SonicWALL Internet Security Appliances - Manual (Page 164)

Advanced Features Page 165
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Examples of Bandwidth Management Rules
Bandwidth Management Schema
Rule Service Priority Guaranteed Maximum
Allow SMTP 0 300 Kbps 1000 Kbps
Allow FTP 1 100 Kbps 200 Kbps
Allow HTTP 2 100 Kbps 200 Kbps