Juniper EX3400 Features Guide

Required Privilege
Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.
Related
Documentation
• dhcp-relay on page 174
• Extended DHCP Relay Agent Overview on page 46
• Configuring Group-Specific DHCP Relay Options on page 92
• Overriding the Default DHCP Relay Configuration Settings on page 68
interface-delete (Subscriber Management or DHCP Client Management)
Syntax interface-delete;
Hierarchy Level [edit system services subscriber-management maintain-subscriber]
Release Information Statement introduced in Junos OS Release 11.1.
Statement introduced in Junos OS Release 12.3R2 for EX Series switches.
Description On router—Configure the router to maintain, rather than log out, subscribers when the
subscriber interface is deleted. By default, the router logs out subscribers when the
subscriber interface is deleted.
On switch—Configure the switch to maintain rather than log out DHCP clients when the
client interface is deleted. By default, the switch logs out DHCP clients when the client
interface is deleted.
Required Privilege
Level
system—To view this statement in the configuration.
system-control—To add this statement to the configuration.
Related
Documentation
• Configuring the Router to Maintain DHCP Subscribers During Interface Delete Events
221Copyright © 2017, Juniper Networks, Inc.
Chapter 12: Configuration Statements (DHCP and DHCP Relay)

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