Chapter 2
Understanding Router Interfaces
Router Interfaces Overview on page 32
Types of Interfaces Overview on page 32
Permanent Interfaces Overview on page 33
Understanding Management Ethernet Interfaces on page 33
Understanding Internal Ethernet Interfaces on page 34
Understanding Transient Interfaces on page 36
Understanding Services Interfaces on page 36
Container Interfaces Overview on page 38
Interface Encapsulations Overview on page 40
Interface Descriptors Overview on page 51
Interface Naming Overview on page 52
Displaying Interface Configurations Overview on page 65
Interface and Router Clock Sources Overview on page 65
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