What are IES services?

IES services

An IES is a routed connectivity service in which the customer traffic passes through an L3 IP router interface to the Internet. IES allows customer-facing IP interfaces in the same routing instance to be used for service network core-routing connectivity. IES requires that the IP addressing scheme that is used by the customer be unique among other provider addressing schemes and potentially the entire Internet. Packets that arrive at the edge device are associated with an IES based on the access interface on which they arrive. An access interface is uniquely identified using:

• port

• service ID

• IP address

NSP groups MDM IES service sites based on common Global-IDs supplied by the MDM adaptors. When any service sites have at least one common Global-ID, the service sites will be grouped into a single service. If a Global-ID linking the sites together is removed, the service will be split into multiple services.

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