Users Guide

Command
History
Version Description
9.14(1.0) Introduced on the S4810 and S4820T.
9.14(0.0) Introduced on the S5048F–ON.
9.13(0.0) Introduced on the S3100 series, S3048–ON, S4048–ON, S4048T-ON, S5000,
S6000, S6000–ON, S6010–ON, S6100–ON, Z9100–ON, MXL, and FN-IOM.
Usage
Information
When you reboot the system using the reload command, the system performs OS image verification
on the primary boot image. You can enable boot image hash validation only for images on local flash
partitions such as A: or B:.
Example
DellEMC(config)# verified boot
verified boot hash
Verify and store the hash value of the startup configuration.
Syntax
verified boot hash {system-image {A: | B:} | startup-config} hash value
Parameters
system-image {A:
| B:}
Enter the keyword system-image and A: or B:, depending on where the image
is stored and then the hash value that is present on the iSupport page for your
image.
startup-config Enter the keyword startup-config and then the hash value for the startup
configuration. You can get the hash value for the startup configuration using the
generate hash command.
hash value Enter the MD5, SHA1, or SHA256 hash.
Defaults None
Command Modes EXEC Privilege
Command
History
Version Description
9.14(1.0) Introduced on the S4810 and S4820T.
9.14(0.0) Introduced on the S5048F–ON.
9.13(0.0) Introduced on the S3100 series, S3048–ON, S4048–ON, S4048T-ON, S5000,
S6000, S6000–ON, S6010–ON, S6100–ON, Z9100–ON, Z9500, C9010, MXL, and
FN-IOM.
Usage
Information
Dell EMC Networking OS supports MD5, SHA1, and SHA256.
Example
DellEMC# verified boot hash system-image A:
619A8C1B7A2BC9692A221E2151B9DA9E
verified startup-config
Enable hash validation for the startup configuration during system startup.
Syntax
verified startup-config
To disable hash validation for the startup configuration, use the no verified startup-config
command.
Defaults Not configured
1506 Security