H3C S3610-28P Operation Manual page 339

Operation Manual – IPv4 Routing
H3C S3610&S5510 Series Ethernet Switches
5.4.1 Prerequisites ......................................................................................................... 5-22
5.4.2 Configuring BGP Route Redistribution.................................................................. 5-23
5.4.3 Configuring BGP Route Summarization ............................................................... 5-23
5.4.4 Advertising a Default Route to a Peer or Peer Group........................................... 5-24
5.4.5 Configuring BGP Route Distribution Filtering Policies .......................................... 5-25
5.4.6 Configuring BGP Route Reception Filtering Policies ............................................ 5-25
5.4.7 Enabling BGP and IGP Route Synchronization .................................................... 5-26
5.4.8 Configuring BGP Route Dampening ..................................................................... 5-27
5.5 Configuring BGP Route Attributes ................................................................................... 5-27
5.5.1 Prerequisites ......................................................................................................... 5-27
5.5.2 Configuration Procedure ....................................................................................... 5-27
5.6 Tuning and Optimizing BGP Networks ............................................................................ 5-30
5.6.1 Prerequisites ......................................................................................................... 5-31
5.6.2 Configuration Procedure ....................................................................................... 5-31
5.7 Configuring a Large Scale BGP Network ........................................................................ 5-33
5.7.1 Configuration Prerequisites................................................................................... 5-33
5.7.2 Configuring BGP Peer Groups.............................................................................. 5-34
5.7.3 Configuring BGP Community ................................................................................ 5-35
5.7.4 Configuring a BGP Route Reflector ...................................................................... 5-35
5.7.5 Configuring a BGP Confederation......................................................................... 5-36
5.8 Configuring BGP GR ....................................................................................................... 5-37
5.9 Displaying and Maintaining BGP ..................................................................................... 5-38
5.9.1 Displaying BGP ..................................................................................................... 5-38
5.9.2 Resetting BGP Connections ................................................................................. 5-39
5.9.3 Clearing BGP Information ..................................................................................... 5-39
5.10 BGP Configuration Examples ........................................................................................ 5-40
5.10.1 BGP Basic Configuration .................................................................................... 5-40
5.10.2 BGP and IGP Synchronization Configuration ..................................................... 5-44
5.10.3 BGP Load Balancing and MED Attribute Configuration...................................... 5-46
5.10.4 BGP Community Configuration ........................................................................... 5-49
5.10.5 BGP Route Reflector Configuration .................................................................... 5-52
5.10.6 BGP Confederation Configuration....................................................................... 5-54
5.10.7 BGP Path Selection Configuration ...................................................................... 5-57
5.11 Troubleshooting BGP .................................................................................................... 5-61
5.11.1 No BGP Peer Relationship Established.............................................................. 5-61
Chapter 6 Routing Policy Configuration ..................................................................................... 6-1
6.1 Introduction to Routing Policy ............................................................................................ 6-1
6.1.1 Routing Policy and Policy Routing .......................................................................... 6-1
6.1.2 Filters....................................................................................................................... 6-2
6.1.3 Routing Policy Application....................................................................................... 6-3
6.2 Routing Policy Configuration Task List.............................................................................. 6-3
6.3 Defining Filtering Lists ....................................................................................................... 6-4
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