show ip-security dhcp-snooping violations

show ip-security dhcp-snooping violations [ {vlan} vlan_name | vlan vlan_list]

Description

Displays the MAC addressed from which the rouge DHCP packet was received by the switch.

Syntax Description

`vlan_name`	Specifies the name of the DHCP-snooping VLAN.
`vlan_list`	Specifies the DHCP-snooping VLAN list of IDs.

Default

N/A.

Usage Guidelines

The switch displays the following DHCP snooping information:

Port—The specific port that received the rouge DHCP packet.
Violating MAC—The MAC address from which the rouge DHCP was received by the switch.

Example

The following sample output displays the DHCP snooping violations for the VLAN green:

# show ip-security dhcp-snooping violations green
Violations seen on following ports
-------------------------------------------
Port            Violating MAC
-------------------------------------------
2:3             00-0c-11-a0-3e-12

History

This command was first available in ExtremeXOS 11.6.

The vlan_list variable was added in ExtremeXOS 16.1.

Platform Availability

This command is available on BlackDiamond X8 series switches, BlackDiamond 8000 series modules, and Summit Family switches.

Published August 2016prev | next

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