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Question What is the solution for interprovider Option B connection between LDP-based Layer 2 circuits and BGP-based Layer 2 VPNs? Answer As of Junos OS Release 9.3 and later, Layer 2 circuits with interworking iw0 interfaces can be manually stitched. If dynamic signaling is needed, use...
Question What are the supported Layer 2 interworking stitching configurations? Answer These are the stitching options supported in Junos OS Release 9.3 and later: Layer 2 circuit into Layer 2 VPN NOTE: In Junos OS Release 9.4 and later, you can use an iw interface instead of an lt...
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...
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 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 ...
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...