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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 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...
Question Can a Layer 2 circuit be terminated into VPLS? Answer Yes, Junos OS Release 9.2 and later uses mesh groups to terminate pseudowire emulation (pseudowireE) into VPLS. You can terminate one pseudowireE per mesh group within the VPLS. A maximum of 16 mesh groups is supported per VPLS...
Question Which components are used in calculating the load balancing (hashing) algorithm for a link aggregation group? Answer For Layer 3 traffic, the default components used to calculate the load balancing (hashing) algorithm for a link aggregation group (LAG) are the source address,...
Question What are the label-switched interface (LSI) label value assignments for different services? Answer VPLS uses a dynamic virtual tunnel logical interface on a tunnel PIC to model traffic from a remote PE router site in a VPLS domain. All traffic coming from the remote site is...
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...