Switching between FW Segs Still a NOT?

["Kleber Borran" <tell_me_elm () hotmail com>]

There was some discussion of this issue back in August, but it's come 
around to me in real life now and I'm checking.

The company has an Internet firewall with multiple interfaces supporting 
a couple of DMZs as well as the usual inside network and outside 
connection to an ISP.  The question has arisen as to whether it is 
advisable to use a high-end switch acquired through an acquisition to 
provide connectivity to "both sides" (actually "all sides") of the 
various segments.  Vendor sales rep says its ok as long as we define the 
VLANs properly.  That was debunked quickly here in August.  Anybody know 
of any white papers or other literature dealing with this subject that I 
could show management?  

Thanks,

tell_me_elm () hotmail com



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