SMC Networks TigerAccess SMC7816M - Manual (Page 611)

DHCP S
NOOPING
C
OMMANDS
23-23
Command Usage
• This command applies to all VDSL ports. When set, it will
automatically convert an address assigned to an attached CPE by a
DHCP server to a static entry in the MAC address table. The MAC
address, IP address, lease time, VLAN identifier, and port identifier
are stored in the DHCP snooping table as a valid entry.
• If the lease time assigned by the DHCP server expires, or the
connection between the switch and CPE is broken for any reason, the
entry will be reset to a dynamic state.
Example
This example enable service provider mode globally on the switch.
ip dhcp snooping client limit
This command limits the number of host devices which can be attached to
a VDSL port. Use the no form to restore the default setting.
Syntax
ip dhcp snooping client limit number
no ip dhcp snooping client limit
number - Maximum number of attached hosts. (Range: 1-48)
Default Setting
5
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
The switch will monitor messages sent from a DHCP server to the
attached hosts. Once the number of addresses assigned by the DHCP
server reaches the client limit for an interface, no additional entries will
be stored in the DHCP snooping table, and any subsequent
Console(config)#ip dhcp snooping service-provider-mode
Console(config)#