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Understanding Trio Layer 2 Feature Parity

date_range 31-Mar-21

A variety of Layer 2 features are supported on M Series and MX Series routers. The features supported by the Trio family of line cards are listed in Table 1.

Table 1: Trio Layer 2 Feature Parity

Feature

Feature Parity with Junos OS Release

Feature Supported in Junos OS Release

MX routers only: load balancing enhancements for Layer 2 Link Aggregation

9.1R1

10.4R1

Ethernet OAM IEEE 802.1ag MIP support

9.1R1

10.4R1

Link Layer Discovery Protocol (LLDP)

9.1R1

10.4R1

MX Series routers only: BPDU guard

9.1R1

10.4R1

MX Series routers only: BPDU loop guard

9.1R1

10.4R1

For next generation VPNs: IRB support with LDP-VLPS and BGP-VPLS interworking

9.1R1

10.4R1

MPLS: BGP multihoming for inter-AS VPLS

9.1R1

10.4R1

MX Series routers only: Ethernet as a core-facing interface in VPLS

9.1R1

10.4R1

Disables next-hop flood in connectivity fault management (CFM)

9.1R1

10.4R1

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