Planet XGS3-24042 - Page 266

33-4
Command
Explanation
Port mode
ip dhcp snooping binding
user-control
no ip dhcp snooping binding
user-control
Enable or disable the DHCP snooping binding
user function.
11． Add static binding information
Command
Explanation
Globe mode
ip dhcp snooping binding user
<mac> address <ipAddr> <mask>
vlan <vid> interface (ethernet|)
<ifname>
no ip dhcp snooping binding user
<mac> interface (ethernet|)
<ifname>
Add/delete DHCP
snooping static binding list
entries.
12． Set defense actions
Command
Explanation
Port mode
ip dhcp snooping action
{shutdown|blackhole} [recovery
<second>]
no ip dhcp snooping action
Set or delete the DHCP
snooping automatic
defense actions of ports.
13． Set rate limitation of data transmission
Command
Explanation
Globe mode
ip dhcp snooping limit-rate <pps>
no ip dhcp snooping limit-rate
Set rate limitation of the transmission of DHCP
snooping messages.
14． Enable the debug switch
Command
Explanation
Admin mode
debug ip dhcp snooping packet
debug ip dhcp snooping event
debug ip dhcp snooping update
debug ip dhcp snooping binding
Please refer to the chapter on system
troubleshooting.
15． Configure DHCP Snooping option 82 attributes