D-Link xStack DGS-3120 Series User Manual

xStack
®
DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch CLI Reference Guide
21
auto_speed_downgrade - (Optional) Specify whether to automatically downgrade the advertised
speed when a link cannot be established at the available speed.
enable - Enable the automatically downgrading advertised speed.
disable - Disable the automatically downgrading advertised speed.
Restrictions
Only Administrator and Operator-level users can issue this command.
Example
To configure the ports:
DGS-3120-24TC:admin#config ports all medium_type copper speed auto
Command: config ports all medium_type copper speed auto
Success.
DGS-3120-24TC:admin#
2-18 show ports
Description
This command is used to display the current configurations of a range of ports.
Format
show ports {<portlist>} {[description | err_disabled | auto_negotiation | details | media_type]}
Parameters
<portlist> - (Optional) Enter the list of ports to be configured here.
description - (Optional) Indicates if port description will be included in the display.
err_disabled - (Optional) Displays ports that were disabled because of an error condidtion.
auto_negotiation - (Optional) Displays detailed auto-negotiation information.
details - (Optional) Displays the port details.
media_type - (Optional) Displays port transceiver type.
Restrictions
None.
Example
To display the port details:

D-Link xStack DGS-3120 Series Specifications

General

MAC Address Table	16K entries
Ports	10/100/1000BASE-T ports
VLANs	4094
Jumbo Frame	Up to 9KB
Power Supply	Internal power supply (depending on model)
Power over Ethernet (PoE)	No
Layer 3 Features	RIP
Quality of Service (QoS)	8 queues per port, DiffServ
Security Features	ACLs
Management	Web-based, CLI, SNMP
Operating Temperature	0°C to 40°C
Storage Temperature	-40°C to 70°C
SFP Ports	Combo 10/100/1000BASE-T/SFP ports and/or dedicated SFP/SFP+ ports (depending on model)