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Juniper EX3400 Features Guide

Juniper EX3400
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server-identifier
Syntax server-identifier address;
Hierarchy Level [edit system services dhcp],
[edit system services dhcp pool],
[edit system services dhcp static-binding]
Release Information Statement introduced before Junos OS Release 7.4.
Statement introduced in Junos OS Release 9.0 for EX Series switches.
Description Configure a server identifier. The identifier can be used to identify a DHCP server in a
DHCP message. It can also be used as a destination address from clients to servers (for
example, when the boot file is set, but not the boot server).
Servers include the server identifier in DHCPOFFER messages so that clients can distinguish
between multiple lease offers. Clients include the server identifier in DHCPREQUEST
messages to select a lease and indicate which offer is accepted from multiple lease
offers. Also, clients can use the server identifier to send unicast request messages to
specific DHCP servers to renew a current lease.
This address must be a manually assigned, static IP address. The server cannot send a
request and receive an IP address from itself or another DHCP server.
Default If no server identifier is set, the DHCP server sets the server identifier based on the primary
interface address used by the server to receive a client request. For example, if the client
sends a DHCP request and the server receives it on fe-0/0/0 and the primary interface
address is 1.1.1.1, then the server identifier is set to 1.1.1.1.
Options address—IPv4 address of the server. This address must be accessible by all clients served
within a specified range of addresses (based on an address pool or static binding).
Required Privilege
Level
system—To view this statement in the configuration.
system-control—To add this statement to the configuration.
Related
Documentation
Copyright © 2017, Juniper Networks, Inc.288
DHCP and Other System Services Feature Guide for EX2300, EX3400, and EX4300 Switches

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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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