
C H A P T E R 1 1
Troubleshooting the Gigabit Ethernet SPAs
General Troubleshooting Information
Performing Basic Interface Troubleshooting
Verifying the Line Protocol Is Up
Understanding SPA Automatic Recovery
When Automatic Recovery Occurs
Using the Cisco IOS Event Tracer to Troubleshoot Problems
Preparing for Online Insertion and Removal of a SPA
C H A P T E R 1 2
SONET/SDH Error, Alarm, and Performance Monitoring Features
SONET/SDH Synchronization Features
4-Port OC-3c/STM-1 POS SPA Architecture
Path of a Packet in the Ingress Direction
Path of a Packet in the Egress Direction
2-Port OC-48c/STM-16 POS SPA Architecture
Path of a Packet in the Ingress Direction
Path of a Packet in the Egress Direction
Cisco ASR 1000 Series Aggregation Services Routers SIP and SPA Software Configuration Guide, Cisco IOS
XE Everest 16.5
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OL-14127-17
Contents