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Question What is the maximum number of VPLS instances supported, and the maximum number of sites supported per VPLS instance, on MX Series routers? Answer The maximum number of VPLS instances supported on MX Series routers is 8,000
Question What is the behavior of a virtual tunnel interface in different services routing instances? Answer If you configure a virtual tunnel (vt) interface on the egress PE router and that router is also a transit router for the point-to-multipoint LSP, the penultimate hop router sends just one copy of each packet over the link to the egress PE router
For example, for a given VPLS instance, if you need LDP-BGP interworking, there must be one mesh group for every LDP-VPLS cloud that is connected to the BGP-VPLS cloud, at the interworking router
A maximum of 16 mesh groups is supported per VPLS instance. For more information, click Layer 2 VPNs and VPLS Feature Guide
Question When one of the sites goes down in a single VPLS instance, why is there traffic loss on another site? Answer The following illustration shows a sample topology used to answer this question: A PE router has several site IDs configured within the same VPLS instance. The PE router advertises a separate label block for each of these site IDs to the remote PE routers
When one of the sites goes down in a single VPLS instance, why is there traffic loss on another site?
What is the behavior of a virtual tunnel interface in different services routing instances? #MPLS #vpn #JunosOS #FAQ #JuniperMXSeries #vpls
When this spoke interface is added to the hub routing instance, it will receive hub routes, which is not expected in a hub-and-spoke topology
If the no-tunnel-services statement is configured under a VPLS instance, it uses an LSI and does not require a tunnel PIC
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