Chapter 60 Troubleshooting Interfaces; Troubleshooting Network Interfaces On Ex3200 Switches; The Interface On One Of The Last Four Built-In Network Ports In An Ex3200 Switch (For Example, Interface Ge-0/0/23) Is Down - Juniper JUNOS OS 10.4 - FOR EX REV 1 Manual

CHAPTER 60
Troubleshooting Interfaces

Troubleshooting Network Interfaces on EX3200 Switches

The interface on one of the last four built-in network ports in an EX3200 switch (for example,
interface ge-0/0/23) is down
Problem
Copyright © 2010, Juniper Networks, Inc.
Troubleshooting Network Interfaces on EX3200 Switches on page 1353
Troubleshooting Network Interfaces on EX4200 Switches on page 1354
Troubleshooting an Aggregated Ethernet Interface on page 1355
Troubleshooting Interface Configuration and Cable Faults on page 1356
Troubleshooting Unicast RPF on page 1357
Troubleshooting Uplink Module Installation or Replacement on EX4200
Switches on page 1357
Troubleshooting Uplink Module Installation or Replacement on EX4200
Switches on page 1358
Diagnosing a Faulty Twisted-Pair Cable (CLI Procedure) on page 1359
This topic provides troubleshooting information for specific problems related to interfaces
on EX3200 switches.
The interface on one of the last four built-in network ports in an EX3200 switch (for
example, interface ge-0/0/23) is down on page 1353
The interface on the port in which an SFP or SFP+ transceiver is installed in an SFP+
uplink module is down on page 1354
The interface on one of the last four built-in ports (
24-port models or
ge-0/0/44
switch is down.
An SFP or SFP+ uplink module is installed in the switch and a transceiver is installed in
one of the ports on the uplink module.
When you check the status with the CLI command
user interface, the disabled port is not listed.
ge-0/0/20
through on 48-port models) of an EX3200
ge-0/0/47
show interfaces ge-
through on
ge-0/0/23
or with the J-Web
1353