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Configuration Guide - IP Multicast

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.
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Configuring BGP MVPN Peers

Configuring BGP MVPN Peers

Context

To exchange BGP A-D and BGP C-multicast routes, different PEs on an NG MVPN must be able to discover other PEs on the MVPN. The discovery process is called MVPN membership autodiscovery. An NG MVPN uses BGP to implement this process. To support MVPN membership autodiscovery, BGP defines a new BGP-MVPN address family. In an IPv4 Layer 3 multicast over VXLAN Scenario, all PEs functioning as VXLAN gateways must establish a BGP MVPN peer relationship between one another.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run bgp { as-number-plain | as-number-dot }

    The BGP view is displayed.

  3. Run peer ipv4-address as-number as-number

    A BGP peer IP address is specified.

  4. (Optional) Run peer ipv4-address connect-interface interface-type interface-number [ ipv4-source-address ]

    A source interface and a source address are specified to set up a TCP connection with the BGP peer.

    By default, BGP uses the outbound interface of packets as the source interface.

    NOTE:

    When loopback interfaces are used to establish a BGP connection, running the peer connect-interface command on both ends is recommended to ensure the connectivity. If this command is run on only one end, the BGP connection may fail to be established.

  5. (Optional) Run peer ipv4-address ebgp-max-hop [ hop-count ]

    The maximum number of hops allowed for an EBGP connection is configured.

    hop-count defaults to 255.

    In a scenario where an NG MVPN crosses different ASs, it is necessary to establish EBGP peers. Generally, EBGP peers are directly connected. If they are not directly connected, run the peer ebgp-max-hop command so that they can establish a connection over multiple hops.

    NOTE:

    If loopback interfaces are used to establish an EBGP connection, run the peer ebgp-max-hop command with hop-count greater than or equal to 2. Otherwise, the EBGP connection cannot be established.

  6. Run ipv4-family mvpn

    The BGP-MVPN address family view is displayed.

  7. Run peer { ipv4-address | group-name } enable

    The device is specified as a BGP MVPN peer.

  8. Run commit

    The configuration is committed.

Follow-up Procedure

Configure the following BGP functions in the BGP-MVPN address family view as needed. For details, see "BGP Configuration".

  1. Configuring a BGP Peer Group

  2. Configuring a Route Reflector and Specifying Clients

  3. Configuring a MinRouteAdvertisementIntervalTimer

  4. Setting Next_Hop Attributes for Routes

    In the BGP-MVPN address family view, a device can be configured to use its own IP address as the next-hop address of routes only when advertising these routes.

  5. Configuring BGP Community Attributes

    In the BGP-MVPN address family view, only standard community attributes can be sent to peers or peer groups.

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Updated: 2019-04-20

Document ID: EDOC1100039595

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