Discussion

0.0.0.0/0 *[Static/5] 07:36:18
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aviva@router> show route in prompt indicates operational mode
inet.0: 20 destinations, 20 routes (19 active, 0 holddown, 1 hidden)
+ = Active Route, - = Last Active, * = Both
0.0.0.0/0 *[Static/5] 07:36:18
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What does it mean to move to a portion of the configuration? You can think of the
JUNOS configuration as a hierarchy of configuration statements and containers,
delimited by braces ({ }) that define the scope in which those statements apply. This
hierarchy provides a way to organize the large number of features and functions that
you can configure on the router, grouping related functions together so that you can
locate them when configuring the router and when reviewing the configuration.
When you first enter configuration mode, you are at the top of the hierarchy. You
see your location in the hierarchy in the line that precedes the configuration mode
prompt. The line [edit] indicates that you are at the top of the hierarchy. The edit
command allows you to move within the configuration hierarchy so that all configuration
commands take place within the current container. As you move through the hierarchy,
the text in square brackets changes to indicate your location in the hierarchy.
The configuration statements that you use to set the router’s behavior are also
arranged in a hierarchical fashion. If you type edit ? at the top level of the configuration
hierarchy, you see the broad functional JUNOS software areas that you can control
through the configuration:
[edit]
aviva@router1# edit ?
Possible completions:
> access Network access configuration
> accounting-options Accounting data configuration
> applications Define applications by protocol characteristics
> chassis Chassis configuration
> class-of-service Class-of-service configuration
> firewall Define a firewall configuration
> forwarding-options Configure options to control packet sampling
> groups Configuration groups
> interfaces Interface configuration
> logical-routers Logical routers
> policy-options Routing policy option configuration
> protocols Routing protocol configuration
> routing-instances Routing instance configuration
> routing-options Protocol-independent routing option configuration
> security Security configuration
> services Service PIC applications settings
> snmp Simple Network Management Protocol configuration
> system System parameters
6 | Chapter 1: Router Configuration and File Management
This is the Title of the Book, eMatter Edition
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