Users Guide

Changes in Configuration Files

Configuration files have three commented lines at the beginning of the file, as shown in the following example, to help you track the last

time any user made a change to the file, which user made the changes, and when the file was last saved to the startup-configuration.

In the running-configuration file, if there is a difference between the timestamp on the “Last configuration change,” and “Startup-config

last updated,” you have made changes that have not been saved and will not be preserved after a system reboot.

Example of the show running-config Command

Dell#show running-config

Current Configuration ...

! Version 1-0(0-4013)

! Last configuration change at Wed Jun 3 16:24:25 2015 by admin

boot system rpm0 primary system: A:

boot system rpm0 secondary tftp://10.16.127.35/DT-MAA-C9000-3

boot system rpm0 default system: A:

boot system rpm1 primary system: A:

boot system rpm1 secondary tftp://10.16.127.35/DT-MAA-C9000-3

boot system rpm1 default system: A:

boot system gateway 10.16.127.148

service timestamps log datetime

logging coredump

hostname Dell

Viewing Command History

The command-history trace feature captures all commands entered by all users of the system with a time stamp and writes these

messages to a dedicated trace log buffer.

The system generates a trace message for each executed command. No password information is saved to the file.

To view the command-history trace, use the show command-history command.

Example of the show command-history Command

Dell#show command-history

[12/5 10:57:8]: CMD-(CLI):service password-encryption

[12/5 10:57:12]: CMD-(CLI):hostname Force10

[12/5 10:57:12]: CMD-(CLI):ip telnet server enable

[12/5 10:57:12]: CMD-(CLI):line console 0

[12/5 10:57:12]: CMD-(CLI):line vty 0 9

Upgrading the Dell Networking OS

To upgrade the Dell Networking operating system on the switch, refer to the Release Notes for the software version you want to load.

NOTE

: If VLT is already configured in a device loaded with Dell Networking OS version 9.9(0.0), you must first remove the VLT

configuration to upgrade to the Dell Networking OS version 9.10(0.0) or later. After removing the VLT configuration, upgrade

each VLT node and its corresponding single-homed PE individually and then reload both nodes as well as PEs. After the CBs and

PEs come up with Dell Networking OS version 9.10(0.0) or later, configure VLT again. When you configure VLT, the PEs first go

down and then come up.

For information about how to verify newly copied or currently running software images, see:

• Using Hashes to Validate Software Images

Getting Started