All the hosts configured IP - MAC binding by the user can’t access to the Internet, after cancel the binding, problem disappeared.
Check the user configuration, find that the user enabled the sub-interface under interface, and encapsulated the corresponding vlan. But IP - MAC binding configuration did not add vid parameter, so cause the impassability.
After modify the user IP - MAC binding configuration and add vid parameter, test again and it becomed normal.
The user configuration is improper
When configure IP - MAC binding, for the following two kinds of circumstance, must configure vid parameter, and relating the corresponding VLAN:
through the VLANIF make SW port at the route port, used for forwarding the VLAN message.
In the route port establish sub-interface, and through the vlan - type dot1q command specifying the vlan belong to sub-interface, used for forwarding the vlan message.