filtering NetBIOS Explorers

From: Fred Danson (fred190044@xxxxxxxxxxx)
Date: Tue Sep 11 2001 - 03:22:13 GMT-3

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Hey Group,

I'm currently running through IPexpert lab 20-5 and am tasked to "Prevent
NetBIOS explorer packets from R1 Ring 1 from entering Ring 2".

Since explorer frames are terminated at each DLSW peer, is it even possible
to filter NetBIOS explorer packets? Aren't NetBIOS explorer packets
converted into DLSW CAN_U_REACH packets?

If it is possible, what is the correct LSAP/DSAP combination to filter?

Thanks in advance,
Fred

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