H3C Technologies H3C S10500 Series Switches User Manual
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IS-IS configuration ··················································································································································· 134
IS-IS overview ·······························································································································································134
Basic concepts ·····················································································································································134
IS-IS area ······························································································································································136
IS-IS network type ················································································································································138
IS-IS PDU format···················································································································································139
Supported IS-IS features······································································································································145
Protocols and standards ·····································································································································147
IS-IS configuration task list···········································································································································147
Configuring IS-IS basic functions································································································································148
Configuration prerequisites ································································································································148
Enabling IS-IS·······················································································································································149
Configuring the IS level and circuit level ··········································································································149
Configuring the network type of an interface as P2P······················································································150
Configuring IS-IS routing information control············································································································150
Configuration prerequisites ································································································································150
Configuring IS-IS link cost···································································································································150
Specifying a priority for IS-IS ·····························································································································152
Configuring the maximum number of equal cost routes··················································································152
Configuring IS-IS route summarization··············································································································152
Advertising a default route ·································································································································153
Configuring IS-IS route redistribution ················································································································153
Configuring IS-IS route filtering··························································································································154
Configuring IS-IS route leaking ··························································································································155
Tuning and optimizing IS-IS networks························································································································155
Configuration prerequisites ································································································································155
Specifying intervals for sending IS-IS hello and CSNP packets ·····································································155
Specifying the IS-IS hello multiplier····················································································································156
Configuring a DIS priority for an interface·······································································································156
Disabling an interface from sending or receiving IS-IS packets ·····································································157
Enabling an interface to send small hello packets···························································································157
Configuring LSP parameters·······························································································································157
Configuring SPF parameters ······························································································································160
Assigning a high priority to IS-IS routes············································································································160
Setting the LSDB overload bit·····························································································································160
Configuring system ID to host name mappings································································································161
Enabling the logging of neighbor state changes·····························································································162
Enhancing IS-IS network security ································································································································162
Configuration prerequisites ································································································································162
Configuring neighbor relationship authentication ···························································································162
Configuring area authentication························································································································163
Configuring routing domain authentication······································································································163
Configuring IS-IS GR····················································································································································164
Configuring IS-IS FRR···················································································································································164
Enabling IS-IS SNMP trap ···········································································································································166
Binding an IS-IS process with MIBs ····························································································································166
Configuring BFD for IS-IS·············································································································································166
Displaying and maintaining IS-IS ·······························································································································167
IS-IS configuration examples·······································································································································168
IS-IS basic configuration ·····································································································································168
DIS election configuration ··································································································································172
Configuring IS-IS route redistribution ················································································································176
IS-IS Graceful Restart configuration example ···································································································180
IS-IS FRR configuration example ························································································································181