Huawei V200R001C01 - 1 Hardware; 1.1 Board Registration Troubleshooting; 2 System

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Contents

About This Document.....................................................................................................................ii

1 Hardware.........................................................................................................................................1

1.1 Board Registration Troubleshooting..................................................................................................................2

1.1.1 A Board Fails to Be Registered.................................................................................................................2

2 System..............................................................................................................................................5

2.1 CPU Troubleshooting.........................................................................................................................................6

2.1.1 CPU Usage Is High....................................................................................................................................6

2.2 Telnet Troubleshooting.....................................................................................................................................10

2.2.1 The User Fails to Log in to the Server Through Telnet...........................................................................10

2.3 SSH Troubleshooting.......................................................................................................................................13

2.3.1 The User Fails to Log in to the Server Through SSH.............................................................................13

2.4 Mirroring Troubleshooting...............................................................................................................................17

2.4.1 Monitoring Device Does Not Receive Any Mirrored Packet After Port Mirroring Is Configured.........17

2.4.2 Monitoring Device Does Not Receive Any Mirrored Packets After Traffic Mirroring Is Configured

..........................................................................................................................................................................20

2.4.3 Troubleshooting Cases............................................................................................................................23

2.5 SNMP Troubleshooting....................................................................................................................................26

2.5.1 An SNMP Connection Cannot Be Established........................................................................................26

2.5.2 The NMS Fails to Receive Trap Messages from the Host......................................................................29

2.6 NQA Troubleshooting......................................................................................................................................31

2.6.1 A UDP Jitter Test Instance Fails to Be Started.......................................................................................31

2.6.2 A Drop Record Exists in the UDP Jitter Test Result...............................................................................33

2.6.3 A Busy Record Exists in the UDP Jitter Test Result...............................................................................35

2.6.4 A Timeout Record Exists in the UDP Jitter Test Result.........................................................................37

2.6.5 The UDP Jitter Test Result Is "Failed", "No Result" or "Packet Loss"...................................................39

2.7 NTP Troubleshooting.......................................................................................................................................41

2.7.1 The Clock Is Not Synchronized...............................................................................................................41

2.8 CWMP Troubleshooting...................................................................................................................................42

2.8.1 Failed to Manage AR2200-S Using CWMP...........................................................................................42

3 Physical Connection and Interfaces.........................................................................................46

3.1 Eth-Trunk Interface Troubleshooting...............................................................................................................47

3.1.1 Eth-Trunk Interface Cannot Forward Traffic..........................................................................................47

Huawei AR2200-S Series Enterprise Routers

Troubleshooting Contents

Issue 01 (2012-01-06) Huawei Proprietary and Confidential