Juniper EX3400 Features Guide

use-interface-description
Syntax use-interface-description (logical | device);
Hierarchy Level [edit forwarding-options dhcp-relay dhcpv6 (relay-agent-interface-id |
relay-agent-remote-id)],
[edit forwarding-options dhcp-relay dhcpv6 group group-name (relay-agent-interface-id |
relay-agent-remote-id)],
[edit forwarding-options dhcp-relay relay-option-82 (circuit-id | remote-id)],
[edit forwarding-options dhcp-relay group group-name relay-option-82 (circuit-id |
remote-id)],
[edit logical-systems logical-system-name ... forwarding-options dhcp-relay dhcpv6
(relay-agent-interface-id | relay-agent-remote-id)],
[edit logical-systems logical-system-name ... forwarding-options dhcp-relay ... relay-option-82
(circuit-id | remote-id)],
[edit routing-instances routing-instance-name forwarding-options dhcp-relay dhcpv6
(relay-agent-interface-id | relay-agent-remote-id)],
[edit routing-instances routing-instance-name forwarding-options dhcp-relay ...
relay-option-82 (circuit-id | remote-id)],
[edit vlans vlan-name forwarding-options dhcp-security dhcpv6-options option-18],
[edit vlans vlan-name forwarding-options dhcp-security dhcpv6-options option-37]
Release Information Statement introduced in Junos OS Release 9.6.
Support at the [edit ... dhcpv6] hierarchy levels introduced in Junos OS Release 11.4.
Statement introduced in Junos OS Release 12.3 for EX Series switches.
Support at the [edit ... relay-agent-remote-id] and [edit ... remote-id] hierarchy levels
introduced in Junos OS Release 14.1.
Support at the [edit vlans vlan-name dhcp-security dhcpv6-options option-18] and [edit
vlans vlan-name dhcp-security dhcpv6-options option-37] hierarchy levels introduced in
Junos OS Release 14.1X53-D10 for EX Series switches.
Description Use the textual interface description instead of the interface identifier in the DHCP base
option 82 Agent Circuit ID (suboption 1) or Agent Remote ID (suboption 2) information,
or in the DHCPv6 option 18 (Relay Agent Interface ID) or option 37 (Relay Agent Remote
ID) information in DHCP packets that the DHCP relay agent sends to a DHCP server.
NOTE: For integrated routing and bridging (IRB) interfaces, the option 82
field must be able to uniquely identify the incoming interface based on either
the Agent Circuit ID or Agent Remote ID. You can modify the information in
the textual interface description to match the raw IFD (physical interface
without a subunit) name and configure the option 82 field to use the interface
description.
The textual description is configured using the description statement at the [edit interfaces
interface-name] hierarchy level. If you specify that the textual description be used and
no description is configured for the interface, DHCP relay defaults to using the Layer 2
interface name. When you use the interface description rather than the interface name,
309Copyright © 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