Cabletron Systems SMARTSWITCH ROUTER 9032578-05 Manuel d'utilisateur Page 233
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SmartSwitch Router User Reference Manual 207
Chapter 15
IP Policy-Based
Forwarding
Configuration
Guide
Overview
You can configure the SSR to route IP packets according to policies that you define. IP
policy-based routing allows network managers to engineer traffic to make the most
efficient use of their network resources.
IP policies forward packets based on layer-3 or layer-4 IP header information. You can
define IP policies to route packets to a set of next-hop IP addresses based on any
combination of the following IP header fields:
• IP protocol
• Source IP address
• Destination IP address
• Source Socket
• Destination Socket
• Type of service
For example, you can set up an IP policy to send packets originating from a certain
network through a firewall, while letting other packets bypass the firewall. Sites that have
multiple Internet service providers can use IP policies to assign user groups to particular
- SmartSwitch Router 1
- User Reference Manual 1
- Electromagnetic 3
- Compatibility (EMC) 3
- FCC Compliance Statement 3
- VCCI Compliance Statement 4
- Cabletron Systems, Inc 6
- Cabletron Systems Limited 10
- Program License Agreement 10
- Declaration of Conformity 12
- Addendum 12
- Contents 13
- About This Manual 27
- Chapter 1 29
- Introduction 29
- Command Modes 30
- Chapter 1: Introduction 31
- Line Editing Commands 33
- Command Resulting Action 34
- Port Names 37
- Chapter 2 39
- Hot Swapping 39
- Line Cards and 39
- Control Modules 39
- Hot Swapping Line Cards 40
- Removing the Line Card 41
- Installing a New Line Card 41
- SSR-CM2 CONTROL MODULE 42
- Removing the Control Module 43
- Installing a Control Module 43
- Offline LED 44
- Hot Swap Button 44
- Chapter 3 47
- Bridging 47
- VLAN Overview 48
- SSR VLAN Support 50
- Configuring Spanning Tree 54
- Configuring VLAN Trunk Ports 57
- Configuring Layer-2 Filters 58
- Monitoring Bridging 59
- VLAN ID 5 60
- Chapter 4 61
- SmartTRUNK 61
- Configuring SmartTRUNKs 62
- Monitoring SmartTRUNKs 63
- Chapter 5 67
- ATM Configuration 67
- Service Class Definition 68
- Cell Scrambling 71
- Cell Mapping 72
- Creating a Non-Zero VPI 73
- ATM Sample Configuration 1 78
- Creating a Virtual Channel 79
- Defining an ATM Service Class 79
- Applying an ATM Service Class 80
- Configuring an IP Route 80
- Chapter 6 83
- Packet-over-SONET 83
- 20.11.11.21 port so.13.1 85
- <protecting-port> 86
- Monitoring PoS Ports 88
- Chapter 7 93
- Configuring DHCP 94
- Updating the Lease Database 96
- Monitoring the DHCP Server 96
- DHCP Configuration Examples 97
- Configuring Secondary Subnets 98
- Interacting with Relay Agents 100
- Chapter 8 103
- IP Routing 103
- Configuration 103
- Multicast Routing Protocols 104
- Configuring Jumbo Frames 106
- Configuring DNS Parameters 110
- Configuring IP Helper 110
- Configuring Direct Broadcast 111
- Monitoring IP Parameters 112
- Configuring Router Discovery 113
- Configuration Examples 116
- Chapter 9 117
- Basic VRRP Configuration 118
- Symmetrical Configuration 119
- Multi-Backup Configuration 121
- 10.0.0.1/16 122
- 10.0.0.2/16 122
- 10.0.0.3/16 122
- Additional Configuration 125
- Monitoring VRRP 127
- VRRP Configuration Notes 129
- Chapter 10 131
- RIP Configuration 131
- Enabling and Disabling RIP 132
- Configuring RIP Interfaces 132
- Configuring RIP Parameters 132
- Monitoring RIP 134
- Configuration Example 135
- ! Change default metric-out 136
- Chapter 11 137
- Configuring OSPF 138
- Enabling OSPF 139
- Configuring an OSPF Area 141
- Creating Virtual Links 142
- Advertisements 143
- Monitoring OSPF 144
- OSPF Configuration Examples 146
- ASE routes into RIP 149
- A r e a 150.20.0.0 150
- Chapter 12 151
- BGP Configuration 151
- Basic BGP Tasks 152
- Setting the Router ID 153
- Configuring a BGP Peer Group 153
- Starting BGP 155
- BGP Configuration Examples 158
- BGP Peering Session Example 159
- IBGP Configuration Example 161
- AS-64801 163
- IBGP Internal Group Example 165
- 17.122.128.2/24 166
- 17.122.128.1/24 166
- Community Attribute Example 171
- Physical Link 173
- Peering Relationship 173
- Information Flow 173
- Local Preference Examples 178
- EBGP Aggregation Example 182
- Route Reflection Example 183
- 192.68.222.1 184
- 192.68.20.2 184
- 192.68.20.1 184
- 172.16.30.2 184
- Chapter 13 187
- Routing Policy 187
- Preference 188
- Import Policies 189
- Export Policies 190
- Specifying a Route Filter 191
- Aggregates and Generates 192
- Authentication 194
- Redistributing Static Routes 196
- Redistributing RIP into RIP 197
- Redistributing RIP into OSPF 197
- Redistributing OSPF to RIP 197
- Creating an Export Source 203
- Creating an Import Source 204
- Creating a Route Filter 204
- Creating an Aggregate Route 205
- Creating an Aggregate Source 206
- Examples of Import Policies 206
- Examples of Export Policies 213
- Chapter 14 223
- Multicast Routing 223
- DVMRP Overview 224
- Configuring IGMP 225
- Configuring DVMRP 226
- Starting and Stopping DVMRP 227
- Configuring DVMRP Parameters 227
- Monitoring IGMP & DVMRP 229
- IP Policy-Based 233
- Forwarding 233
- Chapter 15 233
- Configuring IP Policies 234
- Firewall Load Balancing 240
- Monitoring IP Policies 241
- Chapter 16 245
- Network Address 245
- Translation 245
- Configuring NAT 246
- Forcing Flows through NAT 247
- Managing Dynamic Bindings 248
- NAT and DNS 248
- NAT and ICMP Packets 249
- NAT and FTP 249
- Monitoring NAT 250
- Dynamic Configuration 251
- Dynamic NAT with DNS 254
- Chapter 17 257
- Web Hosting 257
- Load Balancing 258
- Session Persistence 259
- Persistence 260
- Default Binding 260
- Setting Server Status 263
- Load Balancing and FTP 264
- Real Server 267
- TCP Port 267
- Destination 268
- Server IP 268
- Web Caching 270
- Other Configurations 272
- Monitoring Web-Caching 273
- Chapter 18 275
- IPX Routing 275
- Configuring IPX RIP & SAP 277
- Configuring IPX Routing 279
- Configuring Static Routes 280
- Monitoring an IPX Network 283
- Chapter 19 285
- Access Control List 285
- ACL Basics 286
- How ACL Rules are Evaluated 288
- Implicit Deny Rule 288
- Creating and Modifying ACLs 290
- Using ACLs 292
- Applying ACLs to Services 293
- Using ACLs as Profiles 294
- Enabling ACL Logging 299
- Monitoring ACLs 300
- Chapter 20 301
- Security 301
- Configuring RADIUS 302
- Configuring TACACS 303
- Configuring TACACS Plus 304
- Layer-2 Security Filters 305
- Layer-2 Filter Examples 309
- Chapter 21 317
- QoS Configuration 317
- Precedence for Layer-3 Flows 319
- SSR Queuing Policies 319
- Configuring Layer-2 QoS 320
- 802.1p Priority Mapping 320
- Configuring IP QoS Policies 322
- Configuring IPX QoS Policies 323
- ToS R ewrite 325
- Monitoring QoS 328
- Limiting Traffic Rate 329
- Per-Flow Rate Limiting 330
- Port Rate Limiting 330
- Aggregate Rate Limiting 331
- Example Configurations 332
- Chapter 22 335
- Performance 335
- Monitoring Guide 335
- Monitoring Broadcast Traffic 337
- Chapter 23 339
- Configuring and Enabling RMON 340
- RMON Groups 341
- Control Tables 343
- Using RMON 344
- Configuring RMON Groups 345
- Displaying RMON Information 348
- RMON CLI Filters 349
- Troubleshooting RMON 351
- Allocating Memory to RMON 353
- Chapter 24 355
- Chapter 25 359
- Configuring WAN Interfaces 360
- Forcing Bridged Encapsulation 362
- Packet Compression 362
- Packet Encryption 364
- WAN Quality of Service 364
- Frame Relay Overview 366
- Configuring PPP Interfaces 371
- Monitoring PPP WAN Ports 374
- PPP Port Configuration 374
- WAN Configuration Examples 376
- Router R1 Configuration File 378
- Router R2 Configuration File 378
- Router R3 Configuration File 379
- Router R4 Configuration File 379
- Router R5 Configuration File 380
- Router R6 Configuration File 380
- Appendix A 383
- New Features 383
- Supported on Line 383
- SSR 2000 Line Cards 387
- Network Address Translation 388
- Load Balancing (LSNAT) 390
- Layer 4 Bridging 391
- Per-Protocol VLAN 392
- QoS Rate Limiting 393
- ToS R ewr ite 394
- Established Bit ACL 394
- Multiple IPX Encapsulation 394
- Jumbo Frames 395
- Identifying a Line Card 396
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