BFD support on 7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C platforms is as follows:
BFD in a VPRN service can be used for:
OSPFv2 PE-CE routing protocol
Static routes (IPv4)
BGP for PE-CE protocol (IPv4)
BFD in IES service can be used for:
OSPFv2
IS-IS for IPv4 interfaces
Static routes (IPv4)
BFD in Base routing instance can be used for:
OSPFv2 on network IPv4 interfaces
IS-IS on network IPv4 interfaces
MP-BGP for vpn-ipv4 families (only multi-hop)
Static routes (IPv4)
RSVP-TE
TLDP (IPv4)
Interface LDP (link-level) (IPv4)
On the 7210 SAS-K 2F6C4T and 7210 SAS-K 3SFP+ 8C, BFD processing is supported in hardware enabling faster detection (minimum timer supported is 10ms).