Juniper EX3300 Hardware Guide

show interfaces diagnostics optics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
show interfaces ge- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
show interfaces irb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
show interfaces me0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
show interfaces queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
show interfaces xe- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
show lacp interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
test interface restart-auto-negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Part 4 Troubleshooting
Chapter 6 Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Troubleshooting an Aggregated Ethernet Interface . . . . . . . . . . . . . . . . . . . . . . . 329
Show Interfaces Command Shows the LAG is Down . . . . . . . . . . . . . . . . . . 329
Logical Interface Statistics Do Not Reflect All Traffic . . . . . . . . . . . . . . . . . . 329
IPv6 Interface Traffic Statistics Are Not Supported . . . . . . . . . . . . . . . . . . . 330
SNMP Counters ifHCInBroadcastPkts and ifInBroadcastPkts Are Always
0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Troubleshooting Interface Configuration and Cable Faults . . . . . . . . . . . . . . . . . 330
Interface Configuration or Connectivity Is Not Working . . . . . . . . . . . . . . . . 330
Troubleshooting Unicast RPF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Legitimate Packets Are Discarded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Diagnosing a Faulty Twisted-Pair Cable (CLI Procedure) . . . . . . . . . . . . . . . . . . . 332
ixCopyright © 2015, Juniper Networks, Inc.
Table of Contents

Juniper EX3300 Specifications

General

Ethernet LAN	Yes
Authentication method	RADIUS, TACACS+
Connectivity technology	Wired
Ethernet interface type	Gigabit Ethernet
Number of VLANs	4096
Networking standards	IEEE 802.1ab, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3x, IEEE 802.3z
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Copper ethernet cabling technology	1000BASE-T, 100BASE-TX, 10BASE-T
Console port	-
ExpressCard slot	No
Fiber ports quantity	4
USB 2.0 ports quantity	0
Basic switching RJ-45 Ethernet ports quantity	48
Throughput	130 Mpps
Number of queues	8
MAC address table	16000 entries
Maximum data transfer rate	176 Gbit/s
Supported data transfer rates	10, 100, 1000Mbps
Switch type	Managed
Switch layer	L2
Security algorithms	SSH-2
Power source	AC
AC input voltage	100 - 240 V
Power consumption (typical)	100 W
Form factor	1U
Product color	Black
Flash memory	1024 MB
Processor frequency	1000 MHz
Compatible operating systems	Junos
Operating altitude	0 - 3049 m
Non-operating altitude	0 - 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 %
Supported network protocols	IPv6

Weight and Dimensions

Depth	310 mm
Width	437 mm
Height	44 mm
Weight	4900 g