The following limitations apply to BFD in this release:
Direct connection (single
hop) networks only are supported.
OSPF, MPLS and static routes act as BFD clients.
Hitless failover is supported.
The echo function is not supported.
BFD protocol has been implemented in software. The number of sessions handled by BFD at
minimal timers (less than 100ms) varies depending on platform type and processing load
(which is effected by other protocols being enabled, or other system conditions such as
software forwarding).
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