Juniper EX3400 Features Guide

To restore the default behavior (option 82 information is not inserted into DHCP packets),
use the delete relay-option-82 statement.
The remaining statements are explained separately.
Required Privilege
Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.
Related
Documentation
• Using DHCP Relay Agent Option 82 Information on page 60
• dhcp-relay on page 174
relay-server-group (DHCP Relay Agent Option)
Syntax relay-server-group relay-server-group;
Hierarchy Level [edit forwarding-options dhcp-relay relay-option (default-action | equals | starts-with),
[edit forwarding-options dhcp-relay dhcpv6 relay-option (default-action | equals |
starts-with),
[edit forwarding-options dhcp-relay group group-name relay-option (default-action | equals
| starts-with),
[edit forwarding-options dhcp-relay dhcpv6 group group-name relay-option (default-action
| equals | starts-with),
[edit logical-systems logical-system-name forwarding-options dhcp-relay ...],
[edit logical-systems logical-system-name routing-instances routing-instance-name
forwarding-options dhcp-relay ...],
[edit routing-instances routing-instance-name forwarding-options dhcp-relay ...]
Release Information Statement introduced in Junos OS Release 12.3.
Statement introduced in Junos OS Release 12.3R2 for EX Series switches.
Description Relay DHCP client packets to the specified group of DHCP servers when you use the
DHCP relay selective processing feature. You can configure the relay operation globally
or for a group of interfaces, and for either DHCP or DHCPv6 relay agent.
Options relay-server-group—Name of DHCP server group.
Required Privilege
Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.
Related
Documentation
• Using DHCP Option Information to Selectively Process DHCP Client Traffic
275Copyright © 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