General Interface Management
The questions in this section relate to general interface management issues for Cisco devices, such as the following:
Detecting whether an interface is operational
Can MIB II ifTable Variables (such as ifInOctets) Be Collected from Sub-interfaces?
When RFC 1213 (MIB II) was originally drafted, the interface table variables were designed to reflect information about physical interfaces. Since then, the need has arisen to measure certain interface-related characteristics of logical connections that exist over physical lines. For example, a single physical serial interface may carry multiple Frame Relay DLCIs over it.
Starting with IOS version 11.1, Cisco implemented the concept of ...