Question about wan scanningNetwork Administration

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This topic contains 3 replies, has 3 voices, and was last updated by  cybermo 1 year, 6 months ago.

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  • #53994


    Hi to all, is it possible to get the
    exact mac address of router outside of
    my network?
    Coz Ive tried capturing packets in wan scanning but it gave me the same mac address in different ip … is ARP works only on LAN?
    Is there any method to get the exact mac address
    through WAN ?



    There are methods to get MAC addresses of remote routers or systems, but they generally require authorized access, unauthorized access, or just insecure management protocols, to the remote system in question.
    If you capture IP packets from WAN scanning, your last router hop will, stick its MAC address into the Frame SRC to get the response to your ethernet NIC. Some WAN technologies do not even use MAC addresses in the layer 2 protocol (Frame Relay, DSL, ATM).
    Arp is used for translating the Ip address to a ethernet address to be able to build a IP packet with an ethernet frame.
    I am purposefully leaving out Non IP protocols which the MAC can be determined remotely.



    Thanks for your reply… do you mean the ipx and the appletalk protocols? Is there any? Coz this two are mentioned in cybrary ccna lecture being not exist anymore….




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