Understanding Trio Layer 2 Feature Parity
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 9 on page 30.
Table 9: Trio Layer 2 Feature Parity
Feature Supported
in Junos OS Release
Feature Parity with
Junos OS ReleaseFeature
10.4R19.1R1MX routers only: load balancing enhancements for Layer 2 Link
Aggregation
10.4R19.1R1Ethernet OAM IEEE 802.1ag MIP support
10.4R19.1R1Link Layer Discovery Protocol (LLDP)
10.4R19.1R1MX Series routers only: BPDU guard
10.4R19.1R1MX Series routers only: BPDU loop guard
10.4R19.1R1For next generation VPNs: IRB support with LDP-VLPS and BGP-VPLS
interworking
10.4R19.1R1MPLS: BGP multihoming for inter-AS VPLS
10.4R19.1R1MX Series routers only: Ethernet as a core-facing interface in VPLS
10.4R19.1R1Disables next-hop flood in connectivity fault management (CFM)
RELATED DOCUMENTATION
Protocols and Applications Supported on MPCs for MX Series Routers
30
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