I recenly installed an SA 520 W for client using Verizon DSL (3 meg down). This box replaced an old Firebox firewall. Prior to the switch, download speeds were close to the advertised 3 meg. Now, with the SA 520 in place, we are receiving roughly 300kbps down with a massive ammount of latency. There have been no other changes introduced. This slowness is present even with all workstations powered off (there are 7). The firmware is up to date. Cisco support reccomends defaulting the box which I am reluctant to do as I beleive it to be a fools errand.
Any thoughts or suggestions?
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