449
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-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.
[DeviceA-Ten-GigabitEthernet1/0/1] ip source binding ip-address 192.168.0.1
mac-address 0001-0203-0406
[DeviceA-Ten-GigabitEthernet1/0/1] quit
2. Configure Device B:
# Configure an IP address for each interface. (Details not shown.)
# Enable IPv4SG on Ten-GigabitEthernet 1/0/2.
<DeviceB> system-view
[DeviceB] interface ten-gigabitethernet 1/0/2
[DeviceB-Ten-GigabitEthernet1/0/2] ip verify source ip-address mac-address
[DeviceB-Ten-GigabitEthernet1/0/2] quit
# Configure a static IPv4SG binding for Host A.
[DeviceB] ip source binding ip-address 192.168.0.1 mac-address 0001-0203-0406
# Enable IPv4SG on Ten-GigabitEthernet 1/0/1.
[DeviceB] interface ten-gigabitethernet 1/0/1
[DeviceB-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.
[DeviceB] interface ten-gigabitethernet 1/0/1
[DeviceB-Ten-GigabitEthernet1/0/1] ip source binding mac-address 0001-0203-0407
[DeviceB-Ten-GigabitEthernet1/0/1] quit
Verifying the configuration
# Verify that the static IPv4SG bindings are configured successfully on Device A.
<DeviceA> 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.
<DeviceB> 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 Figure 123, the host (the DHCP client) obtains an IP address from the DHCP server.
Perform the following tasks:
• Enable DHCP snooping on the device to make sure the DHCP client obtains an IP address from
the authorized DHCP server. To generate a DHCP snooping entry for the DHCP client, enable
recording of client information in DHCP snooping entries.
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