Juniper EX3400 Features Guide

Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Using the Examples in This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Merging a Full Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Merging a Snippet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx
Part 1 DHCP and DHCP Relay
Chapter 1 DHCP Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Understanding DHCP Services for Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DHCP Client/Server Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Using DHCP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
DHCP Relay Servers and DHCP Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Legacy DHCP and Extended DHCP for Server Versions . . . . . . . . . . . . . . . . . . 5
Configuring DHCP on a Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
How DHCP Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Configuring DHCP Services (J-Web Procedure) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Configuring DHCP Services (J-Web Procedure) on EX Series Switches . . . . . . 7
Configuring DHCP Services on EX4300 Switches (J-Web Procedure) . . . . . . 10
Configuring a Switch as a DHCP Server (CLI Procedure) . . . . . . . . . . . . . . . . . . . . 14
Configuring the Switch as a Local DHCP Server . . . . . . . . . . . . . . . . . . . . . . . . 15
Configuring a DHCP Client (CLI Procedure) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Configuring a DHCP SIP Server (CLI Procedure) . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Chapter 2 DHCP Local Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Extended DHCP Local Server Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Interaction Among the DHCP Client, Extended DHCP Local Server, and
Address-Assignment Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Providing DHCP Client Configuration Information . . . . . . . . . . . . . . . . . . . . . . 25
Minimal Configuration for Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
DHCP Local Server and Address-Assignment Pools . . . . . . . . . . . . . . . . . . . . 26
Example: Minimum Extended DHCP Local Server Configuration . . . . . . . . . . . . . . 27
Overriding Default DHCP Local Server Configuration Settings . . . . . . . . . . . . . . . 28
Deleting DHCP Local Server and DHCP Relay Override Settings . . . . . . . . . . . . . . 30
iiiCopyright © 2017, Juniper Networks, Inc.

Juniper EX3400 Specifications

General

Switch type	Managed
Switch layer	L2/L3
Quality of Service (QoS) support	Yes
Safety	UL-UL60950-1, C-UL CAN/CSA 22.2 No.60950-1, TUV/GS to EN 60950-1, CB-IEC60950-1, EN 60825-1
Form factor	1U
Product color	Black
Electromagnetic compatibility	FCC 47CFR 15 A, EN 55022 A, ICES-003 A, VCCI A, AS/NZS CISPR 22 A, CISPR 22 A, EN 55024, EN 300386, CE
SFP+ module slots quantity	4
QSFP+ module slots quantity	2
Installed SFP+ modules quantity	0
Basic switching RJ-45 Ethernet ports type	Gigabit Ethernet (10/100/1000)
Basic switching RJ-45 Ethernet ports quantity	48
Memory type	DRAM
Noise level	35 dB
Flash memory	2000 MB
Processor frequency	1000 MHz
Virtual stacking (units)	10
Throughput	250 Mpps
Jumbo frames	9216
MAC address table	32000 entries
Number of VLANs	4093
Networking standards	IEEE 802.1D, IEEE 802.1Q, IEEE 802.1ab, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3u, IEEE 802.3z
Virtual LAN features	Port-based VLAN
Copper ethernet cabling technology	10BASE-T, 100BASE-T, 1000BASE-T
Power consumption (max)	120 W
Number of power supply units	1
Operating altitude	0 - 3048 m
Non-operating altitude	3048 - 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 %
DHCP features	DHCP server, DHCP client
Authentication	MAC-based authentication, Port-based authentication
Security algorithms	802.1x RADIUS, HTTPS, SNMP, SSH-2
Fiber ethernet cabling technology	1000BASE-X

Weight and Dimensions

Depth	350 mm
Width	437 mm
Height	44 mm
Weight	5740 g