T3700G-28TQ
 
JetStream 28-Port Gigabit Stackable L3 Managed Switch CLI Guide 
 
81 
idx —— The entry number needed to be deleted. You can use the show ip 
source binding command to get the idx. Pay attention that the entry number is 
the actual number in the binding table which is not display in an arranged order. 
Command Mode 
Global Configuration Mode 
Example 
Bind an ACL entry with the IP 192.168.0.1, MAC 00:00:00:00:00:01, VLAN ID 2 
and the Port number 5 manually. And then enable the entry for the ARP 
detection and IP filter function: 
T3700G-28TQ(config)#ip source binding host1 192.168.0.1 
00:00:00:00:00:01 vlan 2 interface gigabitEthernet 1/0/5 both 
Delete the IP-MAC–VID-PORT entry with the index 5: 
T3700G-28TQ(config)#no ip source binding unit 1 index 5 
ip dhcp snooping 
Description 
The ip dhcp snooping command is used to enable DHCP Snooping function 
globally. To disable DHCP Snooping function globally, please use no ip dhcp 
snooping command. DHCP Snooping functions to monitor the process of the 
Host obtaining the IP address from DHCP server, and record the IP address, 
MAC address, VLAN and the connected Port number of the Host for automatic 
binding. The switch can also propagate the control information and the network 
parameters via the Option 82 field to provide more information for the Host. 
Syntax 
ip dhcp snooping 
no ip dhcp snooping 
Command Mode 
Global Configuration Mode 
Example 
Enable the DHCP Snooping function globally: 
T3700G-28TQ(config)#ip dhcp snooping