# Configuring Implicit and Explicit Constituent Selection for Shaping

This chapter provides information for configuring implicit and explicit constituents on the E Series router.

QoS topics are discussed in the following sections:

- Constituent Selection for Shared Shaping Overview
- Implicit Constituent Selection Overview
- Configuring Implicit Constituents for Simple or Compound Shared Shaping
- Explicit Constituent Selection Overview
- Configuring Explicit Constituents for Simple or Compound Shared Shaping