Juniper EX3400 Features Guide

•
Two groups cannot share interface space. For example, the following configuration is
not allowed because the three stanzas share the same space and interfere with one
another—interface ge-1/0/0.26 is common to all three.
dhcp-relay group diamond interface ge-1/0/0.10 upto ge-1/0/0.30
dhcp-local-server group ruby interface ge-1/0/0.26
dhcp-relay group sapphire interface ge-1/0/0.25 upto ge-1/0/0.35
•
Two ranges cannot overlap, either within a group or across groups. Overlapping occurs
when two interface ranges share common subunit space but neither range is a proper
subset of the other. The following ranges overlap:
interface ge-1/0/0.10 upto ge-1/0/0.30
interface ge-1/0/0.20 upto ge-1/0/0.40
•
A range can contain multiple nested ranges. A nested range is a proper subset of
another range. When ranges are nested, the smallest matching range applies.
In the following example, the three ranges nest properly:
interface ge-1/0/0.10 upto ge-1/0/0.30
interface ge-1/0/0.12 upto ge-1/0/0.15 exclude
interface ge-1/0/0.25 upto ge-1/0/0.29 exclude
•
Discrete interfaces take precedence over ranges. In the following example, interface
ge-1/0/0.20 takes precedence and enforces an interface client limit of 5.
interface ge-1/0/0.10 upto ge-1/0/0.30
interface ge-1/0/0.15 upto ge-1/0/0.25 exclude
interface ge-1/0/0.20 overrides interface-client-limit 5
Related
Documentation
Grouping Interfaces with Common DHCP Configurations on page 89•
Configuring Group-Specific DHCP Local Server Options
You can include the following statements at the [edit system services dhcp-local-server
group group-name] hierarchy level to set group-specific DHCP local server configuration
options. Statements configured at the [edit system services dhcp-local-server group
group-name] hierarchy level apply only to the named group of interfaces, and override
any global DHCP local server settings configured with the same statements at the [edit
system services dhcp-local-server] hierarchy level.
DHCPv6 local server supports the same set of statements with the exception of the
dynamic-profile statement.
•
authentication—Configure the parameters the router sends to the external AAA server.
•
dynamic-profile—Specify the dynamic profile that is attached to a group of interfaces.
•
interface—Specify one or more interfaces, or a range of interfaces, that are within the
specified group.
•
overrides—Override the default configuration settings for the extended DHCP local
server. For information, see “Overriding Default DHCP Local Server Configuration
Settings” on page 28.
91Copyright © 2017, Juniper Networks, Inc.
Chapter 6: Configuring Groups of DHCP Interfaces

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