Concept Guide

• Link Speed — Link speed of this stack port: 10 or 40 Gb/s.

• Administrative State — Enabled or Disabled. If enabled, the port can link to another port

• Link Status — Operational status of the stack port: Up or Down.

Stack Port Summary

For I/O Aggregator devices in stack mode, the Stack Port Summary tab displays details about the ports

and their status present in each stack unit.

This tab displays the following information:

• Port — Stacking port. There can be a maximum of 32 internal ports and 24 external ports displayed.

• Link Status — Status of port: Up or Down.

• Link Speed — Link speed of this stack port.

• Administrative State — Displays Enabled or Disabled. If enabled, the port can link to another port.

• VLANs — VLANs to which the port is a member.

• LAG — Link Aggregation Group number to which the port is configured to be part.

NOTE: To view the actual LAG status of a port, go to the Link Aggregation (LAG) section of the

Switching Layer-2 page.

From the Filter By drop-down menus you can filter these details in the following ways:

• (First menu) Stack unit number and role

• (Second menu) All ports

• (Second menu) Internal Ports only

• (Second menu) External Ports only

VLT Summary

For I/O Aggregator devices in VLT mode, the VLT Summary tab displays details about the VLT role of that

unit. This tab displays the following information:

• General information about VLT domains currently configured on the switch.

• Detailed information about the VLT-domain configuration, including local and peer port-channel IDs,

local VLT switch status, and number of active VLANs on each port channel.

• VLT peer status, role of the local VLT switch, VLT system MAC address and system priority, and the

MAC address and priority of the locally attached VLT device.

• Current configuration of all VLT domains or a specified group on the switch.

• Statistics of VLT operation.