Local Subnet scan

Discussion in 'Colasoft Free Network Tools' started by chads1976, Aug 1, 2008.

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  1. chads1976

    chads1976 Registered Member

    Aug 1, 2008
    Just purchased Mac Scanner Pro and after the demoing i guess i didn't look close enough but it only scans local subnets. i need to be able to scan IP ranges across my WAN is this possible?
  2. Colasoft Support

    Colasoft Support Colasoft Moderator

    Dec 6, 2007
    MAC scanner is working based on ARP protocol.
    Arp protocol is a layer 2 protocol which can not be routed.

    Multi-subnet segments mean there must be a router working as gateway to route traffics.

    Arp can not go across multi-subnet segments because it can not be routed by routers.

    This means to scan across subnets by ARP is not possible.
    Colasoft MAC Scanner is designed to show user the hosts in a flat earth mode networks.

    To scan across subnets, you need to have software scan by routable protocols eg. layer 3 protocols.
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