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Commands for DHCP Snooping
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VLAN field fill in VLAN ID. For chassis switch, Slot means slot number, for box switch,
Slot is 1; default Module is 0; Port means port number which begins from 1.
The compatible subscriber-id format with HP manufacturer defined as below:
Port means port number which begins from 1.
Example: Set subscriber-id format of DHCP snooping option82 as hexadecimal format.
Switch(config)#ip dhcp snooping information option subscriber-id format hex
31.26 ip dhcp snooping limit-rate
Command: ip dhcp snooping limit-rate <pps>
no ip dhcp snooping limit-rate
Function: Set the DHCP message rate limit
Parameters: <pps>: The number of DHCP messages transmitted in every minute,
ranging from 0 to 100. Its default value is 100. 0 means that no DHCP message will be
transmitted.
Command Mode: Globe mode
Default Settings: The default value is 100.
Usage Guide: After enabling DHCP snooping, the switch will monitor all the DHCP
messages and implement software transmission. The software performance of the
switch is relative to the type of the switch, its current load and so on.
Example: Set the message transmission rate as 50pps.
switch(config)#ip dhcp snooping limit-rate 50
1 8 0 6 VLAN Slot Module Port
1 byte 1 byte 1 byte 1 byte 2 byte 1 byte 1 byte 2 byte
Suboption
type
Length
Circuit
ID type
Length
1 2
Port
1 byte 1 byte
2 byte
Suboption
type
Length