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NAP Mac Authentication Bypass

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Hello,

we have dot1x and MAB implementation between Juniper Cisco Switches and Microsoft NAP and all dot1x accounts are working well.

Non-dot1x devices like Phones will use mac authentication bypass , i have read a lot of documents to create AD account for each mac-address using the username/password to be the device mac.

of course we don't need to do that for 500 account !! we just need NAP to authorize them without referring to AD , can it be done ??

i tried making a network policy with setting the calling-station-ID to ^001b4f which is the OUI of the devices mac-address but still can't authenticate as below " we need to bypass this authentication step ".

User:
    Security ID:            NULL SID
    Account Name:            001b4f4921fd
    Account Domain:            Domain
    Fully Qualified Account Name:    Domain\001b4f4921fd

Client Machine:
    Security ID:            NULL SID
    Account Name:            -
    Fully Qualified Account Name:    -
    OS-Version:            -
    Called Station Identifier:        b0-c6-9a-d4-0d-80
    Calling Station Identifier:        00-1b-4f-49-21-fd

NAS:
    NAS IPv4 Address:        10.10.10.10
    NAS IPv6 Address:        -
    NAS Identifier:            Switch3
    NAS Port-Type:            Ethernet
    NAS Port:            78

RADIUS Client:
    Client Friendly Name:        SW3
    Client IP Address:            10.10.10.10

Authentication Details:
    Connection Request Policy Name:    Use Windows authentication for all users
    Network Policy Name:        -
    Authentication Provider:        Windows
    Authentication Server:        NAP.DOMAIN.LOCAL
    Authentication Type:        EAP
    EAP Type:            -
    Account Session Identifier:        384F322E317838313133306132323030303364313030
    Logging Results:            Accounting information was written to the local log file.
    Reason Code:            8
    Reason:                The specified user account does not exist.



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