Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


High Availability

  • Configure BFD size to support large packets (MX204, MX240, MX480, MX960, MX10003, MX10004, MX10008, MX10016, and MX2008)—Starting in Junos OS Release 23.2R1, you can adjust the size of the BFD protocol data units (PDUs) with the pdu-size configuration statement at the [edit protocols ospf area area interface interface bfd-liveness-detection] hierarchy level. You can configure the BFD PDU size from the default of 24 bytes up to a maximum of 9000 bytes.

    [See Understanding How BFD Detects Network Failures.]

  • MPLS fast reroute for SR tunnels using S-BFD (MX240, MX480, MX960, MX10003, MX10004, and MX10008)—Starting in Junos OS Release 23.2R1, we support MPLS fast reroute for segment routing (SR) tunnels configured with Seamless BFD (S-BFD). When S-BFD detects a path failure for an SR tunnel, the MPLS FRR feature provides fast traffic recovery. Use the sbfd-frr configuration statement at the [edit protocols source-packet-routing] hierarchy level to enable S-BFD FRR support.

    [See Fast Reroute Overview.]