R2511-HP MSR Router Series High Availability Configuration Guide(V5)

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• Reserved (R)—This byte must be set to zero on transmit, and ignored on receipt.
• Detect Mult—Detection time multiplier.
• Length—Length of the BFD control packet, in bytes.
• My Discriminator—A unique, nonzero discriminator value generated by the transmitting system,
used to demultiplex multiple BFD sessions between the same pair of systems.
• Your Discriminator—It is the discriminator received from the remote system. This field reflects back
the received value of My Discriminator, or is 0 if that value is unknown.
• Desired Min TX Interval—This is the minimum interval (in milliseconds) that the local system would
like to use when transmitting BFD control packets. The value zero is reserved.
• Required Min RX Interval—This is the minimum interval (in milliseconds) between received BFD
control packets that this system is capable of supporting. If this value is zero, the transmitting system
does not want the remote system to send any periodic BFD control packets.
• Required Min Echo RX Interval—This is the minimum interval (in milliseconds) between received
BFD echo packets that this system is capable of supporting. If this value is zero, the transmitting
system does not support the receipt of BFD echo packets.
• Auth Type—The authentication type in use, if the Authentication Present (A) bit is set.
• Auth Len—The length, in bytes, of the authentication section, including the Auth Type and Auth Len
fields.
Supported features
• OSPF. For more information, see Layer 3—IP Routing Configuration Guide.
• OSPFv3. For more information, see Layer 3—IP Routing Configuration Guide.
• IS-IS. For more information, see Layer 3—IP Routing Configuration Guide.
• IPv6 IS-IS. For more information, see Layer 3—IP Routing Configuration Guide.
• RIP. For more information, see Layer 3—IP Routing Configuration Guide.
• Static routing. For more information, see Layer 3—IP Routing Configuration Guide.
• BGP. For more information, see Layer 3—IP Routing Configuration Guide.
• IPv6 BGP. For more information, see Layer 3—IP Routing Configuration Guide.
• PIM. For more information, see IP Multicast Configuration Guide.
• IPv6 PIM. For more information, see IP Multicast Configuration Guide.
• MPLS. For more information, see MPLS Configuration Guide.
• Track. For more information, see "Configuring Track."
• IP fast reroute (FRR). IP FRR is supported by OSPF, RIP, IS-IS and static routing. For more information,
see Layer 3—IP Routing Configuration Guide.
Protocols and standards
• RFC 5880, Bidirectional Forwarding Detection (BFD)
• RFC 5881, Bidirectional Forwarding Detection (BFD) for IPv4 and IPv6 (Single Hop)
• RFC 5882, Generic Application of Bidirectional Forwarding Detection (BFD)
• RFC 5883, Bidirectional Forwarding Detection (BFD) for Multihop Paths
• RFC 5884, Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs)