 2 236
Hot-Standby Configuration 238
Server 2 239
Server 1 239
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Troubleshooting 245
Monitoring port 246
Mirrored ports 246
Port Mirroring behavior 247
Layer 3 Port Mirroring 248
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Configuring Port Mirroring 251
APPENDIX B 253
Glossary 255
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