Release Notes
Published: 2024-06-24
Release Notes: J-Web Application Package Release 24.2A1 for EX-Series Switches
Juniper Networks EX Series Ethernet Switches are shipped with the Juniper Networks Junos operating system (Junos OS) installed. Junos OS has the following primary user interfaces: Juniper Web Device Manager (J-Web) GUI and Junos OS CLI. These interfaces allow access, configuration, and management of EX Series switches. This document provides an overview of the newly re-designed J-Web interface.
Supported EX Series Switches
In Junos OS Release 24.2A1, the J-Web interface supports EX2300, EX2300-C, EX2300-MP, EX3400, EX4100, EX4100-F, EX4400, EX4400-24X, and EX4400-EM-1C uplink module for EX4400 and EX4400-24X switches that are supported from earlier releases. For detailed component support and special compatibility guidelines, refer to the switch's Hardware Guide. To identify features supported on EX Series switches in this release, use the Juniper Networks Feature Explorer, a web-based application available at https://apps.juniper.net/feature-explorer/.
Distribution Model
For Junos OS Release 14.1X53-D10 and later, the J-Web interface is available in two packages:
- Platform package: Provides basic J-Web features and is installed as part of Junos OS. This package enables basic configuration and maintenance of the switch.
- Application package: Provides all J-Web features and is a separately installable package. It must be downloaded and installed over the Platform package to enable full configuration, monitoring, maintenance, and troubleshooting capabilities. See "Upgrading to J-Web Application Package" on page 7 for installation information.
The Platform package follows the Junos OS release cycle. The Application packages have their own independent release cycle, allowing access to the latest J-Web features without waiting for Junos OS releases.
NOTE:
- The J-Web Application package is hot-pluggable; it can be installed on the current Junos OS without requiring a switch reboot.
- To check the current J-Web package, navigate to Help > About. The About window displays package details. If only Platform package details are shown, you are using the Platform package. If both Platform and Application package details are displayed, you are using the Application package.
| If your current J-Web package is: | Then you can: |
|---|---|
| Platform package | Upgrade to the Application package. |
| Application package | Update to a latest version of the Application package available on the Juniper Networks server that is compatible with the Junos OS on your switch. |
NOTE: Upgrading Junos OS replaces the current J-Web package with the J-Web Platform package associated with the upgraded Junos OS release. The latest Application package for the upgraded Junos OS can then be installed over the Platform package.
Release Compatibility
J-Web Application packages have independent release cycles (A1, A2, A3, etc.) and are compatible only with the corresponding major Junos OS release. Table 1 provides the release compatibility matrix.
Table 1: J-Web Release Compatibility Matrix
| Junos OS Release | Associated J-Web Application Package Release |
|---|---|
| 14.1X53-D10 through 14.1X53-D46 | Application package 14.1X53-A2 |
| 14.1X53-D47 and later | Application package 14.1X53-A3 |
| 15.1R1 | Application package 15.1A1 |
| 15.1R3 | Application package 15.1A2 Application package 15.1A3 |
| 15.1X53-D50 | Application package 15.1X53-A1 NOTE: This release is only for EX2300, EX2300-C, and EX3400 switches. |
| 16.1R1 | Application package 16.1A1 |
| 17.1R1 | Application package 17.1A1 |
| 17.2R1 | Application package 17.2A1 |
| 17.3R1 | Application package 17.3A1 |
| 15.1X53-D57 | Application package 15.1X53-A2 |
| 17.4R1 | Application package 17.4A1 |
| 18.1R1 | Application package 18.1A1 |
| 18.1R2 | Application package 18.1A2 |
| 18.2R1 | Application package 18.2A1 |
| 18.2R1 and later and all service releases of 18.2R1 and later | Application package 18.2A2 |
| 18.3R1 | Application package 18.3A1 |
| 18.4R1 | Application package 18.4A1 |
| 18.4R1 and later and all service releases of 18.4R1 and later | Application package 18.4A2 |
| 19.1R1 | Application package 19.1A1 |
| 19.2R1 | Application package 19.2A1 |
| 19.3R1 | Application package 19.3A1 |
| 19.3R1 and later and all service releases of | Application package 19.3A2 |
| 19.4R1 | Application package 19.4A1 |
| 20.1R1 | Application package 20.1A1 |
| 20.1R1 | Application package 20.1A2 |
| 20.2R1 | Application package 20.2A1 |
| 20.3R1 | Application package 20.3A1 |
| 20.4R1 | Application package 20.4A1 |
| 21.1R1 | Application package 21.1A1 |
| 21.2R1 | Application package 21.2A1 |
| 21.3R1 | Application package 21.3A1 |
| 21.4R1 | Application package 21.4A1 |
| 21.4R1 | Application package 21.4A2 |
| 22.1R1 | Application package 22.1A1 |
| 22.2R1 | Application package 22.2A1 |
| 22.3R1 | Application package 22.3A1 |
| 22.4R1 | Application package 22.4A1 |
| 23.1R1 | Application package 23.1A1 |
| 23.2R1 | Application package 23.2A1 |
| 23.2R1 | Application package 23.2A2 |
| 23.4R1 | Application package 23.4A1 |
| 24.2R1 | Application package 24.2A1 |
Any later version of the Application package for a Junos OS release supersedes the earlier version. It is recommended to install the latest available version of the Application package.
New and Changed Features
This section describes the features and enhancements in J-Web Application Package Release 24.2A1.
What's New in J-Web Application Package Release 24.2A1
J-Web Application package supports EX2300, EX2300-C, EX2300-MP, EX3400, EX4100, EX4100-F, EX4400, EX4400-24X, and EX4400-EM-1C uplink module for EX4400 and EX4400-24X switches that are supported from earlier releases.
Upgrading to J-Web Application Package
There are two methods for downloading and installing the J-Web Application package:
- Manual update
- CLI procedure
A specific order for installation tasks is prescribed for updating the Application package from an earlier version or the Platform package. Refer to Table 2 for the prescribed order of tasks.
Table 2: Installation Outline
| Mode of Installation | Installation Outline |
|---|---|
| Manual Update | To manually check and install the latest J-Web Application package: 1. Navigate to Maintain > Update J-Web in the side pane, and click Select Application Package. 2. In the Update J-Web window, select Local File, enter authentication details, download the file to your local system, select the file, and click Update. |
| CLI Procedure | 1. Download the J-Web Application package and save it in the switch. 2. Log in to the CLI and enter the operational mode. 3. Install the package using the CLI command: request system software add <application package file name>. |
Software Compatibility
To access the J-Web interface for the switch, your management device requires the following software:
- Supported browsers: Mozilla Firefox and Google Chrome.
NOTE:
- A screen resolution of 1440 X 900 pixels is recommended.
- Microsoft ended Internet Explorer support in June 2022. Therefore, starting with Junos OS Release 22.4R1 or later, the J-Web user interface is not supported in Internet Explorer.
- Language support: English-version browsers.
Known Issues and Limitations
This section lists the known issues in the J-Web Application package Release 24.2A1.
Known Issues
Table 3 lists the PR numbers and their descriptions for known issues in the J-Web Application package Release 24.2A1.
Table 3: Known Issues
| PR Number | Problem Description |
|---|---|
| NA | Adobe Flash Player support ended on December 31, 2020. Therefore:
|
| 1029736 | In the Maintain > Update J-Web page, Select Application package > Update J-Web, local file does not work in Microsoft IE9 and later releases, because of the default security options set on these browsers. As a workaround, increase the security level: Method 1: 1. Navigate to Internet Options > Security. 2. Select the zone Local intranet. 3. Click the custom level button. 4. Disable the option Include local directory Path when uploading file to the server in the Settings > miscellaneous section. 5. Repeat Step 3 and Step 4 for the zone Internet. Method 2: Navigate to Internet Options > Security > Custom level... and set Reset custom settings to Medium-High or High. This automatically disables the option Include local directory Path when uploading file to the server under Settings > miscellaneous section. |
| 1810275 | For Junos OS Release 24.2A1, in J-Web, the feature to Install Junos OS Upgrade package from a remote server, which was available at Maintain > Update Junos, has been deprecated. |
Known Limitations
Table 4 lists the PR numbers and their descriptions for known limitations in the J-Web Application package Release 24.2A1.
Table 4: Known Limitations
| PR Number | Problem Description |
|---|---|
| 1513612 | For Junos OS release 18.X and 19.X and its service releases, the auto update option is not supported (Where X is R1, R2, R3, and R4). NOTE: To disable the auto update information, go to Maintain > Update J-Web page and clear the Check for updates automatically on every login check box under Update Preference. To manually check and install the latest J-Web Application package: 1. Go to Maintain > Update J-Web in the side pane, and click Select Application Package. 2. Select Local File in the Update J-Web window, enter authentication details, download the file to your local system, select the file, and click Update. |
| 777372 | If a Virtual Chassis contains more than six members, the Support Information page (Maintain > Customer Support > Support information) might not load. This is a known software limitation. |
| 604595 | The J-Web interface does not support role-based access control; it supports only users in the super-user authorization class. Therefore, a user who is not in the super-user class, such as a user with view-only permission, is able to launch the J-Web interface and is allowed to configure everything, but the configurations fail on commit, and the switch displays access permission errors. This is a known software limitation. |
| 1026308 | If you uninstall the J-Web Platform package by using CLI, reinstalling the Application package will not restore J-Web. Workaround: Reinstall Junos OS software. |
| 1006208 | J-Web software does not compare for appropriateness of the Application package or restrict you from installing inappropriate Application package on top of a Platform or Application package. Workaround: Install the appropriate J-Web package. |
| 915069 | The J-Web interface does not display CLI generated certificates in the Certificate section in the Management Access Configuration page (Configure > System Properties > Management Access). Using J-Web interface you cannot create or edit certificates. Workaround: Use the CLI interface for accessing certificate related configurations. |
| 400814 | In the J-Web interface, you cannot commit some configuration changes in the Ports Configuration page or the VLAN Configuration page because of the following limitations for port-mirroring ports and port-mirroring VLANs:
|
