Juniper EX2200 Hardware Guide

Table 3: Network Interface Types and Purposes
PurposeType
All EX Series switches allow you to group Ethernet interfaces at the physical layer to form a
single link layer interface, also known as a link aggregation group (LAG) or bundle. These
aggregated Ethernet interfaces help to balance traffic and increase the uplink bandwidth.
Aggregated Ethernet
interfaces
Use these EX Series switch interfaces to connect a personal computer, laptop, file server, or
printer to the network. When you power on an EX Series switch and use the factory-default
configuration, the software automatically configures interfaces in access mode for each of the
network ports. The default configuration also enables autonegotiation for both speed and link
mode.
LAN access interfaces
EX Series switches provide PoE network ports with various switch models. These ports can be
used to connect voice over IP (VoIP) telephones, wireless access points, video cameras, and
point-of-sale devices to safely receive power from the same access ports that are used to
connect personal computers to the network. PoE interfaces are enabled by default in the factory
configuration.
Power over Ethernet (PoE)
interfaces
EX Series access switches can be connected to a distribution switch or customer-edge (CE)
switches or routers. To use a port for this type of connection, you must explicitly configure the
network interface for trunk mode. The interfaces from the distribution switch or CE switch to
the access switches must also be configured for trunk mode.
Trunk interfaces
Special Interfaces
Table 4 on page 4 lists the types of special interfaces supported on EX Series switches.
Table 4: Special Interface Types and Purposes
PurposeType
Each EX Series switch has a serial port, labeled CON or CONSOLE, for connecting tty-type
terminals to the switch using standard PC-type tty cables. The console port does not have a
physical address or IP address associated with it. However, it is an interface in the sense that
it provides access to the switch. On an EX3300 Virtual Chassis, an EX4200 Virtual Chassis, or
an EX4500 Virtual Chassis, you can access the master and configure all members of the Virtual
Chassis through any member's console port. For more information about the console port in a
Virtual Chassis, see Understanding Global Management of a Virtual Chassis.
Console port
All EX Series switches have this software-only virtual interface that is always up. The loopback
interface provides a stable and consistent interface and IP address on the switch.
Loopback
The Juniper Networks Junos operating system (Junos OS) for EX Series switches automatically
creates the switch's management Ethernet interface, me0. The management Ethernet interface
provides an out-of-band method for connecting to the switch. To use me0 as a management
port, you must configure its logical port, me0.0, with a valid IP address. You can connect to the
management interface over the network using utilities such as SSH or Telnet. SNMP can use
the management interface to gather statistics from the switch. (The management interface
me0 is analogous to the fxp0 interfaces on routers running Junos OS.)
Management interface
Copyright © 2015, Juniper Networks, Inc.4
Network Interfaces for EX4300 Switches

Juniper EX2200 Specifications

General

Throughput	77 Mpps
MAC address table	8000 entries
Jumbo frames support	Yes
Number of VLANs	1024
Networking standards	-
Switch type	Managed
SFP module slots quantity	4
Installed SFP modules quantity	0
Basic switching RJ-45 Ethernet ports quantity	48
Stackable	No
Product color	Black
Power consumption (typical)	100 W
Operating altitude	0 - 3048 m
Non-operating altitude	0 - 4877 m
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Storage relative humidity (H-H)	0 - 95 %
Operating relative humidity (H-H)	10 - 85 %

Weight and Dimensions

Depth	254 mm
Width	441 mm
Height	43 mm
Weight	3600 g