3Com Switch 7750 Series
Command Reference Guide – DHCP Chapter 3 DHCP Snooping Configuration Commands
3-5
Description
Use the display dhcp-snooping vlan command to display the IP-MAC mapping
relations recorded by the DHCP-Snooping-enabled switch in the specified VLAN.
Example
# Display the IP-MAC mapping relations recorded by the DHCP-Snooping-enabled
switch in VLAN 2.
<3Com> display dhcp-snooping vlan 2
DHCP snooping is enabled globally.
The client binding table for untrusted ports on the VLANs assigned.
Type : D--Dynamic , S--Static
Type IP Address MAC Address Lease VLAN Interface
==== =============== =============== ========= ==== =================
D 3.3.3.2 0012-3f83-6eef 0 2 Ethernet3/0/1
--- 1 dhcp snooping item(s) found ---
3.1.7 reset dhcp-snooping Syntax
reset dhcp-snooping [ ip-address ]
View
User view
Parameter
ip-address: Clears the IP/MAC mapping relations recorded by the
DHCP-Snooping-enabled switch.
Description
Use the reset dhcp-snooping command to clear the specified IP-MAC mapping
relation or all the IP-MAC mapping relations recorded by the DHCP-Snooping-enabled
switch.
Related command: dhcp server and display dhcp-server.
Example
# Clear the 10.1.1.1-MAC mapping relation recorded by the DHCP-Snooping-enabled
switch.
<3Com> reset dhcp-snooping 10.1.1.1