(Optional) Configuring Multicast Traffic Forwarding over a BIERv6 I-PMSI Tunnel

An inclusive-PMSI (I-PMSI) tunnel connects all PEs in the same MVPN. If a wildcard is used when an address pool range and criteria are configured for switching from an I-PMSI tunnel to a selective-PMSI (S-PMSI) tunnel, this configuration task is not required.

Prerequisites

A VPN instance has been created for the unicast network. For details, see the configuration examples in this document.

Context

An I-PMSI tunnel is established between a sender PE and all receiver PEs. Therefore, you need to complete the following configurations on the sender PE and all receiver PEs.

Procedure

Configure the sender PE.
1. Run system-view
  The system view is displayed.
2. Run multicast mvpn ipv6-underlay mvpnid
  An MVPN ID is configured.
  
  You are advised to set the MVPN ID to the loopback interface address of the local device.
3. Run ip vpn-instance vpn-instance-name
  The VPN instance view is displayed.
4. Run ipv4-family
  The VPN instance IPv4 address family view is displayed.
5. Run multicast routing-enable
  Multicast routing is enabled in the VPN instance IPv4 address family view.
6. Run mvpn
  The VPN instance IPv4 address family MVPN view is displayed.
7. Run sender-enable
  The PE is configured as the sender PE.
8. Run ipv6 underlay enable
  IPv6 forwarding is enabled.
9. Run src-dt4 locator locator-name sid sid-val
  A Src.DT4 SID is configured.
  
  The Src.DT4 SID must be an IPv6 address of the network segment to which the locator of the local device belongs.
10. (Optional) Run vpn-target
  An MVPN target is configured for the VPN instance MVPN address family.
11. (Optional) Configure a PIM-SM RPT setup mode.
  - Across the public network: To configure this mode, run the rpt-spt mode command.
  - Not across the public network: To configure this mode, run the spt-only mode command.
12. (Optional) Run bier load-balance-entropy source-group
  The entropy mode is configured for MVPNv4 over BIERv6 load balancing.
  
  Perform this operation only if load balancing has been enabled using the max-load-balance number command when configuring basic BIERv6 functions.
13. Run ipmsi-tunnel
  The MVPN I-PMSI view is displayed.
14. Run bier [ sub-domain sub-domain-val ] [ bsl { 64 | 128 | 256 } ]
  The I-PMSI tunnel type is set to BIER.
15. Run quit
  Exit the MVPN I-PMSI view.
16. Run quit
  Exit the VPN instance IPv4 address family MVPN view.
17. Run quit
  Exit the VPN instance IPv4 address family view.
18. Run quit
  Exit the VPN instance view.
19. Run commit
  The configuration is committed.
Configure a receiver PE.
Perform the following operations on all receiver PEs.
1. Run system-view
  The system view is displayed.
2. Run multicast mvpn ipv6-underlay mvpn-id
  An MVPN ID is configured.
  
  You are advised to set the MVPN ID to the loopback interface address of the local device.
3. Run ip vpn-instance vpn-instance-name
  The VPN instance view is displayed.
4. Run ipv4-family
  The VPN instance IPv4 address family view is displayed.
5. Run multicast routing-enable
  Multicast routing is enabled in the VPN instance IPv4 address family view.
6. Run mvpn
  The VPN instance IPv4 address family MVPN view is displayed.
7. (Optional) Run vpn-target
  An MVPN target is configured.
8. Run c-multicast signaling bgp
  BGP is configured as the signaling protocol for transmitting C-multicast routes.
9. Run ipv6 underlay enable
  IPv6 forwarding is enabled.
10. (Optional) Run vrf-route-import compatible draft
  The device is configured to encapsulate the VRF Route Import Extended Community in BGP Update messages using the format defined in a relevant IETF draft.
  
  By default, a Huawei device uses the message encapsulation format defined in an RFC to encapsulate the VRF Route Import Extended Community. If a non-Huawei device uses the message encapsulation format defined in the IETF draft, run the vrf-route-import compatible draft command to enable the Huawei device to use the format defined in the IETF draft so that the two devices can communicate.
11. (Optional) Configure a PIM-SM RPT setup mode.
  - Across the public network: To configure this mode, run the rpt-spt mode command.
  - Not across the public network: To configure this mode, run the spt-only mode command.
12. (Optional) Run export msdp
  The function of transmitting (S, G) entry information in BGP Source Active A-D routes to the RP through MSDP SA messages is enabled.
  
  If PIM-SM RPT setup is not across the public network, you can configure a PE or CE as the VPN instance's RP. If a CE is configured as an RP, the CE needs to establish an MSDP peer relationship with its connected PE. To enable this PE to transmit the (S, G) entry information learned through BGP Source Active A-D routes to the CE (RP), run the export msdp command.
13. Run quit
  Exit the VPN instance IPv4 address family MVPN view.
14. Run quit
  Exit the VPN instance IPv4 address family view.
15. Run quit
  Exit the VPN instance view.
16. Run commit
  The configuration is committed.