June 2005
Intermediate to advanced
312 pages
11h 13m
English
Content preview from MPLS VPN Security
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C6 VPLS and VPWS Security Overview 217
Figure 7-4 illustrates the Metro Ethernet Architecture model and functional roles.
Figure 7-4 Metro Ethernet Architecture and Functional Roles
C6 VPLS and VPWS Security Overview
The fundamental security considerations for VPLS and VPWS constructs are to assure
the integrity of the U-PE configurations and to prevent DoS and resource starvation
attacks against the U-PE, N-PE, and PE-AGG devices. Figure 7-5 shows the untrusted
zone, such as floor (of a building) customer switches to an U-PE (or customer UNI to a
service provider component). The trust is from a service provider perspective because it
is assumed ...
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