Juniper EX3400 Features Guide

user-prefix (DHCP Local Server)
Syntax user-prefix user-prefix-string;
Hierarchy Level [edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server authentication username-include],
[edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server dhcpv6 authentication username-include],
[edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server dhcpv6 group group-name authentication username-include],
[edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server group group-name authentication username-include],
[edit logical-systems logical-system-name system services dhcp-local-server authentication
username-include],
[edit logical-systems logical-system-name system services dhcp-local-server dhcpv6
authentication username-include],
[edit logical-systems logical-system-name system services dhcp-local-server dhcpv6 group
group-name authentication username-include],
[edit logical-systems logical-system-name system services dhcp-local-server group
group-name authentication username-include],
[edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server authentication username-include],
[edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server dhcpv6 authentication username-include],
[edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server dhcpv6 group group-name authentication username-include],
[edit logical-systems logical-system-name routing-instances routing-instance-name system
services dhcp-local-server group group-name authentication username-include],
[edit routing-instances routing-instance-name system services dhcp-local-server
authentication username-include],
[edit routing-instances routing-instance-name system services dhcp-local-server dhcpv6
authentication username-include],
[edit routing-instances routing-instance-name system services dhcp-local-server dhcpv6
group group-name authentication username-include],
[edit routing-instances routing-instance-name system services dhcp-local-server group
group-name authentication username-include],
[edit system services dhcp-local-server authentication username-include],
[edit system services dhcp-local-server dhcpv6 authentication username-include],
[edit system services dhcp-local-server dhcpv6 group group-name authentication
username-include],
[edit system services dhcp-local-server group group-name authentication username-include]
Release Information Statement introduced in Junos OS Release 9.1.
Statement introduced in Junos OS Release 12.3R2 for EX Series switches.
Description Specify the user prefix that is concatenated with the username during the subscriber
authentication or DHCP client authentication process.
Options user-prefix-string—User prefix string.
Copyright © 2017, Juniper Networks, Inc.316
DHCP and Other System Services Feature Guide for EX2300, EX3400, and EX4300 Switches

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