Inter-AS VPLS with MAC Operations Configuration Summary

This section provides a summary of all of the elements which must be configured to enable inter-AS VPLS with MAC operations. These procedures are described in detail later in this chapter and in other parts of the JUNOS VPNs Configuration Guide.

The following lists all of major elements of an inter-AS VPLS with MAC operations configuration:

• Configure IBGP between all of the routers within each AS, including the ASBRs.
• Configure EBGP between the ASBRs in the separated ASs. The EBGP configuration includes the configuration that interconnects the ASs.
• Configure a full mesh of LSPs between the ASBRs.
• Configure a VPLS routing instance encompassing the ASBR routers. The ASBRs are VPLS peers and are linked by a single pseudowire. Multihoming between ASs is not supported. A full mesh of pseudowires is needed between the ASBR routers in all of the interconnected ASs.
• Configure the VPLS routing instances using either BGP signaling or LDP signaling. LDP BGP interworking is supported for inter-AS VPLS with MAC operations, so it is possible to interconnect the BGP-signaled VPLS routing instances with the LDP-signaled VPLS routing instances.
• Configure a single VPLS mesh group for all of the ASBRs interconnected using inter-AS VPLS.

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