Cisco Catalyst 3750 User Manual

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Catalyst 3750 Switch Command Reference
OL-8552-07
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
ip dhcp snooping vlan
ip dhcp snooping vlan
Use the ip dhcp snooping vlan global configuration command to enable DHCP snooping on a VLAN.
Use the no form of this command to return to the default setting.
ip dhcp snooping vlan vlan-range
no ip dhcp snooping vlan vlan-range
Syntax Description
Defaults DHCP snooping is disabled on all VLANs.
Command Modes Global configuration
Command History
Usage Guidelines You must first globally enable DHCP snooping before enabling DHCP snooping on a VLAN.
Examples This example shows how to enable DHCP snooping on VLAN 10:
Switch(config)# ip dhcp snooping vlan 10
You can verify your settings by entering the show ip dhcp snooping user EXEC command.
Related Commands
vlan-range Specify a VLAN ID or a range of VLANs on which to enable DHCP snooping. The
range is 1 to 4094.
You can enter a single VLAN ID identified by VLAN ID 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.
Release Modification
12.1(19)EA1 This command was introduced.
Command Description
show ip dhcp snooping Displays the DHCP snooping configuration.
show ip dhcp snooping binding Displays the DHCP snooping binding information.

Cisco Catalyst 3750 Specifications

General

Device Type	Switch
Switching Capacity	32 Gbps
Forwarding Rate	38.7 Mpps
Stacking Bandwidth	32 Gbps
RAM	128 MB
Jumbo Frame Support	Yes
Switch Type	Managed
Model	Catalyst 3750 Series
Uplink Interfaces	SFP
Form Factor	Rack-mountable
MAC Address Table Size	12, 000 entries
Routing Protocol	RIP, OSPF, EIGRP
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Layer 3 switching, Layer 2 switching, auto-negotiation, BOOTP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, MAC address filtering, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Cisco EnergyWise technology
Power over Ethernet (PoE)	PoE
Operating Temperature	-5 - 45 °C
Operating Humidity	10% to 85% non-condensing