QTECH QSW-3400 Инструкция по настройке - Manual (Page 274)

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35.1.2 DHCP Snooping option 82 Configuration Task List
1. Enable DHCP SNOOPING
2. Enable DHCP Snooping binding function
3. Enable DHCP Snooping option 82 binding function
4. Configure trust ports
1. Enable DHCP SNOOPING
Command Explanation
Global mode
ip dhcp snooping enable
no ip dhcp snooping enable
Enable or disable DHCP SNOOPING
function.
2. Enable DHCP Snooping binding function
Command Explanation
Global mode
ip dhcp snooping binding enable
no ip dhcp snooping binding enable
Enable or disable DHCP SNOOPING binding
function.
3. Enable DHCP Snooping option 82 function
Command Explanation
Global mode
ip dhcp snooping information enable
no ip dhcp snooping information enable
Enable or disable DHCP SNOOPING option
82 function.
4. Configure trust ports
Command Explanation
Port mode
ip dhcp snooping trust
no ip dhcp snooping trust
Set or delete DHCP SNOOPING trust
attribute of ports.