397
[SwitchA-FortyGigE1/1/2] ip source binding ip-address 192.168.0.3 mac-address
0001-0203-0405
[SwitchA-FortyGigE1/1/2] quit
# Enable IPv4SG on FortyGigE 1/1/1.
[SwitchA] interface fortygige 1/1/1
[SwitchA-FortyGigE1/1/1] ip verify source ip-address mac-address
# On FortyGigE 1/1/1, configure a static IPv4SG binding for Host A.
[SwitchA-FortyGigE1/1/1] ip source binding ip-address 192.168.0.1 mac-address
0001-0203-0406
[SwitchA-FortyGigE1/1/1] quit
2.
Configure Switch B:
# Configure an IP address for each interface. (Details not shown.)
# Enable IPv4SG on FortyGigE 1/1/2.
<SwitchB> system-view
[SwitchB] interface fortygige 1/1/2
[SwitchB-FortyGigE1/1/2] ip verify source ip-address mac-address
[SwitchB-FortyGigE1/1/2] 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 FortyGigE 1/1/1.
[SwitchB] interface fortygige 1/1/1
[SwitchB-FortyGigE1/1/1] ip verify source ip-address mac-address
# On FortyGigE 1/1/1, configure a static IPv4SG binding for Host B.
[SwitchB-FortyGigE1/1/1] ip source binding mac-address 0001-0203-0407
[SwitchB-FortyGigE1/1/1] 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 FGE1/1/2 N/A Static
192.168.0.3 0001-0203-0406 FGE1/1/1 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 FGE1/1/1 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.
Perform the following tasks: