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Conclusion

This engagement was a great combination of technologies: routing, switching, and local and wide area transport. The added requirements of high availability and survivability made the configurations more extensive than the other implementations we’ve looked at so far. Further, the use of both VPLS and L3VPNs required a combination of BGP and an IGP.

The configuration required an onion-like approach, with each layer supporting the next. Each layer could be verified independently and, if necessary, troubleshooting could be done prior to the next layer being added, giving us warriors not only a configuration plan but an implementation plan. (Each layer was shown independently in this chapter and could be used in the full implementation.)


  

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