Cisco Cisco ASR 5500 トラブルシューティングガイド

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Contents
Introduction
Prerequisites
Requirements 
Components Used
Memory Issues
Kernel Crash
Memory Not Detected
Introduction
This document describes how to identify memory issues in ASR5K-PSC-32G (Packet Services
Card 2 (PSC2)) and ASR5K-PSC-64G (Packet Services Card 3 (PSC3)) cards. The symptom
seen when the problem is present is that the card resets itself. All information required to
troubleshoot is available in Show Support Detail (SSD).
Prerequisites
Requirements 
Cisco recommends that you have knowledge of the CLI of the Aggregation Services Router 5000
(ASR5K).
Components Used
This document is not restricted to specific software and hardware versions.
The information in this document was created from the devices in a specific lab environment. All of
the devices used in this document started with a cleared (default) configuration. If your network is
live, make sure that you understand the potential impact of any command.
Memory Issues
Either the Packet Services Card 2 (PSC2) or the Packet Services Card 3 (PSC3) might crash
ether due to a kernel crash or missing heartbeat.
Kernel Crash
A Kernel crash can happen when the card experiences multiple Correctable Memory Errors or a
single Uncorrectable Memory Error. In order to identify if the issue is kernel crash follow
these steps:
In the SSD, check show crash list for kernel crash:
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