June 2003
Intermediate to advanced
504 pages
12h 29m
English
Content preview from MPLS and VPN Architectures, Volume IIBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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CE-to-CE Authentication
An area that is currently being addressed in the IETF is that of CE-to-CE authentication. When a CE router is connected to a PE router, mechanisms are available to ensure that the direct connection to the network is validated. These include PPP authentication and neighbor authentication using MD5. However, no mechanism is presently available to verify that the CE router and the customer network are indeed connected to the correct VPN in the MPLS network.
The basic premise is that the customer can expect to be connected to the correct VPN by the service provider, and that the customer's traffic will not be transported outside the VPN. Furthermore, it is assumed that unauthorized traffic will not be allowed into the customer's ...
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