How to bind the IP address, MAC address, and interface

The Switch implements binding between an interface and a MAC address through the traffic policy and DHCP snooping. Then the interface allows only the packets with the bound MAC address and packets matching the DHCP snooping binding table to pass through. The Switch does support binding of IP address + MAC address + interface.

For example, to configure Ethernet 0/0/1 to allow only the packets with the source MAC address being 0-02-02 apart from of the packets matching the DHCP snooping binding table, and discard other packets, do as follows:

# Enable DHCP snooping globally.

[HUAWEI] dhcp snooping enable# Create an ACL that permits only the packets with the source MAC address being 0-02-02.

[HUAWEI] acl 4000
[HUAWEI-acl-L2-4000] rule permit source-mac 0-02-02 ffff-ffff-ffff
[HUAWEI-acl-L2-4000] rule deny# Create a traffic classifier that matches ACL 4000.

[HUAWEI] traffic classifier c1
[HUAWEI-classifier-c1] if-match acl 4000# Create a traffic behavior and a traffic policy.

[HUAWEI] traffic behavior b1
[HUAWEI-behavior-b1] permit
[HUAWEI] traffic policy p1
[HUAWEI-trafficpolicy-p1] classifier c1 behavior b1# Apply the traffic policy to Ethernet 0/0/1 so that the interface allows only the packets with the source MAC address 0-02-02 to pass through apart from of the packets matching the DHCP snooping binding table.

In V100R005C00 and later versions, the configuration is as follows:

[HUAWEI] interface Ethernet 0/0/1
[HUAWEI-Ethernet0/0/1] port default vlan 4094
[HUAWEI-Ethernet0/0/1] ip source check user-bind enable
[HUAWEI-Ethernet0/0/1] traffic-policy p1 inbound

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