June 2005
Intermediate to advanced
312 pages
11h 13m
English
Content preview from MPLS VPN Security
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264 Chapter 9: Case Studies
One note on Multi-lite VRF scalability factors that are limited by the platform max
interfaces: memory for routes and raw processing ability and the actual performance may
vary based on traffic load, number of routes, and routing processes.
Multi-VRF/VRF-lite offers the following benefits:
• Only one CE router is needed to facilitate provisioning and network management
rather than a multiple CE router solution.
• A CE router has VRF functionality without full PE functionality to provide BGP
routing tables.
• It overlaps customer address spaces.
• It can coexist with an MPLS-based network with no MPLS enabled on the CE.
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