Junos® OS Ethernet Interfaces Configuration ... - Juniper Networks

CHAPTER 35
Investigate Fast Ethernet and Gigabit
Ethernet Interfaces
• Investigating Interface Steps and Commands on page 599
• Monitor Fast Ethernet and Gigabit Ethernet Interfaces on page 602
• Use Loopback Testing for Fast Ethernet and Gigabit Ethernet Interfaces on page 611
• Locate the Fast Ethernet and Gigabit Ethernet LINK Alarm and Counters on page 621
Investigating Interface Steps and Commands
This section includes the following information to assist you when troubleshooting ATM
interfaces:
• Investigating Interface Steps and Commands Overview on page 599
• Monitoring Interfaces on page 599
• Performing a Loopback Test on an Interface on page 600
• Locating Interface Alarms on page 602
Investigating Interface Steps and Commands Overview
Monitoring Interfaces
The “Monitoring Interfaces” on page 599 section helps you determine the nature of the
interface problem. The “Performing a Loopback Test on an Interface” on page 600 section
provides information to help you isolate the source of the problem. The “Locating Interface
Alarms” on page 602 section explains some of the alarms and errors for the media.
Problem The following steps are a general outline of how you monitor interfaces to determine the
nature of interface problems. For more detailed information on a specific interface, see
the corresponding monitor interfaces section.
Solution To monitor interfaces, follow these steps:
Copyright © 2012, Juniper Networks, Inc.
1. Display the status of an interface.
2. Display the status of a specific interface.
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