Name: Juniper EX3400
Brand: Juniper
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prefix (DHCP Relay Agent)

Syntax prefix prefix;

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)]

Release Information Statement introduced in Junos OS Release 8.3.

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.

Description Add a prefix to the DHCP base option 82 Agent Circuit ID (suboption 1) or Agent Remote

ID (suboption 2) information, or to the DHCPv6 option 18 (Relay Agent Interface-ID) or

option 37 (Relay Agent Remote-ID) information in DHCP packets that DHCP relay agent

sends to a DHCP server. The prefix can consist of any combination of the hostname,

logical system name, and routing instance name.

Options prefix—Any of the following:

• host-name—Prepend the hostname of the router configured with the host-name

statement at the [edit system] hierarchy level to the DHCP option information.

• logical-system-name—Prepend the name of the logical system to the option information.

• routing-instance-name—Prepend the name of the routing instance to the option

information.

Required Privilege

Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Documentation

• Including a Prefix in DHCP Options on page 63

• Using DHCP Relay Agent Option 82 Information on page 60

• Configuring DHCPv6 Relay Agent Options

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