Juniper JUNOSE SOFTWARE 11.0.X - LINK LAYER CONFIGURATION GUIDE 4-1-2010 Configuration Manual page 155

Use the brief keyword to display the operational status of all configured interfaces.
Use the optional delta keyword to specify that baselined statistics are to be
shown.
Field descriptions
status One of the following states:
Up Traffic can flow on the interface
Offline Traffic cannot flow because hardware is unavailable
Down Traffic cannot flow because of a problem in the interface at the
current protocol layer
LowerLayerDown Traffic cannot flow because of a problem in an
interface at a lower protocol layer
AdministrativelyDown Traffic cannot flow because of manual
administrative intervention
Description Text description or alias if configured for the interface
In bytes Number of inbound bytes received on the interface
Out bytes—Number of outbound bytes transmitted on the interface
In frames Number of inbound frames received on the interface
Out frames Number of outbound frames transmitted on the interface
In errors Number of inbound errors received on the interface
Out errors—Number of outbound errors transmitted on the interface
In discards Number of inbound packets discarded
Out discards—Number of outbound packets discarded
In unknown protos Number of packets received on the interface with
unknown protocols
Time since last status change Time since the last status change on the
interface
Example
host1#show frame-relay interface
Frame relay interface 3/2:1/1, status is up
Description: boston01
Time since last status change 01:21:10
In bytes: 19712
In frames: 1232
In errors: 0
In discards: 0
In unknown protos: 0
Frame relay interface 3/2:2/1, status is up
Description: newyork02
Time since last status change 03:06:18
In bytes: 19728
Chapter 2: Configuring Frame Relay
Out bytes: 60918
Out frames: 1232
Out errors: 0
Out discards: 0
Out bytes: 60702
Monitoring Frame Relay
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