Cisco Catalyst 2960 Series, Configuration Manual

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SUMMARY STEPS
1.
enable
2. configure terminal
3.
ip dhcp snooping
4.
ip dhcp snooping vlan vlan-range
5. ip dhcp snooping information option
6.
ip dhcp snooping information option format remote-id [ string ASCII-string | hostname ]
7. ip dhcp snooping information option allow-untrusted
8. interface interface-id
9.
ip dhcp snooping vlan vlan information option format-type circuit-id
[
override
]
string ASCII-string
10. ip dhcp snooping trust
11.
ip dhcp snooping limit rate rate
12.
exit
13. ip dhcp snooping verify mac-address
14.
end
15. show running-config
16. copy running-config startup-config
DETAILED STEPS
Purpose Command or Action
Enables privileged EXEC mode. Enter your password if prompted. enable Step 1
Example:
Switch> enable
Enters the global configuration mode.
configure terminal
Example:
Switch# configure terminal
Step 2
Enables DHCP snooping globally. ip dhcp snooping
Example:
Switch(config)# ip dhcp snooping
Step 3
Enables DHCP snooping on a VLAN or range of VLANs. The range is
1 to 4094. You can enter a single VLAN ID identified by VLAN ID ip dhcp snooping vlan vlan-range
Example:
Switch(config)#
ip dhcp snooping vlan
10
Step 4
number, a series of VLAN IDs separated by commas, a range of VLAN
IDs separated by hyphens, or a range of VLAN IDs separated by entering
the starting and ending VLAN IDs separated by a space.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1279
How to Configure DHCP Features