Limitations
The following limitations apply to BFD in this release:
- BGP,
OSPF, MPLS, OTM, and static
routes act as BFD clients.
- The echo function is not supported.
- Hardware assist BFD is not
supported Universal platforms.
- 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.