Administrator Guide

• Router advertisement (134)
• Neighbor solicitation (135)
• Neighbor advertisement (136)
• Redirect (137)
• Router renumbering (138)
• MLD v2 listener report (143)
• Duplicate Address Request (157)
• Duplicate Address Confirmation (158)
drop icmp
Drops the ICMPv4 and ICMPv6 packets.
Syntax
drop {icmp | icmp6}
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other Platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.11.0.0 Introduced on the S4810, S4820T, S3048–ON, S3100 Series, S4048–ON, S5000, S6000,
S6000–ON, Z9500, Z9100–ON, S6100–ON, S6010–ON, S4048T–ON, C9000, and MXL.
Usage Information
When the drop icmp feature is configured, the system drops the ICMP reply messages on the front end and
management interfaces. By default, the Dell EMC Networking OS responds to all the ICMP messages.
NOTE: There is no separate CLI to enable IP ID randomness. By default, the IP ID in the kernel is
randomized.
For more information on the ICMP message types, see the ICMP Commands section.
System Security Commands
The following section lists the system security commands.
generate hash
Generate a hash checksum for the given file or the startup configuration using the MD5, SHA1, or SHA256 algorithm.
Syntax
generate hash {md5 | sha1 | sha256} {flash://filename | startup-config}
Parameters
md5 | sha1 |
sha256
Enter the keyword md5, sha1, or sha256 to generate .
flash:// filename Enter the keyword flash: and enter the filename to generate the hash checksum for
any file in the flash drive using the MD5, SHA1, or SHA256 algorithm.
startup-config Enter the keyword shartup-config to generate the hash checksum for the startup
configuration using the MD5, SHA1, or SHA256 algorithm.
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.
Security 1399