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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VRF Selection Based on Source IP Address
In the traditional implementation of the MPLS VPN architecture in Cisco IOS, each physical or logical interface was associated with one VRF table, resulting in a one-VPN-per-interface design limitation. Service providers that wanted to offer access to different VPN networks (or different upstream ISPs) to many customers who were connected to a shared media (cable or Ethernet infrastructure) first encountered this limitation.
In situations in which more than one VPN customer had to be connected to a single physical interface, the following solutions were available:
VPN customers who were connected to a LAN interface were split into multiple virtual LANs (VLAN), each VLAN subinterface belonging to a different ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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