Cisco 8500 Series Secure Routers Hardware Installation Guide

Bay configuration

Updated: September 9, 2025

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Explains bay configurations for the C8570-G2 and C8550-G2 routers, detailing the arrangement and functionality of system bays for modular hardware installation and expansion.

Bay configuration - C8570-G2

The C8570-G2 has three bays that are configurable.

Figure 1. Bay Configuration - C8570-G2


1	Bay 2 : 3XQSFP : Individually configurable as 1x 100G or 3x 40G	3	Bay 1 : 4xSFP+/1xQSFP : Individually configurable as 1x 100G or 1x 40G or breakout 4x 10/1G
2	Bay 0 : 8xSFP+ : Individually configurable as 8x 10/1G		—

Bay configuration - C8550-G2

The C8550-G2 has one bay with twelve configurable ports.

Figure 2. Bay Configuration - C8550-G2


1	Bay 0 : 12XSFP+: Individually configurable as 12X10G/1G

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