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dhcp (deby known/unknown) clients



'giorno a tutti :-)


sto da poco implemendanto dhcp+bind e nonostante l'enorme documentazione in rete ancora mi sfuggono i parametri deny known-client e unknown-client


in che modo dhcp riconosce un host "conosciuto"? non attraverso il MAC address visto che anche non specificandolo gli assegna un IP 151-160 (esempio sotto)


qualcuno che mi può spiegare come funziona shared-network, unknown/known client o ha qualche documento (possibilmente in italiano) che mi faccia da guida?


grazie!!! :-)))


shared-network piccolalan {
    subnet 192.168.1.0 netmask 255.255.255.0 {
        option broadcast-address 192.168.1.255;
        option subnet-mask 255.255.255.0;
        option routers 192.168.1.1;
        option ip-forwarding off;
        option domain-name "small.lan";
        option domain-search "small.lan";
        option domain-name-servers 192.168.1.100;
        default-lease-time 604800;
        max-lease-time 1209600;
    }
    pool {
        deny unknown-clients;
        range 192.168.1.131 192.168.1.140;
    }
    pool {
        deny known-clients;
        range 192.168.1.151 192.168.1.160;
        default-lease-time 14400;
        max-lease-time 28800;
        option domain-name "none";
        option domain-search "none";
        option domain-name-servers 208.67.220.220, 212.216.112.112;
    }
}
host PC7C {
    hardware ethernet XX:XX:XX:XX:XX:XX;
    fixed-address 192.168.1.111;
}
host PC7W {
    hardware ethernet YY:YY:YY:YY:YY:YY;
    fixed-address 192.168.1.111;
}
host PC8C {
    hardware ethernet ZZ:ZZ:ZZ:ZZ:ZZ:ZZ;
    ddns-hostname PC8C;
}
host PC8W {
    hardware ethernet WW:WW:WW:WW:WW:WW;
    ddns-hostname PC8W;
} 

Pol


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