Reference Guide

800 | Security
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To apply a MAC ACL on a VTY line, use the same access-class command as IP ACLs (Figure 44-15).
Figure 44-15 shows how to deny incoming connections from subnet 10.0.0.0 without displaying a login
prompt.
Figure 44-15. Example Access Class Configuration Using TACACS+ Without Prompt
Dell(conf)#mac access-list standard sourcemac
Dell(config-std-mac)#permit 00:00:5e:00:01:01
Dell(config-std-mac)#deny any
Dell(conf)#
Dell(conf)#line vty 0 9
Dell(config-line-vty)#access-class sourcemac
Dell(config-line-vty)#end