Monitoring Routing Information - Juniper J-Series Administration Manual

Table 51: Summary of Key Interfaces Output Fields (continued)
Field Values
Admin Whether the interface is enabled up (
State
( Down ).
MTU Maximum transmission unit (MTU) size on the physical
interface.
Speed Speed at which the interface is running.
Current Configured media access control (MAC) address.
Address
Hardware Hardware MAC address.
Address
Last Date, time, and how long ago the interface changed
Flapped state from
Down
Active List of any active alarms on the interface.
Alarms
Traffic Number of packets and bytes received and transmitted
Statistics on the physical interface.
Input Errors Input errors on the interface. (See the following rows
of this table for specific error types.)
Drops Number of packets dropped by the output queue.
Framing Sum of ATM Adaptation Layer (AAL5) packets that
errors have frame check sequence (FCS) errors, AAL5 packets
that have reassembly timeout errors, and AAL5
packets that have length errors.
Policed Number of packets dropped as a result of routing
discards policies configured on the interface.

Monitoring Routing Information

The J-Web interface provides information about routing tables and routing protocols.
) or disabled
Up
to .
Up
Chapter 7: Monitoring the Router and Routing Operations
Additional Information
Interfaces are enabled by default. To disable an
interface:
In the J-Web configuration editor, select the
Disable check box on the
Interfaces>interfaces-name page.
In the CLI configuration editor, add the
statement at the
[edit interfaces interfaces-name]
level of the configuration hierarchy
Configure alarms on interfaces as follows:
In the J-Web configuration editor, on the
Chassis>Alarm>interface-type page
In the CLI configuration editor, with the
statement at the [edit chassis]
configuration hierarchy
If the interface is saturated, this number increments
once for every packet that is dropped by the Services
Router's random early detection (RED) mechanism.
Using the Monitoring Tools
disable
alarm
level of the
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