The mpls te command specifies P2MP TE to establish an I-PMSI tunnel and displays the I-PMSI MPLS TE view.
The undo mpls te command deletes all I-PMSI MPLS TE configurations.
By default, no protocol is specified to establish an I-PMSI tunnel.
Usage Scenario
PMSI tunnels are the logical tunnels used by the public network to transmit VPN multicast data, and P-tunnels are the actual tunnels used by the public network to transmit VPN multicast data. A sender PE uses PMSI tunnels to send specific VPN multicast data to receiver PEs. The receiver PEs determine whether to accept the VPN multicast traffic based on PMSI tunnel information.
I-PMSI tunnels can be established using P2MP TE or mLDP. To use P2MP TE to establish an I-PMSI tunnel, run the mpls te command.Precautions
This command is exclusive with the mldp (MVPN I-PMSI view) command in the same VPN instance.
Note: Running the undo mpls te command deletes all configurations in the I-PMSI MPLS TE view. Exercise caution when running the command.If reoptimization is enabled in the MPLS TE P2MP template view on the root node in a scenario where dual-root 1+1 protection is configured for NG MVPN carried by an RSVP-TE P2MP tunnel, packet loss lasts for a long time during a traffic switchback. To resolve this problem, delete the reoptimization configuration in the MPLS TE P2MP template view or run the ng-mvpn forwarding-mode aggregation command in the system view.
<HUAWEI> system-view [~HUAWEI] multicast mvpn 2.2.2.2 [*HUAWEI] ip vpn-instance mcast1 [*HUAWEI-vpn-instance-mcast1] ipv4-family [*HUAWEI-vpn-instance-mcast1-af-ipv4] route-distinguisher 100:100 [*HUAWEI-vpn-instance-mcast1-af-ipv4] multicast routing-enable [*HUAWEI-vpn-instance-mcast1-af-ipv4] mvpn [*HUAWEI-vpn-instance-mcast1-af-ipv4-mvpn] ipmsi-tunnel [*HUAWEI-vpn-instance-mcast1-af-ipv4-mvpn-ipmsi] mpls te [*HUAWEI-vpn-instance-mcast1-af-ipv4-mvpn-ipmsi-mpls-te]