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Siemens S223 User Manual

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UMN:CLI                                                                                                                                                              User  Manual 
SURPASS hiD 6615 S223/S323 R1.5 
262                                                                         A50010-Y3-C150-2-7619 
To enable IP source guard, DHCP snooping needs to be enabled. 
 
To enable IP source guard with a source IP address filtering on a port, use the following 
command. 
Command Mode 
Description 
ip dhcp verify source
 PORTS 
Enables IP source guard with a source IP address 
filtering on a port. 
no ip dhcp verify source
 PORTS
Global 
Disables IP source guard. 
 
To enable IP source guard with a source IP address and MAC address filtering on a port, 
use the following command. 
Command Mode 
Description 
ip dhcp verify source port-
security
 PORTS 
Enables IP source guard with a source IP address and 
MAC address filtering on a port. 
no ip dhcp verify source port-
security
 PORTS 
Global 
Disables IP source guard. 
 
You cannot configure IP source guard with the ip dhcp verify source and ip dhcp verify 
source port-security
 commands together. 
 
8.8.8.2 
Static IP Source Binding 
The IP source binding table has bindings that are learned by DHCP snooping or manually 
specified with the ip dhcp verify source binding command. The switch uses the IP 
source binding table only when IP source guard is enabled. 
To specify a static IP source binding entry, use the following command. 
Command Mode 
Description 
ip dhcp verify source binding
 
<1-4094>  PORT  A.B.C.D  MAC-
ADDR
 
Specifies a static IP source binding entry. 
1-4094: VLAN ID 
PORT: port number 
A.B.C.D: IP address 
MAC-ADDR: MAC address 
no ip dhcp verify source binding
 
{A.B.C.D | all} 
Global 
Deletes a specified static IP source binding. 
 
8.8.8.3 
Displaying IP Source Guard Configuration 
To display IP source binding table, use the following command. 
Command Mode 
Description 
show ip dhcp verify source 
binding 
Enable 
Global 
Shows IP source binding entries. 
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