The WCCP service is a number specified in the protocol to define what kind of traffic is going to be matched, so, it's not relevant for a firewall.
To allow WCCP traffic to go through a firewall (assuming it's located between the WAE and the router), you just need to allow UDP port 2048 in both directions.
If what you need to do is allowing the optimized traffic to go through the FW (which would happen if you have the FW between the router and the WAN link), then, you would need to enable some kind of WAAS inspection on the Fortinet firewall to allow the modifications that WAAS does on the TCP packets (adding a TCP option in the SYN and SYN/ACK packets and a sequence number shift after the TCP handshake). Unfortunately, I don't know how this can be done because I'm not familiar with that firewall.
Introduction This article will help you understand the steps on how to
download the UCS licenses from the Cisco Systems website and then
installing it on the UCS. The redacted (blue lines) just covers up
certain numbers for privacy please do not take them...
Introduction This article will help you understand and educate the
customer on how to clear their "expired licenses"
(license-graceperiod-expired) from their UCS-M. If a customer just
purchased a license and needs a step by step guide on how to download
==================== VIC FNIC driver does not support Virtual Volumes (
second level LUN ID ) An enhancement request has been created to track
this feature - CSCux64473 UPDATE - 12-14-2016 We made some traction on
the enhancement request - The Fix is in t...