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Blocking User Flows
RADIUS has Filter-Id.
Filter’s need to be pre-configured at the NAS.
Not roaming friendly.
New attribute called NAS-Filter-Rule
specify what IP flows should be blocked.
same syntax as IP-Filter-Rule in Diameter.
Except we have added an action called “flush” so that we can use it with 3576 CoA.
To block all tcp traffic from a terminal:
deny in tcp from assigned to any

PPT Version