Configuring Invert Data 269
Verifying Invert Data Setting 269
Configuring the Trace Trail Buffer 269
Verifying TTB Settings 270
Configuring QoS Features on Serial SPAs 270
Saving the Configuration 270
Verifying the Interface Configuration 271
Verifying the Per-Port Interface Status 271
Monitoring the Per-Port Interface Statistics 271
Configuration Examples 272
DSU Configuration Example 272
MDL Configuration Example 273
Scrambling Configuration Example 273
Framing Configuration Example 273
Encapsulation Configuration Example 274
Cable Length Configuration Example 274
Invert Data Configuration Example 274
Trace Trail Buffer Configuration Example 275
CHAPTER 18
Configuring the 4-Port Serial Interface SPA 277
Configuration Tasks 277
Configuring the 4-Port Serial Interface SPA 277
Verifying the Configuration 278
Using show Commands 278
Verification Examples 279
Using the ping Command to Verify Network Connectivity 281
Using loopback Commands 282
Specifying the Interface Address on a SPA 282
Optional Configurations 283
Configuring Timing Signals 283
Inverting the Clock Signal 284
Configuring NRZI Format 285
Configuring Cyclic Redundancy Checks 285
Configuring Encapsulation 286
Verifying Encapsulation 286
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 xv
Contents