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# Enable IPv4SG on Ten-GigabitEthernet 1/0/1.
[SwitchA] interface ten-gigabitethernet 1/0/1
[SwitchA-Ten-GigabitEthernet1/0/1] ip verify source ip-address mac-address
# On Ten-GigabitEthernet 1/0/1, configure a static IPv4SG binding for Host A.
[SwitchA-Ten-GigabitEthernet1/0/1] ip source binding ip-address 192.168.0.1
mac-address 0001-0203-0406
[SwitchA-Ten-GigabitEthernet1/0/1] quit
2.
Configure Switch B:
# Configure an IP address for each interface. (Details not shown.)
# Enable IPv4SG on Ten-GigabitEthernet 1/0/2.
<SwitchB> system-view
[SwitchB] interface ten-gigabitethernet 1/0/2
[SwitchB-Ten-GigabitEthernet1/0/2] ip verify source ip-address mac-address
[SwitchB-Ten-GigabitEthernet1/0/2] quit
# Configure a static IPv4SG binding for Host A.
[SwitchB] ip source binding ip-address 192.168.0.1 mac-address 0001-0203-0406
# Enable IPv4SG on Ten-GigabitEthernet 1/0/1.
[SwitchB] interface ten-gigabitethernet 1/0/1
[SwitchB-Ten-GigabitEthernet1/0/1] ip verify source ip-address mac-address
# On Ten-GigabitEthernet 1/0/1, configure a static IPv4SG binding for Host B.
[SwitchB-Ten-GigabitEthernet1/0/1] ip source binding mac-address 0001-0203-0407
[SwitchB-Ten-GigabitEthernet1/0/1] quit
Verifying the configuration
# Verify that the static IPv4SG bindings are configured successfully on Switch A.
<SwitchA> display ip source binding static
Total entries found: 2
IP Address MAC Address Interface VLAN Type
192.168.0.1 0001-0203-0405 XGE1/0/2 N/A Static
192.168.0.3 0001-0203-0406 XGE1/0/1 N/A Static
# Verify that the static IPv4SG bindings are configured successfully on Device B.
<SwitchB> display ip source binding static
Total entries found: 2
IP Address MAC Address Interface VLAN Type
192.168.0.1 0001-0203-0406 N/A N/A Static
N/A 0001-0203-0407 XGE1/0/1 N/A Static
Dynamic IPv4SG using DHCP snooping configuration example
Network requirements
As shown in
, the host (the DHCP client) obtains an IP address from the DHCP server.
Enable DHCP snooping on the device to record the IPv4 address and the MAC address of the host in a
DHCP snooping entry.