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To apply a MAC ACL on a VTY line, use the same access-class command as IP ACLs (Figure 43-18).
Figure 43-18 shows how to deny incoming connections from subnet 10.0.0.0 without displaying a login
prompt.
Figure 43-18. Example Access Class Configuration Using TACACS+ Without Prompt
FTOS(conf)#mac access-list standard sourcemac
FTOS(config-std-mac)#permit 00:00:5e:00:01:01
FTOS(config-std-mac)#deny any
FTOS(conf)#
FTOS(conf)#line vty 0 9
FTOS(config-line-vty)#access-class sourcemac
FTOS(config-line-vty)#end
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