configure trusted-servers add server
Description
Configures and enables a trusted DHCP server on the switch.
Syntax Description
vlan_name | Specifies the VLAN name. |
ip_address | Specifies the IP address of the trusted DHCP server. |
Default
N/A.
Usage Guidelines
If you configured trusted DHCP server, the switch forwards only DHCP packets from the trusted servers. The switch drops DHCP packets from other DHCP snooping-enabled ports.
You can configure a maximum of eight trusted DHCP servers on the switch.
If you configure a port as a trusted port, the switch assumes that all DHCP server packets on that port are valid.
Displaying DHCP Trusted Server Information
To display the DHCP snooping configuration settings, including DHCP trusted servers if configured, use the following command:
show ip-security dhcp-snooping {vlan} vlan_nameTo display any violations that occur, including those on the DHCP trusted servers if configured, use the following command:
show ip-security dhcp-snooping violations {vlan} vlan_nameExample
The following command configures a trusted DHCP server on the switch:
configure trusted-servers vlan purple add server 10.10.10.10 trust-for dhcp-server
History
This command was first available in ExtremeXOS 11.6.
Platform Availability
This command is available on Summit X440-G2, X450-G2, X460-G2, X620, X670-G2, X770 series switches.