Juniper JUNOS OS 10.3 - SOFTWARE, Manual

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Example: Configure Automatic VLAN Administration Using GVRP on page 1329
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Understanding Bridging and VLANs on EX Series Switches on page 1283
Example: Connecting an Access Switch to a Distribution Switch
In large local area networks (LANs), you commonly need to aggregate traffic from a
number of access switches into a distribution switch.
This example describes how to connect an access switch to a distribution switch:
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Requirements on page 1320
• Overview and Topology on page 1320
• Configuring the Access Switch on page 1322
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Configuring the Distribution Switch on page 1326
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Verification on page 1328
Requirements
This example uses the following hardware and software components:
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For the distribution switch, one EX4200-24F switch. This model is designed to be used
as a distribution switch for aggregation or collapsed core network topologies and in
space-constrained data centers. It has twenty-four 1-Gigabit Ethernet fiber SFP ports
and an EX-UM-2XFP uplink module with two 10-Gigabit Ethernet XFP ports.
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For the access switch, one EX3200-24P, which has twenty-four 1-Gigabit Ethernet
ports, all of which support Power over Ethernet (PoE), and an uplink module with four
1-Gigabit Ethernet ports.
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Junos OS Release 9.0 or later for EX Series switches
Before you connect an access switch to a distribution switch, be sure you have:
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Installed the two switches. See Installing and Connecting an EX3200 or EX4200 Switch.
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Performed the initial software configuration on both switches. See “Connecting and
Configuring an EX Series Switch (J-Web Procedure)” on page 189.
Overview and Topology
In a large office that is spread across several floors or buildings, or in a data center, you
commonly aggregate traffic from a number of access switches into a distribution switch.
This configuration example shows a simple topology to illustrate how to connect a single
access switch to a distribution switch.
In the topology, the LAN is segmented into two VLANs, one for the sales department and
the second for the support team. One 1-Gigabit Ethernet port on the access switch's
uplink module connects to the distribution switch, to one 1-Gigabit Ethernet port on the
distribution switch.
Copyright © 2010, Juniper Networks, Inc. 1320
Complete Software Guide for Junos
®
OS for EX Series Ethernet Switches, Release 10.3