Cisco ASR 1000 Series

1-Port OC-192c/STM-64 POS/RPR XFP SPA Architecture 191
Path of a Packet in the Ingress Direction 191
Path of a Packet in the Egress Direction 191
Displaying the SPA Hardware Type 192
Example of the show interfaces Command 192
Example of the show controllers Command 193
CHAPTER 13 Configuring the POS SPAs 195
Configuration Tasks 195
Specifying the Interface Address on a SPA 195
Modifying the Interface MTU Size 196
Interface MTU Configuration Guidelines 196
Interface MTU Configuration Task 197
Verifying the MTU Size 197
Modifying the POS Framing 197
Verifying the POS Framing 198
Modifying the Keepalive Interval 199
Verifying the Keepalive Interval 199
Modifying the CRC Size 200
Verifying the CRC Size 200
Modifying the Clock Source 200
Verifying the Clock Source 201
Modifying SONET Payload Scrambling 201
Verifying SONET Payload Scrambling 201
Configuring the Encapsulation Type 202
Verifying the Encapsulation Type 202
Configuring POS Alarm Trigger Delays 202
Path-Level Triggers 202
Verifying POS Alarm Trigger Delays 203
Saving the Configuration 203
Shutting Down and Restarting an Interface on a SPA 204
Verifying the Interface Configuration 204
Verifying Per-Port Interface Status 204
Monitoring Per-Port Interface Statistics 205
Configuration Examples 205
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS XE
Everest 16.5
OL-14127-17 xi
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