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Cisco Catalyst 4500 Series Command Reference Guide

Cisco Catalyst 4500 Series
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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip dhcp snooping database
This example shows how to view additional operating statistics:
Switch# show ip dhcp snooping database detail
Agent URL : tftp://10.1.1.1/directory/file
Write delay Timer : 300 seconds
Abort Timer : 300 seconds
Agent Running : No
Delay Timer Expiry : 7 (00:00:07)
Abort Timer Expiry : Not Running
Last Succeded Time : None
Last Failed Time : 17:14:25 UTC Sat Jul 7 2001
Last Failed Reason : Unable to access URL.
Total Attempts : 21 Startup Failures : 0
Successful Transfers : 0 Failed Transfers : 21
Successful Reads : 0 Failed Reads : 0
Successful Writes : 0 Failed Writes : 21
Media Failures : 0
First successful access: Read
Last ignored bindings counters :
Binding Collisions : 0 Expired leases : 0
Invalid interfaces : 0 Unsupported vlans : 0
Parse failures : 0
Last Ignored Time : None
Total ignored bindings counters:
Binding Collisions : 0 Expired leases : 0
Invalid interfaces : 0 Unsupported vlans : 0
Parse failures : 0
Switch#
Related Commands Command Description
ip dhcp snooping Globally enables DHCP snooping.
ip dhcp snooping database Stores the bindings that are generated by DHCP snooping.
ip dhcp snooping information option Enables DHCP option 82 data insertion.
ip dhcp snooping limit rate Configures the number of the DHCP messages that an
interface can receive per second.
ip dhcp snooping trust Enables DHCP snooping on a trusted VLAN.
ip dhcp snooping vlan Enables DHCP snooping on a VLAN or a group of VLANs.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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