Displaying Dhcp Snooping Binding Information - Edge-Core ECS4810-12M Layer 2 Management Manual

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| Security Measures

DHCP Snooping

Circuit ID – Specifies DHCP Option 82 circuit ID suboption information.

Mode – Specifies the default string "VLAN-Unit-Port" or an arbitrary

string. (Default: VLAN-Unit-Port)

Value – An arbitrary string inserted into the circuit identifier field.

(Range: 1-32 characters)

To configure global settings for DHCP Snooping:

Click IP Service, DHCP Snooping.

Select Configure Interface from the Step list.

Set any ports within the local network or firewall to trusted.

Specify the mode used for sending circuit ID information, and an

arbitrary string if required.

Figure 226: Configuring the Port Mode for DHCP Snooping

Use the IP Service > DHCP > Snooping (Show Information) page to display

entries in the binding table.

"show ip dhcp snooping binding" on page 899

These parameters are displayed:

MAC Address – Physical address associated with the entry.

IP Address – IP address corresponding to the client.

Lease Time – The time for which this IP address is leased to the client.

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