3Com MSR 30, MSR 50 Display dhcp-snooping trust, Related command display dhcp-snooping trust

748CHAPTER 54: DHCP SNOOPING CONFIGURATION COMMANDS

All ports are untrusted by default.

Related command: display dhcp-snooping trust.

Example # Set port Ethernet 1/0 as trusted.

<Sysname> system-view

[Sysname] interface ethernet 1/0 [Sysname-Ethernet1/0] dhcp-snooping trust

display dhcp-snooping

Syntax	display dhcp-snooping
View	Any view
Parameter	None
Description	Use the display dhcp-snoopingcommand to display the binding information
	recorded through DHCP snooping.
Related command:	dhcp-snooping.

n Using the display dhcp-snoopingcommand displays IP-to-MAC bindings that are present both in the DHCP-ACK and DHCP-REQUEST messages.

Example # Display DHCP snooping address binding information.

<Sysname> display dhcp-snooping
DHCP Snooping is enabled.
The client binding table for all untrusted ports.
Type : D--Dynamic , S--Static
Type	IP Address	MAC Address	Lease	VLAN	Interface
====	===============	===============	========== ==== =================
D	10.1.1.1	00e0-fc00-0006	286 1	Ethernet1/0
---	1 dhcp-snooping item(s) found ---
Table 136 Description on fields of the display dhcp snooping command
Field		Description
Type		Binding type
IP Address		IP address assigned to the DHCP client
MAC Address		MAC address of the DHCP client
Lease		Lease period of the IP address in seconds
VLAN		VLAN where the port connecting the DHCP client resides
Interface		Port to which the DHCP client is connected

display dhcp-snooping trust

Syntax display dhcp-snooping trust