Configuration Guide 580
Configuring Network Security
DHCP Snooping Configuration
Circuit ID
Customization
Select Enable to manually define the circuit ID field, which is a sub-option of
Option 82. The circuit ID configurations of the switch and the DHCP server should
be compatible with each other.
Circuit ID
Enter the customized circuit ID, which contains up to 64 characters.
Remote ID
Customization
Select Enable to manually define the remote ID field, which is a sub-option of
Option 82. The remote ID configurations of the switch and the DHCP server
should be compatible with each other.
Remote ID
Enter the customized remote ID, which contains up to 64 characters.
LAG
Displays the LAG that the port is in.
2) Click
Apply
.
3.2 Using the CLI
3.2.1 Enabling DHCP Snooping on VLAN
Follow these steps to globally configure DHCP Snooping:
Step 1
configure
Enter global configuration mode.
Step 2
ip dhcp snooping
Globally enable DHCP Snooping.
Step 3
ip dhcp snooping vlan
vlan-range
Enable DHCP Snooping on the specified VLAN.
vlan-range:
Enter the vlan range in the format of 1-3, 5.
Step 4
show ip dhcp snooping
Verify global configuration of DHCP Snooping.
Step 5
end
Return to privileged EXEC mode.
Step 6
copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to enable DHCP Snooping globally and on VLAN 5:
Switch#configure
Switch(config)#ip dhcp snooping
Summary of Contents for T2500G-10MPS
Page 1: ...User Guide T2500G 10MPS 1910012405 REV1 0 1 April 2018...
Page 24: ...Using the CLI 767 Appendix Default Parameters 773...
Page 145: ...Part 5 Monitoring Traffic CHAPTERS 1 Traffic Monitor 2 Appendix Default Parameters...
Page 172: ...Part 7 Configuring DDM CHAPTERS 1 Overview 2 DDM Configuration 3 Appendix Default Parameters...
