I have implemented a trihomed Isa server on a server in my server farm and i want to publish a web and an exchange server. I do everything by the book (keeping the private addresses in the MZ segment in the LAT, enable IP routing and packet filtering etc.) If i follow the scenario of implementing a trihomed configuration as suggested by Tom Shinder, and enable the getting started article of the same author (allowing all access in both directions) I should be able to ping both from DMZ everywhere and from MZ also. This is not happening. Please assist me.
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