HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 6

Enabling IS-IS ISPF, Configuring area authentication

Page 6 highlights

IS-IS configuration task list 115 Configuring basic IS-IS 116 Configuration prerequisites 116 Enabling IS-IS 116 Configuring the IS level and circuit level 116 Configuring P2P network type for an interface 117 Configuring IS-IS route control 117 Configuration prerequisites 117 Configuring IS-IS link cost 118 Specifying a preference for IS-IS 119 Configuring the maximum number of ECMP routes 119 Configuring IS-IS route summarization 120 Advertising a default route 120 Configuring IS-IS route redistribution 121 Configuring IS-IS route filtering 121 Configuring IS-IS route leaking 122 Tuning and optimizing IS-IS networks 122 Configuration prerequisites 122 Specifying intervals for sending IS-IS hello and CSNP packets 123 Specifying the IS-IS hello multiplier 123 Configuring a DIS priority for an interface 123 Disabling an interface from sending/receiving IS-IS packets 124 Enabling an interface to send small hello packets 124 Configuring LSP parameters 124 Controlling SPF calculation interval 127 Configuring convergence priorities for specific routes 127 Setting the LSDB overload bit 128 Configuring system ID to host name mappings 128 Enabling the logging of neighbor state changes 129 Enabling IS-IS ISPF 130 Enhancing IS-IS network security 130 Configuration prerequisites 130 Configuring neighbor relationship authentication 130 Configuring area authentication 131 Configuring routing domain authentication 131 Configuring IS-IS GR 132 Configuring BFD for IS-IS 133 Configuring IS-IS FRR 133 Configuration prerequisites 134 Configuration guidelines 134 Configuring IS-IS FRR to automatically calculate a backup next hop 134 Configuring IS-IS FRR using a routing policy 134 Displaying and maintaining IS-IS 135 IS-IS configuration examples 135 Basic IS-IS configuration example 135 DIS election configuration example 140 IS-IS route redistribution configuration example 144 IS-IS authentication configuration example 147 IS-IS GR configuration example 150 BFD for IS-IS configuration example 151 IS-IS FRR configuration example 154 Configuring BGP 158 Overview 158 BGP speaker and BGP peer 158 iv

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iv
IS-IS configuration task list··········································································································································· 115
Configuring basic IS-IS ················································································································································ 116
Configuration prerequisites ································································································································ 116
Enabling IS-IS ······················································································································································· 116
Configuring the IS level and circuit level ·········································································································· 116
Configuring P2P network type for an interface ································································································ 117
Configuring IS-IS route control ···································································································································· 117
Configuration prerequisites ································································································································ 117
Configuring IS-IS link cost ··································································································································· 118
Specifying a preference for IS-IS ······················································································································· 119
Configuring the maximum number of ECMP routes ························································································ 119
Configuring IS-IS route summarization
·············································································································· 120
Advertising a default route ································································································································· 120
Configuring IS-IS route redistribution ················································································································ 121
Configuring IS-IS route filtering ·························································································································· 121
Configuring IS-IS route leaking ·························································································································· 122
Tuning and optimizing IS-IS networks ························································································································ 122
Configuration prerequisites ································································································································ 122
Specifying intervals for sending IS-IS hello and CSNP packets ····································································· 123
Specifying the IS-IS hello multiplier···················································································································· 123
Configuring a DIS priority for an interface
······································································································· 123
Disabling an interface from sending/receiving IS-IS packets ········································································· 124
Enabling an interface to send small hello packets
··························································································· 124
Configuring LSP parameters ······························································································································· 124
Controlling SPF calculation interval ··················································································································· 127
Configuring convergence priorities for specific routes
···················································································· 127
Setting the LSDB overload bit ····························································································································· 128
Configuring system ID to host name mappings································································································ 128
Enabling the logging of neighbor state changes ····························································································· 129
Enabling IS-IS ISPF
··············································································································································· 130
Enhancing IS-IS network security ································································································································ 130
Configuration prerequisites ································································································································ 130
Configuring neighbor relationship authentication ··························································································· 130
Configuring area authentication
························································································································ 131
Configuring routing domain authentication······································································································ 131
Configuring IS-IS GR ···················································································································································· 132
Configuring BFD for IS-IS············································································································································· 133
Configuring IS-IS FRR ··················································································································································· 133
Configuration prerequisites ································································································································ 134
Configuration guidelines ···································································································································· 134
Configuring IS-IS FRR to automatically calculate a backup next hop ···························································· 134
Configuring IS-IS FRR using a routing policy ···································································································· 134
Displaying and maintaining IS-IS ······························································································································· 135
IS-IS configuration examples ······································································································································· 135
Basic IS-IS configuration example ····················································································································· 135
DIS election configuration example··················································································································· 140
IS-IS route redistribution configuration example ······························································································ 144
IS-IS authentication configuration example······································································································· 147
IS-IS GR configuration example ························································································································· 150
BFD for IS-IS configuration example ·················································································································· 151
IS-IS FRR configuration example ························································································································ 154
Configuring BGP ····················································································································································· 158
Overview······································································································································································· 158
BGP speaker and BGP peer ······························································································································· 158