Common Configuration Mistakes
By now, you should understand how to configure MPLS TE. Although a basic MPLS TE configuration is simple, there are lots of things to type, and it's easy to get one or two things wrong. This section presents problems that can arise from common configuration mistakes.
Portions of the configuration are highlighted to call your attention to potential problem areas. MPLS TE configuration can be divided into two parts:
Common configuration (needed on all participating LSRs)
Headend configuration (needed at the tunnel headends only)
Common Configuration on All MPLS TE Routers
Common configuration has three parts:
Global configuration
Interface-level configuration
Routing protocol configuration
Global Configuration
Two commands ...
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