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Juniper EX3400 Features Guide

Juniper EX3400
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To include the prefix with the Agent Circuit ID:
[edit forwarding-options dhcp-relay relay-option-82 circuit-id]
user@host# set prefix host-name logical-system-name
To include the prefix with the Agent Remote ID:
[edit forwarding-options dhcp-relay relay-option-82 remote-id]
user@host# set prefix host-name logical-system-name
(DHCPv6) To use a prefix with the DHCPv6 option 18 or option 37 information:
1. Specify that you want to configure DHCPv6 relay agent support.
[edit forwarding-options dhcp-relay]
user@host# edit dhcpv6
2. Configure DHCPv6 relay agent to insert option 18 (Relay Agent Interface-ID), option
37 (Relay Agent Remote-ID), or both.
To configure option 18:
[edit forwarding-options dhcp-relay dhcpv6]
user@host# edit relay-agent-interface-id
To configure option 37:
[edit forwarding-options dhcp-relay dhcpv6]
user@host# edit relay-agent-remote-id
3. Specify that the prefix is included in the option information. In this example, the prefix
includes the hostname and logical system name
To include the prefix with option 18:
[edit forwarding-options dhcp-relay dhcpv6 relay-agent-interface-id]
user@host# set prefix host-name logical-system-name
To include the prefix with option 37:
[edit forwarding-options dhcp-relay dhcpv6 relay-agent-remote-id]
user@host# set prefix host-name logical-system-name
Including a Textual Description in DHCP Options
By default, when DHCP relay agent inserts option information in the packets sent to a
DHCP server, the options include the interface identifier. However, you can configure the
DHCP relay agent to include the textual description that is configured for the interface
instead of the interface identifier. You can use the textual description for either the logical
interface or the device interface.
You can include the textual interface description in the following DHCP options:
DHCPv4 option 82 Agent Circuit ID (suboption 1)
DHCPv4 option 82 Agent Remote ID (suboption 2)
DHCPv6 option 18 Relay Agent Interface-ID
DHCPv6 option 37 Relay Agent Remote-ID
65Copyright © 2017, Juniper Networks, Inc.
Chapter 4: DHCP Relay Agent

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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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