Port Speeds - Cisco 500 Series Administration Manual

Stackable managed

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Administration: Stack Management

Cisco 500 Series Stackable Managed Switch Administration Guide

When you convert a device from one of the Stacking modes to Standalone mode,

the stack ports automatically become network ports.

Port Speeds

The speed of stack ports can be set manually or set to auto selection. The

following describes the available types of stack ports and their speeds on the

various types of devices:

Any pair of ports

from XG1 - XG16

Auto Selection of Port Speed

You can set the stacking cable type to be discovered automatically when the

cable is connected to the port (auto-discovery is the default setting). The system

automatically identifies the stack cable type and selects the highest speed

supported by the cable and the port.

A SYSLOG message (informational level) requesting that the user configures the

port speed manually is displayed when the cable type is not recognized.

Connecting Units

Two units can only be connected in a stack if the ports on both ends of the link are

of the same speed. This is done by configuring the stack ports speed to:

Auto Speed mode

Same speed on each side of the connection

Possible Speeds in

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