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Understanding J-Web Configuration Tools
The J-Web graphical user interface (GUI) allows
you to monitor, configure, troubleshoot, and manage the switching
platform by means of a Web browser with Hypertext Transfer Protocol
(HTTP) or HTTP over Secure Sockets Layer (HTTPS) enabled. The J-Web
interface provides access to all the configuration statements supported
by the switch, so you can fully configure the switch without using
the CLI.
The J-Web interface provides two methods of configuring
the switch:
- Configure menu
- Point & Click Editor
- CLI Editor
Table 2 gives a comparison of the two methods of configuration.
In addition to configuration, you can use the J-Web interface
to perform many monitoring, troubleshooting, and management tasks
on the switch.
Table 2: Switching Platform Configuration
Interfaces
Tool | Description | Function | Use |
Configure menu
|
Web browser pages for setting up the switch quickly and
easily without configuring each statement individually.
For example, use the Virtual Chassis Configuration page to configure
the virtual chassis parameters on the switch.
|
Configure basic switch platform services:
- Interfaces
- Switching
- Virtual Chassis
- Security
- Services
- System Properties
- Routing
|
Use for basic configuration.
|
Point & Click editor
|
Web browser pages divided into panes in which you can
do any of the following:
- Expand the entire configuration hierarchy and click a
configuration statement to view or edit. The main pane displays all
the options for the statement, with a text box for each option.
- Paste a complete configuration hierarchy into a scrollable
text box, or edit individual lines.
- Upload or download a complete configuration.
- Roll back to a previous configuration.
- Create or delete a rescue configuration.
|
Configure all switching platform services:
- System parameters
- User Accounting and Access
- Interfaces
- VLAN properties
- Virtual Chassis properties
- Secure Access
- Services
- Routing protocols
|
Use for complete configuration if you are not familiar
with the JUNOS CLI or prefer a graphical interface.
|
CLI editor
|
Interface in which you do either of the following:
- Type commands on a line and press Enter to create
a hierarchy of configuration statements.
- Create an ASCII text file that contains the statement
hierarchy.
- Upload a complete configuration, or roll back to a previous
configuration.
- Create or delete a rescue configuration.
|
Configure all switching platform services:
- System parameters
- User Accounting and Access
- Interfaces
- VLAN properties
- Virtual Chassis properties
- Secure Access
- Services
- Routing protocols
|
Use for complete configuration if you know the JUNOS
CLI or prefer a command interface.
|
Before using the switching platform configuration tools, become
familiar with the terms defined in Table 3.
Table 3: Configuration Tools Terms
Term
|
Definition
|
candidate configuration
|
A working copy of the configuration that users can edit
without affecting the switching platform until that copy is committed.
|
configuration group
|
Group of configuration statements that can be inherited
by the rest of the configuration.
|
commit a configuration
|
Have the candidate configuration checked for proper syntax,
activated, and marked as the current configuration file running on
the switching platform.
|
configuration hierarchy
|
The JUNOS software configuration consists of a hierarchy
of statements. There are two types of statements: container statements,
which contain other statements, and leaf statements, which do not
contain other statements. All the container and leaf statements together
form the configuration hierarchy.
|
rescue configuration
|
Configuration that recovers a switching platform from
a configuration that denies management access. You set a current committed
configuration to be the rescue configuration through the J-Web interface
or CLI for emergency use.
|
roll back a configuration
|
Return to a previously committed configuration.
|
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