(config)#mac access-list extended macext5
(config-ext-macl)#deny any host 0000.0000.0009
(config-ext-macl)#deny any host 0000.0000.0010
(config-ext-macl)#permit any host 0000.0000.0011
(config-ext-macl)#permit any host 0000.0000.0012
for more info, check the following link: #https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_data_acl/configuration/xe-3s/asr903/sec-data-acl-xe-3s-asr903-book/mac-access-control-lists.htm
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