Juniper EX3400 Features Guide

1. Identify the client traffic—Specify the DHCP option that DHCP relay agent uses to
identify the client traffic you want to process. The option you specify matches the
option in the client traffic.
2. Configure a default action—Specify the default processing action, which DHCP relay
uses for identified client traffic that does not satisfy any configured match criteria.
3. Create match filters and associate an action with each filter—Specify match criteria
that filter the client traffic. The criteria can be an exact match or a partial match with
the option string in the client traffic. Associate a processing action with each match
criterion.
Configuration
To configure DHCP relay agent selective processing based on DHCP option information,
perform these tasks:
•
Configuring DHCP Relay Agent To Selectively Process Client Traffic Based on DHCP
Option Strings on page 54
•
Results on page 55
CLI Quick
Configuration
To quickly configure this example, copy the following commands, paste them in a text
file, remove any line breaks, change any details necessary to match your network
configuration, and then copy and paste the command into the CLI at the [edit] hierarchy
level.
set forwarding-options dhcp-relay relay-option option-number 60
set forwarding-options dhcp-relay relay-option equals ascii video-gold forward-only
set forwarding-options dhcp-relay relay-option equals ascii video-bronze local-server-group
servergroup-15
set forwarding-options dhcp-relay relay-option starts-with hexadecimal fffff
local-server-group servergroup-east
set forwarding-options dhcp-relay relay-option default-action drop
Configuring DHCP Relay Agent To Selectively Process Client Traffic Based on
DHCP Option Strings
Step-by-Step
Procedure
To configure DHCP relay selective processing:
Specify that you want to configure DHCP relay agent support.1.
[edit forwarding-options]
user@host# edit dhcp-relay
2. Specify the DHCP option that DHCP relay agent uses to identify incoming client
traffic.
[edit forwarding-options dhcp-relay]
user@host# set relay-option option-number 60
3. Configure a default action, which DHCP relay agent uses when the incoming client
traffic does not satisfy any configured match criteria.
Copyright © 2017, Juniper Networks, Inc.54
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