BFD Overview 205
Enabling BFD on a Static Route 206
Enabling BFD for OSPF on an Interface 207
Enable BFD for IS-IS on an Interface 208
Enabling BFD on a BGP Neighbor 209
Configure BFD Under a Dynamic Routing Protocol or Use a Static Route 210
Enable BFD for OSPF on an Interface 210
Enable BFD for OSPF3 on an Interface 211
Enable BFD over BGP 212
Enable BFD on an IPv4 Static Route 213
Clear and Display BFD Counters 213
BFD over Bundle 213
Enabling BFD Sessions on Bundle Members 214
Specifying the BFD Destination Address on a Bundle 214
Configuring the Minimum Thresholds for Maintaining an Active Bundle 215
Configuring BFD Packet Transmission Intervals and Failure Detection Times on a Bundle 216
BFD Transparency 217
Ethernet VPN Virtual Private Wire Service 218
Configuration 218
Running Configuration 219
Verification 220
Bidirectional Forwarding Detection over Logical Bundle 222
Configuration 222
Running Configuration 224
Verification 225
IPv4 Multihop BFD 227
Configure IPv4 Multihop BFD 227
Verification 228
Implementing UCMP 229
CHAPTER 8
ECMP vs. UCMP Load Balancing 230
UCMP Minimum Integer Ratio 230
Configuring IS-IS With Weight 231
Configuring IS-IS With Metric 232
Routing Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 6.3.x
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Contents