Table 1 lists the technical changes made to this document since it was first printed.
Table 1 Changes to This Document
Added information about the maximum supported BFD rates per linecard.
Includes the following updates for Cisco IOS XR Release 4.0.1:
•Support for the following features for Circuit Emulation over Packet (CEoP) Shared Port Adapters (SPAs) was added:
–ATM Layer 2 QoS
–Inverse Multiplexing (IMA)
•Support for the following BFD features was added:
–The echo latency detect command was added to enable latency detection for BFD echo packets on non-bundle interfaces.
–The echo startup validate command was added to verify the echo path before starting a BFD session on non-bundle interfaces.
Note Documentation was added for the following BFD features introduced in earlier Cisco IOS XR releases:
•Support for the following applications with BFD was added:
–Hot Standby Router Protocol (HSRP)
–Virtual Router Redundancy Protocol (VRRP)
•The dampening command was added to minimize BFD session flapping and delay session startup.
•The echo ipv4 source command was added to specify a source IP address and override the default.
Initial release of this document.
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