H3C S7500 Series Ethernet Switches Command Manual

Table Of Contents
Command Manual – DHCP
H3C S7500 Series Ethernet Switches Chapter 3
DHCP Snooping Configuration Commands
3-3
Description
Use the dhcp-snooping information enable command to enable DHCP-Snooping
option 82.
Use the undo dhcp-snooping information enable command to disable
DHCP-Snooping option 82.
DHCP-Snooping option 82 is disabled by default.
Examples
# Enable DHCP-Snooping option 82.
<H3C> system-view
System View: return to User View with Ctrl+Z.
[H3C] dhcp-snooping information enable
DHCP snooping option 82 is enabled globally.
3.1.4 display dhcp-snooping
Syntax
display dhcp-snooping
View
Any view
Parameters
None
Description
Use the display dhcp-snooping command to display the IP-MAC mapping relations
recorded by the DHCP snooping-enabled switch.
Related commands: dhcp-snooping.
Examples
# Display the IP-MAC mapping relations recorded by the DHCP snooping-enabled
switch.
<H3C> display dhcp-snooping
DHCP snooping is enabled globally.
Type : D--Dynamic , S--Static
Type IP Address MAC Address Lease VLAN Interface
==== =============== =============== ========= ==== =================
--- 0 DHCP snooping item(s) found ---