Layer 2 VPN
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BFD Session support for VCCV (ACX7100-32C, ACX7100-48L, ACX7348, ACX7509, and ACX7024, and ACX7024X)—Starting in Junos OS Evolved 23.4R1, you can configure Bidirectional Forwarding Detection (BFD) for virtual circuit connection verification (VCCV) with a minimum-interval equal to or greater than 1000ms. Distributed and Centralized sessions are both supported.