WAAS 4.0 redirection: Only edge redirection for WAFS?

Hello:
I am migrating from WAFS 3.0 to WAAS 4.0, but I am only interested in using WAFS for CIFS traffic (no other application optimizations at the moment).
In version 3 we do not use WCCP service 89 redirection at CORE side (because Edge uses a tunnelled connection through TCP port 4050, directly to the Core). We did not use a ?out-of-band network? for WAEs either.
Is it possible to maintain the same reditrection schema in version 4 (only for CIFS optimization)?
The CIFS optimization is still tunnelled between core and edge?
Is it possible to re-image a WAAS 4 WAE with WAFS 3 software image using recovery CD?(I do not care about loosing configuration)
Thanks in advance.
Gustavo.

Gustavo,
In the current version of WAAS (4.0.1 or 4.0.3) we do not require WCCP at the Core. However, this will change in a future release.
At the Edge, it is required that the WAE is deployed on a separate subnet from the clients, even if you are only using the WAFS functionality.
To answer your last question, you can install WAFS 3.0 or WAAS 4.0 using the recovery CD method.
Zach

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