Dell PowerConnect 5548P System User's Manual page 579

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The following table summarizes the CLI commands for configuring DHCP
snooping global parameters
DHCP Snooping Global Parameters
Table 19-2.
CLI Command
ip dhcp snooping
no ip dhcp snooping
ip dhcp snooping information
option allowed-untrusted
no ip dhcp snooping information
option allowed-untrusted
ip dhcp snooping verify
no ip dhcp snooping verify
ip dhcp snooping database
no ip dhcp snooping database
ip dhcp snooping database
update-freq seconds
no ip dhcp snooping database
update-freq
show ip dhcp snooping
[[gigabitethernet|tengigabiteth
ernet] port-number|port-channel
LAG-number]
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Dell PowerConnect 55xx Systems User Guide
Contax\CxUGSwitching_DHCP.fm
.
CLI Commands
Description
Globally enables DHCP snooping.
Use the no form of this command to
return to the default setting.
Allows a device to accept DHCP
packets with option-82 information
from an untrusted port.
Use the no form of this command to
return to the default setting.
Configures the switch to verify on an
untrusted port that the source MAC
address in a DHCP packet matches the
client hardware address.
Use the no form of this command to
configure the switch to not verify the
MAC addresses.
Configures the DHCP snooping
binding file.
Use the no form of this command to
delete the binding file.
Configures the update frequency of
the DHCP snooping binding file.
Use the no form of this command to
return to default.
Displays the DHCP snooping
configuration.