SNR S2940-8G-v2, Configuration Manual

Page: 253 / 420

SNR S2940-8G-v2 Switch Configuration Guide
DHCP Snooping Configuration
2. Enable DHCP Snooping binding
Command Explanation
Global mode
ip dhcp snooping binding enable
no ip dhcp snooping binding enable Enable or disable the DHCP snooping binding func-
tion.
3. Enable DHCP Snooping binding ARP function
Command Explanation
Global mode
ip dhcp snooping binding arp
no ip dhcp snooping binding arp Enable or disable the dhcp snooping binding ARP
function.
4. Enable DHCP Snooping option82 function
Command Explanation
Global mode
ip dhcp snooping information enable
no ip dhcp snooping information enable Enable/disable DHCP Snooping option 82 func-
tion.
5. Set the private packet version
Command Explanation
Global mode
ip user private packet version two
no ip user private packet version two To configure/delete the private packet version.
6. Set DES encrypted key for private packets
Command Explanation
Global mode
enable trustview key 0/7 <password>
no enable trustview key To configure/delete DES encrypted key for pri-
vate packets.
7. Set helper server address
Command Explanation
Global mode
ip user helper-address A.B.C.D [port <udpport>]
source <ipAddr> (secondary|)
no ip user helper-address (secondary|) Set or delete helper server address.
8. Set trusted ports
Command Explanation
Port mode
ip dhcp snooping trust
no ip dhcp snooping trust Set or delete the DHCP snooping trust attributes of ports.
253