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The configuration of MPLS traffic engineering and the detailed analysis of the major attribute adjustment

Source: Internet
Author: User
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What is the premise of using MPLS traffic engineering for CISCO? or MPLS te configuration logic:

Cisco IOS software version that supports MPLS traffic engineering.

The network needs to start CEF.

The link state protocol used as IGP OSPF or Is-is. Only these two protocols can support TE. (OSPF provides a class tenth LSA to propagate related TE information).

The router is globally enabled for traffic engineering.

A loopback interface used as the router ID for MPLS traffic engineering.

The basic te tunnel configuration.

About Te Tunnel, must be one-way.

So if the PE on both sides must go to te Flow Engineering tunnel, you need to configure at both ends.

The topology map still refers to the previous:

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