Hi janasec,

As a Perl one-liner:

$ echo '2015/07/25 23:01:48 Test1:pass cfgshow Defined configuration:
>  cfg:   FC_DVT  MEZZI; MEZZI1
>  zone:  MEZZI   mezzi1; mezzi2; sanblaze
>  zone:  MEZZI1  mezzi3; mezzi4; sanblaze
>  zone:  vikash_enfield
>                 10:00:00:00:c9:a1:95:aa; 10:00:00:00:c9:a1:95:ab;
>                 20:00:00:11:0d:34:56:00
>  alias: mezzi1  10:00:00:00:c9:cd:cc:6c
>  alias: mezzi2  10:00:00:00:c9:cd:cc:6d
>  alias: mezzi3  10:00:00:90:fa:2e:dd:9f
>  alias: mezzi4  10:00:00:90:fa:2e:dd:a0
>  alias: sanblaze
>                 20:01:00:11:0d:34:57:00
>
> Effective configuration:
>  cfg:   FC_DVT
>  zone:  MEZZI   10:00:00:00:c9:cd:cc:6c
>                 10:00:00:00:c9:cd:cc:6d
>                 20:01:00:11:0d:34:57:00
>  zone:  MEZZI1  10:00:00:90:fa:2e:dd:9f
>                 10:00:00:90:fa:2e:dd:a0
>                 20:01:00:11:0d:34:57:00
> ' | perl -e 'print grep /FC_DVT/, <>;'
 cfg:   FC_DVT  MEZZI; MEZZI1
 cfg:   FC_DVT
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