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Assessment Title
Rule Text
The Juniper router configured for BGP must reject route advertisements from CE routers with an originating AS in the AS_PATH attribute that does not belong to that customer.
Description
Discussion Text
Verifying the path a route has traversed will ensure that the local AS is not used as a transit network for unauthorized traffic. To ensure that the local AS does not carry any prefixes that do not belong to any customers, all PE routers must be configured to reject routes with an originating AS other than that belonging to the customer.
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