DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide
166
no ip dhcp relay information trust-all
Parameters
None.
Default
By default, this option is disabled.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
When IP DHCP relay information trust option is enabled on an interface, the arriving packets with a
GIADDR of 0 (this relay agent is the first relay of this DHCP request packet) but with relay agent
information option present will be accepted. If it is not trusted, these packets will be dropped.
When this command’s setting is enabled, IP DHCP relay information is trusted for all interfaces. When
this command’s setting is disabled, the trust state is determined by the interface mode command
ip
dhcp relay information trusted
.
Verify settings by entering the
show ip dhcp relay information trusted-sources
command.
Example
This example shows how to enable the DHCP relay agent to trust IP DHCP relay information for all
interfaces. The DHCP relay agent trusts the relay information for all interfaces regardless of what the
setting of
ip dhcp relay information trusted
command.
Switch# configure terminal
Switch(config)# ip dhcp relay information trust-all
Switch(config)#
17-15
ip dhcp relay information trusted
This command is used to enable the DHCP relay agent to trust the relay information for the interface.
Use the
no
form of this command to disable the trusting of relay information for the interface.
ip dhcp relay information trusted
no ip dhcp relay information trusted
Parameters
None.
Default
By default, information is not trusted.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 12.
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