Is there any reason not to crank up BFD across as many links as possible? Most of my links are private P2P/VPLS/MPLS. Any kind of practical limit to the number of peers you can or should have?
Only thing I can think of is # of PPS and/or CPU; 50ms intervals makes 20pps per peer. In an environment with hundreds of peers (i.e. VPN aggregation, multiple and redundant WAN links, etc), that starts looking like real numbers.
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