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MPLS technology is evolving, with more services being offered using MPLS connectivity. Junos OS features are also evolving to implement these services on Juniper Networks routers. The most common MPLS connectivity services include: Virtual Private LAN Service (VPLS) Layer 3 virtual...
Question What are the Juniper Networks solutions for Metro Ethernet Forum (MEF) 6.1 Ethernet services definitions? Answer The following are the Juniper Networks solutions for Metro Ethernet Forum (MEF) 6.1 Ethernet services definitions: Ethernet private line (EPL) and Ethernet...
Question How does qualified learning for virtual private LAN service operate? Answer The following illustration shows a sample topology used to answer this question: Traffic type and direction: unknown unicast from CE1 VLAN700 to CE2 VLAN700. In this example, first...
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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. This number is derived as follows: The...
Question How can I control the behavior of VPLS class-based forwarding with multiple label-switched paths (LSPs) when one LSP goes down? Answer The following configuration is an example in which class-based forwarding is applied to a VPLS. It works as expected when both RSVP LSPs are up....
Question What are the differences in packet processing between a VT interface and an LSI interface (vrf-table-label or no-tunnel-services)? Answer The LSI interface provides better packet processing performance than the VT interface, unless there are core-facing interface restrictions or...
Question How can I define multiple port mirroring interfaces on a single chassis and select which traffic is mirrored to each interface on MX Series routers? Answer Junos OS supports multiple port mirror destinations in MX Series routers. All platforms support multiple source ports ...