H3C Technologies H3C S12500 Series Switches - Manual (Page 96)

82
Step Command Remarks
1. Enter system view. system-view N/A
2. Enter interface view. interface interface-type interface-number N/A
3. Enable DHCP-REQUEST
message check.
dhcp-snooping check request-message Disabled by default.
NOTE:
You can enable DHCP-REQUEST message check only on Layer 2 Ethernet interfaces and Layer 2
aggregate interfaces.
Displaying and maintaining DHCP snooping
Task Command Remarks
Display DHCP snooping entries.
display dhcp-snooping [ ip ip-address ]
[ | { begin | exclude | include }
regular-expression ]
Available in any view.
Display Option 82 configuration
information on the DHCP snooping
device.
display dhcp-snooping information { all |
interface interface-type
interface-number } [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Display DHCP packet statistics on the
DHCP snooping device (in standalone
mode).
display dhcp-snooping packet statistics
[ slot slot-number ] [ | { begin | exclude |
include } regular-expression ]
Available in any view.
Display DHCP packet statistics on the
DHCP snooping device (in IRF mode).
display dhcp-snooping packet statistics
[ chassis chassis-number slot slot-number ]
[ | { begin | exclude | include }
regular-expression ]
Available in any view.
Display information about trusted
ports. display dhcp-snooping trust [ | { begin |
exclude | include } regular-expression ]
Available in any view.
Display the DHCP snooping entry file
information.
display dhcp-snooping binding database
[ | { begin | exclude | include }
regular-expression ]
Available in any view.
Clear DHCP snooping entries. reset dhcp-snooping { all | ip ip-address } Available in user view.
Clear DHCP packet statistics on the
DHCP snooping device (in standalone
mode).
reset dhcp-snooping packet statistics
[ slot slot-number ]
Available in user view.
Clear DHCP packet statistics on the
DHCP snooping device (in IRF mode). reset dhcp-snooping packet statistics
[ chassis chassis-number slot slot-number ] Available in user view.