Disable Netbios with DHCP Option 43

[Possum]

Hi,

Has anyone successfully disabled Netbios on Windows using DHCP option 43? We have successfully implemented this on Palo Alto DHCP servers but not yet applied it to our MX's.

Working config on Palo:

Proposed config on MX's:

Is this the correct format for hex entry?

[KarstenI]

As this is just an option in DHCP, I don't see any reason it shouldn't work.

[alemabrahao]

Yes, It's correct.

[cmr · Accepted solution]

On the MS you'd need to add the colons for each byte so it would be 01:04:00:00:00:02  If it doesn't work as above, try that.

[MarcW]

Was the suggested solution of 43 and the hex entry successful? 

[Possum]

It does appear to have worked. I included colons in the hex value and it's set as below:

Running ipconfig /all on a Windows workstation reports "NetBIOS over Tcpip" as disabled.

 NetBIOS over Tcpip. . . . . . . . : Disabled