Managed Switch CLI Manual, Release 8.0.3
Switching Commands 3-120
v1.0, July 2010
DHCP Snooping Configuration Commands
This section describes commands you use to configure DHCP Snooping.
ip dhcp snooping
Use this command to enable DHCP Snooping globally.
no ip dhcp snooping
Use this command to disable DHCP Snooping globally.
ip dhcp snooping vlan
Use this command to enable DHCP Snooping on a list of comma-separated VLAN ranges.
Term Definition
Mac Address A unicast MAC address for which the switch has forwarding and or filtering information.
As the data is gleaned from the MFDB, the address will be a multicast address. The
format is 6 or 8 two-digit hexadecimal numbers that are separated by colons, for example
01:23:45:67:89:AB. In an IVL system the MAC address will be displayed as 8 bytes.
Type The type of the entry. Static entries are those that are configured by the end user.
Dynamic entries are added to the table as a result of a learning process or protocol.
Description The text description of this multicast table entry.
Interfaces The list of interfaces that are designated for forwarding (Fwd:) and filtering (Flt:).
Default disabled
Format ip dhcp snooping
Mode Global Config
Format no ip dhcp snooping
Mode Global Config
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