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 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 |
