Concept Guide

DellEMC(conf)#no service timestamps log

DellEMC# show command-history

- Repeated 1 time.

[1d0h26m]: CMD-(CLI):[configure]by default from console

- Repeated 1 time.

[May 17 15:53:10]: CMD-(CLI):[no service timestamps log]by default from console

[May 17 15:53:16]: CMD-(CLI):[write memory]by default from console

- Repeated 3 times.

[May 17 15:53:22]: CMD-(CLI):[show logging]by default from console

- Repeated 1 time.

[May 17 15:53:36]: CMD-(CLI):[write memory]by default from console

- Repeated 5 times.

[May 17 15:53:44]: CMD-(CLI):[show logging]by default from console

[May 17 15:53:53]: CMD-(CLI):[show command-history]by default from console

[May 17 15:54:54]: CMD-(CLI):[end]by default from console

[May 17 15:55:00]: CMD-(CLI):[show logging]by default from console

[May 17 15:55:12]: CMD-(CLI):[show clock]by default from console

[May 17 15:55:22]: CMD-(CLI):[show running-config]by default from console

[May 17 15:55:27]: CMD-(CLI):[show command-history]by default from console

Upgrading Dell EMC Networking OS

To upgrade Dell EMC Networking Operating System (OS), refer to the Release Notes for the version you want to load on the system.

You can download the release notes of your platform at https://www.force10networks.com. Use your login ID to log in to the website.

Verify Software Images Before Installation

To validate the software image on the ash drive, you can use the MD5 message-digest algorithm or SHA256 Secure Hash Algorithm, after

the image is transferred to the system but before the image is installed. The validation calculates a hash value of the downloaded image le

on system’s ash drive, and, optionally, compares it to a Dell EMC Networking published hash for that le.

The MD5 or SHA256 hash provides a method of validating that you have downloaded the original software. Calculating the hash on the

local image le and comparing the result to the hash published for that le on iSupport provides a high level of condence that the local

copy is exactly the same as the published software image. This validation procedure, and the verify {md5 | sha256} command to

support it, prevents the installation of corrupted or modied images.

The verify {md5 | sha256} command calculates and displays the hash of any le on the specied local ash drive. You can

compare the displayed hash against the appropriate hash published on iSupport. Optionally, you can include the published hash in the

verify {md5 | sha256} command, which displays whether it matches the calculated hash of the indicated le.

To validate a software image:

1 Download Dell EMC Networking OS software image le from the iSupport page to the local (FTP or TFTP) server. The published hash

for that le displays next to the software image le on the iSupport page.

Go on to the Dell EMC Networking system and copy the software image to the ash drive, using the copy command.

3 Run the verify {md5 | sha256} [ flash://]img-file [hash-value] command. For example, verify sha256

flash://FTOS-SE-9.5.0.0.bin

4 Compare the generated hash value to the expected hash value published on the iSupport page.

To validate the software image on the ash drive after the image is transferred to the system, but before you install the image, use the

verify {md5 | sha256} [ flash://]img-file [hash-value] command in EXEC mode.

• md5: MD5 message-digest algorithm

• sha256: SHA256 Secure Hash Algorithm

• flash: (Optional) Species the ash drive. The default uses the ash drive. You can enter the image le name.

Getting Started