Related topics – Juniper Networks J-Series User Manual

Page 68

■

The physical interface is

Enabled

. If the interface is shown as

Disabled

, do either

of the following:

■

In the CLI configuration editor, delete the

disable

statement at the

[edit

interfaces interface-name]

level of the configuration hierarchy.

■

In the J-Web configuration editor, clear the Disable check box on the
Interfaces>interface-name page.

■

The physical link is

. A link state of

Down

indicates a problem with the interface

module, interface port, or physical connection (link-layer errors).

■

The

Last Flapped

time is an expected value. The

Last Flapped

time indicates the

last time the physical interface became unavailable and then available again.
Unexpected flapping indicates possible link-layer errors.

■

The traffic statistics reflect expected input and output rates. Verify that the
number of inbound and outbound bytes and packets matches expected
throughput for the physical interface. To clear the statistics and see only new
changes, use the

clear interfaces statistics interface-name

command.

■

The dialer state is

Active

when a USB modem call is in progress.

■

The LCP state is

Opened

when a USB modem call is in progress. An LCP state of

Closed

Not Configured

indicates a problem with the dialer configuration that

needs to be debugged with the

monitor traffic interface interface-name

command.

For information about the

monitor traffic

command, see “Using the monitor traffic

Command” on page 246.