June 2009
Intermediate to advanced
384 pages
8h 20m
English
book
Interconnecting Data Centers Using VPLS (Ensure Business Continuance on Virtualized Networks by Implementing Layer 2 Connectivity Across Layer 3)
by Nash Darukhanawalla - CCIE No. 10332, Patrice Bellagamba
Content preview from Interconnecting Data Centers Using VPLS (Ensure Business Continuance on Virtualized Networks by Implementing Layer 2 Connectivity Across Layer 3)
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Chapter 8. MST-Based Deployment Models
This chapter describes two Multiple Spanning Tree (MST)-based deployment models:
• MST in N-PE: This solution requires that MST protocol be configured on all Layer 2 devices in the local data center. In addition, the Spanning Tree Protocol (STP) root bridge placement must be moved from the aggregation to the WAN edge layer. This design achieves load balancing across the primary and backup N-PE by tuning the STP cost on a per-MST-instance basis. VLANs are split between two MST instances to achieve equal distribution of the application or organization traffic.
• Isolated MST in N-PE: This solution allows organizations to continue the use of Rapid Spanning Tree Protocol (RSTP) configured on the aggregation ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.