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Juniper EX3400 Features Guide

Juniper EX3400
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CHAPTER 4
DHCP Relay Agent
Extended DHCP Relay Agent Overview on page 46
Configuring an Extended DHCP Relay Server on EX Series Switches (CLI
Procedure) on page 49
Example: Minimum DHCP Relay Agent Configuration on page 50
DHCP Relay Proxy Overview on page 51
Enabling DHCP Relay Proxy Mode on page 52
Example: Configuring DHCP Relay Agent Selective Traffic Processing Based on DHCP
Option Strings on page 53
Using Layer 2 Unicast Transmission for DHCP Packets on page 58
Sending Release Messages When Clients Are Deleted on page 58
Disabling Automatic Binding of Stray DHCP Requests on page 59
Using DHCP Relay Agent Option 82 Information on page 60
Trusting Option 82 Information on page 67
Overriding the Default DHCP Relay Configuration Settings on page 68
Overriding Option 82 Information on page 71
Changing the Gateway IP Address (giaddr) Field to the giaddr of the DHCP Relay
Agent on page 72
Replacing the DHCP Relay Request and Release Packet Source Address on page 72
Enabling and Disabling DHCP Snooped Packets Support for DHCP Relay
Agent on page 72
Configuring DHCP Snooped Packets Forwarding Support for DHCP Relay
Agent on page 77
Configuring Named Server Groups on page 79
Configuring Active Server Groups to Apply a Common DHCP Relay Agent Configuration
to Named Server Groups on page 80
Disabling DHCP Relay on page 80
Verifying and Managing DHCP Relay Configuration on page 81
Suppressing DHCP Access, Access-Internal, and Destination Routes on page 81
Preventing DHCP from Installing Access, Access-Internal, and Destination Routes by
Default on page 82
45Copyright © 2017, Juniper Networks, Inc.

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Juniper EX3400 Specifications

General IconGeneral
Switch typeManaged
Switch layerL2/L3
Quality of Service (QoS) supportYes
SafetyUL-UL60950-1, C-UL CAN/CSA 22.2 No.60950-1, TUV/GS to EN 60950-1, CB-IEC60950-1, EN 60825-1
Form factor1U
Product colorBlack
Electromagnetic compatibilityFCC 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 quantity4
QSFP+ module slots quantity2
Installed SFP+ modules quantity0
Basic switching RJ-45 Ethernet ports typeGigabit Ethernet (10/100/1000)
Basic switching RJ-45 Ethernet ports quantity48
Memory typeDRAM
Noise level35 dB
Flash memory2000 MB
Processor frequency1000 MHz
Virtual stacking (units)10
Throughput250 Mpps
Jumbo frames9216
MAC address table32000 entries
Number of VLANs4093
Networking standardsIEEE 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 featuresPort-based VLAN
Copper ethernet cabling technology10BASE-T, 100BASE-T, 1000BASE-T
Power consumption (max)120 W
Number of power supply units1
Operating altitude0 - 3048 m
Non-operating altitude3048 - 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 featuresDHCP server, DHCP client
AuthenticationMAC-based authentication, Port-based authentication
Security algorithms802.1x RADIUS, HTTPS, SNMP, SSH-2
Fiber ethernet cabling technology1000BASE-X
Weight and Dimensions IconWeight and Dimensions
Depth350 mm
Width437 mm
Height44 mm
Weight5740 g

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