iii
Displaying and maintaining MPLS TE ·············································································································· 97
MPLS TE configuration examples ···················································································································· 98
Establishing an MPLS TE tunnel over a static CRLSP ············································································ 98
Establishing an MPLS TE tunnel with RSVP-TE ···················································································· 102
Establishing an inter-AS MPLS TE tunnel with RSVP-TE ······································································ 108
Establishing an inter-area MPLS TE tunnel over a CRLSP calculated by PCEs ··································· 115
Bidirectional MPLS TE tunnel configuration example ············································································ 120
CRLSP backup configuration example ·································································································· 126
Manual bypass tunnel for FRR configuration example ·········································································· 130
Auto FRR configuration example ··········································································································· 135
IETF DS-TE configuration example ······································································································· 141
Troubleshooting MPLS TE ····························································································································· 148
No TE LSA generated ···························································································································· 148
Configuring a static CRLSP ········································································ 150
Overview ························································································································································ 150
Configuration procedure ································································································································ 150
Displaying static CRLSPs ······························································································································ 151
Static CRLSP configuration example ············································································································· 151
Network requirements ···························································································································· 151
Configuration procedure ························································································································· 152
Verifying the configuration ······················································································································ 154
Configuring RSVP ······················································································· 157
Overview ························································································································································ 157
RSVP messages ···································································································································· 157
CRLSP setup procedure ························································································································ 158
RSVP refresh mechanism ······················································································································ 158
RSVP authentication ······························································································································ 159
RSVP GR ··············································································································································· 159
Protocols and standards ························································································································ 160
RSVP configuration task list ··························································································································· 160
Enabling RSVP ·············································································································································· 160
Configuring RSVP refresh ······························································································································ 160
Configuring RSVP Srefresh and reliable RSVP message delivery ································································ 161
Configuring RSVP hello extension ················································································································· 161
Configuring RSVP authentication ·················································································································· 162
Setting a DSCP value for outgoing RSVP packets ························································································ 163
Configuring RSVP GR ··································································································································· 164
Enabling BFD for RSVP ································································································································· 164
Displaying and maintaining RSVP ················································································································· 164
RSVP configuration examples ······················································································································· 165
Establishing an MPLS TE tunnel with RSVP-TE ···················································································· 165
RSVP GR configuration example ··········································································································· 171
Configuring tunnel policies ·········································································· 174
Overview ························································································································································ 174
Configuring a tunnel policy ····························································································································· 174
Configuration guidelines ························································································································· 174
Configuration procedure ························································································································· 175
Displaying tunnel information ························································································································· 175
Tunnel policy configuration examples ············································································································ 176
Exclusive tunnel configuration example ································································································· 176
Preferred tunnel and tunnel selection order configuration example ······················································· 176
Configuring MPLS L3VPN ·········································································· 179
Overview ························································································································································ 179
Basic MPLS L3VPN architecture ··········································································································· 179
MPLS L3VPN concepts ·························································································································· 179
MPLS L3VPN route advertisement ········································································································ 181
MPLS L3VPN packet forwarding ············································································································ 182
MPLS L3VPN networking schemes ······································································································· 183
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