Users Guide

Table Of Contents
Use the vlan option to optionally specify SAV for one or more VLANs. The range is from 1 to 4093. If you do not specify the vlan
option, SAV is enabled on all VLANs of an interfaces.
Enable source IP and MAC address validation
Enable source IP and MAC address validation in INTERFACE mode.
ip dhcp snooping source-address-validation ipmac [vlan vlan-name]
Use the VLAN option to optionally specify SAV for one or more VLANs. The range is from 1 to 4093. If you do not specify the vlan
option, SAV is enabled on all VLANs of an interfaces.
Enable DHCP source MAC address validation
Enable DHCP source MAC address validation in CONFIGURATION mode.
ip dhcp snooping verify mac-address
DHCP commands
default-router address
Assigns a default gateway to clients based on the IP address pool.
Syntax
default-router address [address2...address8]
Parameters
address — Enter an IPv4 or IPv6 address to use as the default gateway for clients on the subnet in A.B.C.D
or A::B format.
address2...address8 — (Optional) Enter up to eight IP addresses, in order of preference.
Default Not congured
Command Mode DHCP-POOL
Usage Information Congure up to eight IP addresses, in order of preference. Use the no version of this command to remove the
conguration.
Example
OS10(conf-dhcp-20.1.1.1)# default-router 20.1.1.100
Supported Releases 10.2.0E or later
disable
Disables the DHCP server.
Syntax
disable
Parameters None
Default Disabled
Command Mode DHCP
Usage Information The no version of this command enables the DHCP server.
186 System management