Limitations
The following limitations apply to BFD in this release:
-
Direct connection (single hop) networks only are supported.
-
BGP, OSPF, MPLS and static routes act as BFD clients.
-
Hitless failover is supported.
-
The echo function is not supported.
-
Hardware assist BFD is supported only on standalone X460-G2 platform.
- The number of sessions handled by BFD at minimal timers
(less than 100ms) varies depending on the platform type, the implementation type (H/w or
S/w), and the processing load (which is influenced by other protocols being enabled or
other system conditions such as software forwarding).
- The following scaling limits apply to BFD hardware assist:
- Maximum 900 sessions if PTP feature not enabled.
- Maximum 425 sessions with PTP enabled.
- Maximum of 256 sessions with 3 ms transmit interval.
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