# Configuring Shadow Nodes for Queue Management

This chapter provides information for configuring shadow nodes on E Series routers.

QoS topics are discussed in the following sections:

- Shadow Node Overview
- Shadow Nodes and Scheduler Behavior
- Managing System Resources for Shadow Nodes
- Configuring Shadow Nodes
- Example: Shadow Nodes over VLAN and IP Queues
- Example: Shadow Nodes on the Same Traffic-Class Group
- Example: Shadow Nodes on Different Traffic-Class Groups