PLANET XGS3-24042 - Manual (Page 467)

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current load and so on. DCRS-5950 switch message rate limit is 100pps.
Example:
Set the message transmission rate as 50pps.
switch(config)#ip dhcp snooping limit-rate 50
30.27 ip dhcp snooping trust
Command:
ip dhcp snooping trust
no ip dhcp snooping trust
Function:
Set or delete the DHCP Snooping trust attributes of a port.
Command Mode:
Port mode
Default Settings:
By default, all ports are non-trusted ports
Usage Guide:
Only when DHCP Snooping is globally enabled, can this command be set. When a port turns into a
trusted port from a non-trusted port, the original defense action of the port will be automatically
deleted; all the security history records will be cleared (except the information in system log).
Example:
Set port ethernet1/0/1 as a DHCP Snooping trusted port
switch(config)#interface ethernet 1/0/1
switch(Config- Ethernet 1/0/1)#ip dhcp snooping trust
30.28 ip user helper-address
Command:
ip user helper-address <svr_addr> [port <udp_port>] source <src_addr> [secondary]
no ip user helper-address [secondary]
Function:
Set the address and port of HELPER SERVER.
Parameters:
<svr_addr>: The IP address of HELPER SERVER 的 IP in dotted-decimal notation.
udp_port: The UDP port of HELPER SERVER, the range of which is1－65535, and its default