Juniper EX3400 Features Guide

show system services dhcp statistics
Syntax show system services dhcp statistics
Release Information Command introduced before Junos OS Release 7.4.
Command introduced in Junos OS Release 9.0 for EX Series switches.
Description (J Series routers and EX Series switches only) Display Dynamic Host Configuration
Protocol (DHCP) server statistics.
Options This command has no options.
Required Privilege
Level
view and system
Related
Documentation
clear system services dhcp statistics on page 361•
List of Sample Output show system services dhcp statistics on page 455
Output Fields Table 30 on page 454 describes the output fields for the show system services dhcp
statistics command. Output fields are listed in the approximate order in which they
appear.
Table 30: show system services dhcp statistics Output Fields
Field DescriptionField Name
Lease time assigned to clients that do not request a specific lease time.Default lease time
Minimum time a client can retain an IP address lease on the server.Minimum lease time
Maximum time a client can retain an IP address lease on the server.Maximum lease time
Total number of packets dropped and number of packets dropped because of:
• Invalid hardware address
• Invalid opcode
• Invalid server address
• No available address
• No interface match
• No routing instance match
• No valid local addresses
• Packet too short
• Read error
• Send error
Packets dropped
Copyright © 2017, Juniper Networks, Inc.454
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