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Examples: Permit the passage of packets with source MAC address 00-00-XX-XX-00-01,
and deny passage of packets with source MAC address 00-00-00-XX-00-ab.
Switch(config)# access-list 700 permit 00-00-00-00-00-01 00-00-FF-FF-00-00
Switch(config)# access-list 700 deny 00-00-00-00-00-ab 00-00-00-FF-00-00
27.8 clear access-group statistic
Command: clear access-group statistic [ethernet <interface-name> ]
Functions: Empty packet statistics information of assigned interfaces.
Parameters: <interface-name>: Interface name.
Command Mode: Admin mode
Default: None
Examples: Empty packet statistics information of interface.
Switch#clear access-group statistic
27.9 firewall
Command: firewall {enable | disable}
Functions: Enable or disable firewall.
Parameters: enable means to enable of firewall; disable means to disable firewall.
Default: It is no use if default is firewall.
Command Mode: Global mode
Usage Guide: Whether enabling or disabling firewall, access rules can be configured. But
only when the firewall is enabled, the rules can be used in specific orientations of specific
ports. When disabling the firewall, all ACL tied to ports will be deleted.
Examples: Enable firewall.
Switch(config)#firewall enable
27.10 firewall default
Command: firewall default {permit | deny}
Functions: Configure default actions of firewall.
Parameters: permit means to permit data packets to pass; deny means to deny all data
packets to pass.
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