H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Table of Contents
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4.4.8 Configuring Route Redistribution .......................................................................... 4-24
4.4.9 Configuring IS-IS Route Leaking........................................................................... 4-24
4.5 Tuning and Optimizing IS-IS Network ............................................................................. 4-25
4.5.1 Configuration Prerequisites................................................................................... 4-25
4.5.2 Configuring a DIS Priority for an Interface ............................................................ 4-25
4.5.3 Configuring IS-IS Timers....................................................................................... 4-26
4.5.4 Disabling an Interface from Sending/Receiving IS-IS Hello Packets.................... 4-27
4.5.5 Configuring LSP Parameters ................................................................................ 4-27
4.5.6 Configuring SPF Parameters ................................................................................ 4-29
4.5.7 Configuring Dynamic Host Name Mapping........................................................... 4-30
4.5.8 Configuring IS-IS Authentication........................................................................... 4-31
4.5.9 Configuring LSDB Overload Tag........................................................................... 4-32
4.5.10 Logging the Adjacency Changes ........................................................................ 4-32
4.5.11 Enabling an Interface to Send Small Hello Packets............................................ 4-33
4.5.12 Enabling SNMP Trap .......................................................................................... 4-33
4.6 Displaying and Maintaining IS-IS..................................................................................... 4-33
4.7 IS-IS Configuration Example ........................................................................................... 4-34
4.7.1 IS-IS Basic Configuration ...................................................................................... 4-34
4.7.2 DIS Selection Configuration .................................................................................. 4-40
Chapter 5 BGP Configuration ...................................................................................................... 5-1
5.1 BGP Overview ................................................................................................................... 5-1
5.1.1 Formats of BGP Messages ..................................................................................... 5-2
5.1.2 BGP Path Attributes ................................................................................................ 5-5
5.1.3 BGP Route Selection ............................................................................................ 5-10
5.1.4 IBGP and IGP Synchronization............................................................................. 5-12
5.1.5 Settlements for Problems Caused by Large Scale BGP Networks ...................... 5-13
5.1.6 MP-BGP ................................................................................................................ 5-17
5.1.7 Protocols and Standards....................................................................................... 5-18
5.2 BGP Configuration Task List ........................................................................................... 5-18
5.3 Configuring BGP Basic Functions ................................................................................... 5-19
5.3.1 Prerequisites ......................................................................................................... 5-20
5.3.2 Configuration Procedure ....................................................................................... 5-20
5.4 Controlling Route Distribution and Reception.................................................................. 5-22
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 .......................................... 5-24
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