Juniper EX3400 Features Guide

6. (DHCPv4 only) Override the setting of the broadcast bit in DHCP request packets and
use the Layer 2 unicast transmission method.
See “Using Layer 2 Unicast Transmission for DHCP Packets” on page 58.
7. (DHCPv4 only) Trust DHCP client packets that have a giaddr of 0 and that contain
option 82 information.
See “Trusting Option 82 Information” on page 67.
8. (DHCPv4 and DHCPv6) Override the maximum number of DHCP clients allowed per
interface.
See “Specifying the Maximum Number of DHCP Clients Per Interface” on page 106.
9. (DHCPv4 only) Configure client auto logout.
See “DHCP Auto Logout Overview” on page 124.
10. (DHCPv4 and DHCPv6) Enable or disable support for DHCP snooped clients on
interfaces.
See “Enabling and Disabling DHCP Snooped Packets Support for DHCP Relay Agent”
on page 72.
11. (DHCPv4 and DHCPv6) Delay authentication of subscribers until the DHCP client
sends a Request packet.
See the delay-authentication.
12. (DHCPv4 and DHCPv6) Send release messages to the DHCP server when clients are
deleted.
See “Sending Release Messages When Clients Are Deleted” on page 58.
13. (Optional) Specify that when the DHCP or DHCPv6 relay agent receives a Discover
or Solicit message that has a client ID that matches the existing client entry, the relay
agent deletes the existing client entry.
See DHCP Behavior When Renegotiating While in Bound State.
14. (DHCPv6 only) Automatically log out existing client when new client solicits on same
interface.
See Automatically Logging Out DHCPv6 Clients.
15. (DHCPv4 only) Disable the DHCP relay agent on specific interfaces.
See “Disabling DHCP Relay” on page 80.
Copyright © 2017, Juniper Networks, Inc.70
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