1.3.5.3 Upgrade Result Verification................................................................................................................................... 68

1.3.6 Version Rollback........................................................................................................................................................71

1.4 Upgrading Version Software in Dual-System Hot Backup.......................................................................................... 74

1.4.1 Overview................................................................................................................................................................... 74

1.4.2 Upgrading System Software in Hot Standby Scenarios (Applicable to Versions Later Than

V500R001C30SPC300)......................................................................................................................................................75

1.4.3 Upgrading System Software in Hot Standby Scenarios (Applicable to Versions Earlier Than

V500R001C30SPC300)......................................................................................................................................................78

1.5 Appendix A: Upgrading System Software Using BootROM.......................................................................................82

1.5.1 Background................................................................................................................................................................82

1.5.2 Upgrade Process Overview....................................................................................................................................... 82

1.5.3 Performing the Upgrade............................................................................................................................................ 83

1.6 Appendix B : Establishing the Upgrade Environment Through the Console Port....................................................... 88

1.6.1 Setting Up an Environment for Upgrading System Software Using Telnet/SSH..................................................... 88

1.6.2 Setting Up an Environment for Upgrading System Software Using Web.................................................................92

1.6.3 Upgrade Troubleshooting.......................................................................................................................................... 95

1.6.3.1 Password of the Console Port Is Forgotten.............................................................................................................95

1.7 Appendix C: Uploading and Downloading Files......................................................................................................... 96

1.7.1 Device Serving as the FTP Client to Upload or Download Files Through FTP....................................................... 96

1.7.2 Device Serving as the SFTP Server to Upload or Download Files Through SFTP.................................................. 97

1.7.3 Device Serving as the TFTP Client to Upload or Download Files Through TFTP................................................ 100

1.8 Appendix D: Applying for a License......................................................................................................................... 101

1.9 Appendix E: Upgrade Record Table...........................................................................................................................103

1.10 Appendix F: Abbreviations...................................................................................................................................... 103

2 USG9500...................................................................................................................................... 105

2.1 Upgrade Preparation and Evaluation.......................................................................................................................... 105

2.1.1 Supported Source Versions...................................................................................................................................... 105

2.1.2 Hardware Support....................................................................................................................................................107

2.1.3 Upgrade Impact....................................................................................................................................................... 109

2.1.3.1 Upgrade Impact from V500R001C80.................................................................................................................. 109

2.1.3.1.1 Impact of Feature Changes................................................................................................................................ 109

2.1.3.1.2 Impact of Command Changes............................................................................................................................111

2.1.3.1.3 Impact of Licenses.............................................................................................................................................120

2.1.3.1.4 Dynamic Loading.............................................................................................................................................. 120

2.1.3.2 Other Upgrade Impacts.........................................................................................................................................122

2.1.4 System Software...................................................................................................................................................... 124

2.2 Upgrading Version Software in Single-System.......................................................................................................... 124

2.2.1 Impact of the Upgrade............................................................................................................................................. 124

2.2.1.1 Impact on the Current System During the Upgrade............................................................................................. 124

2.2.2 Precautions...............................................................................................................................................................124

2.2.3 Upgrade Flow.......................................................................................................................................................... 125

2.2.4 Preparations for the Upgrade................................................................................................................................... 128

2.2.4.1 Obtaining the Version Software Required By the Upgrade..................................................................................128

Issue 01 (2018-01-16)

Huawei Proprietary and Confidential

vii

Table of Contents