| 摘要 |
A method, apparatus and computer program product for limiting Virtual Private Network (VPNv4) prefixes per VPN in an inter-autonomous system environment are presented. A limit on the number of VPNv4 routes per VPN for a Route Distributor (RD) or a group of RDs associated with a VPN is defined, at an Autonomous System Border Router (ASBR). When the number of received routes at the ASBR exceeds the limit, then a soft notification is sent to a neighboring ASBR and routes exceeding the limit are discarded at the ASBR.
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