ip dhcp snooping verify no-relay-agent-address
To disable the DHCP snooping feature from verifying that the relay agent address (giaddr) in a DHCP client
message matches the client hardware address on an untrusted port, use the
ip dhcp snooping verify
no-relay-agent-address
command in global configuration mode. To enable verification, use the
no
form of
this command.
ip dhcp snooping verify no-relay-agent-address
no ip dhcp snooping verify no-relay-agent-address
Syntax Description
This command has no arguments or keywords.
Command Default
The DHCP snooping feature verifies that the relay-agent IP address (giaddr) field in DHCP client message
on an untrusted port is 0.
Command Modes
Global configuration
Command History
Modification
Release
This command was introduced.
Cisco IOS XE 3.3SECisco IOS XE 3.3SE
Usage Guidelines
By default, the DHCP snooping feature verifies that the relay-agent IP address (giaddr) field in DHCP client
message on an untrusted port is 0; the message is dropped if the giaddr field is not 0. Use the
ip dhcp snooping
verify no-relay-agent-address
command to disable the verification. Use the
no ip dhcp snooping verify
no-relay-agent-address
to reenable verification.
Examples
This example shows how to enable verification of the giaddr in a DHCP client message:
Device(config)#
no ip dhcp snooping verify no-relay-agent-address
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
768
ip dhcp snooping verify no-relay-agent-address
Summary of Contents for Catalyst 3650 Series
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Page 51: ...P A R T II Interface and Hardware Components Interface and Hardware Commands page 27 ...
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Page 399: ...P A R T VII Multiprotocol Label Switching MPLS MPLS page 375 Multicast VPN page 385 ...
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Page 625: ...P A R T X QoS Auto QoS page 601 QoS page 641 ...
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Page 706: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches 680 trust device ...
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Page 1100: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches 1074 vtp primary ...
Page 1102: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches 1076 Notices ...
Page 1108: ...Command Reference Cisco IOS XE Everest 16 5 1a Catalyst 3650 Switches IN 6 Index ...