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Implementing Cisco Networking Solutions by Harpreet Singh

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Managed versus unmanaged services

When an organization subscribes to a MPLS VPN service from the service provider, there needs to be close interaction between the user IT department which manages the CPE routers, and the service provider who manages the PE routers, as the CPE and PE routers form routing peering relationships, and any change in the routing parameters can lead to loss of connectivity.

These two sets of people also need to coordinate for troubleshooting purposes. If something goes wrong in the SP network, and there is loss of connectivity, it becomes important to pinpoint the problem and resolve that. This leads to contention between the two IT teams, with one team blaming it on the other for any outages. This in invariably ...

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