![]() ![]() This is similar to the concept of Local Target Logic (LTL) indices on the Cisco Catalyst 6500 Series Switch.Ĭase Study: Address Resolution Protocol (ARP) Interrupts It is a means to discover more detailed information about specific variables that are used in the outputs that the box produces. Handle: A handle can be thought of as a pointer.As an example, it controls how packets are delivered from the FED to the IOSd and vice versa. Packet Delivery System (PDS): This is the architecture and process of how packets are delivered to and from various subsystem.It is run as a software process within the kernel. IOSd: This is the Cisco IOS daemon that runs on the Linux kernel.Forwarding Engine Driver (FED): This is the heart of the Cisco Catalyst 3850 Series Switch and is responsible for all hardware programming/forwarding.Cisco IOS-XE retains not only the same look and feel of the classic Cisco IOS, but also its operation, support, and management. Cisco IOS itself runs as a daemon within the Linux OS (IOSd). All of the subsystems that were inside Cisco IOS before - such as the modules drivers, High Availability (HA), and so on - now run as software processes within the Linux Operating System (OS). With Cisco IOS-XE, Cisco has moved to a Linux kernel and all of the subsystems have been broken down into processes. It is important to understand how Cisco IOS-XE is built. Additionally, the document introduces several new commands on this platform that are integral in order to troubleshoot such problems. ![]() This document describes how to troubleshoot CPU usage concerns, primarily due to interrupts, on the new Cisco IOS ®-XE platform. ![]()
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