Configuring OLT and ONT in Eltex EMS (XGS-PON diagram)

To connect to the GUI of the EMS server from the operator's workplace, the Java17 package (for current versions of EMS) must be installed on the operator's PC. Connection is made by downloading the applet to the PC via a browser at the following address:

http://<ems_server_ip>:8080/ems/jws

Next, the downloaded jnlp applet file must be run using Java. By default, an admin account without a password is used to access the GUI. Logging in is done by entering the user's account name and password. After the user is identified, a dialog box with a list of allowed actions and nodes, or an error login message is displayed. Users have the ability to customize parameters such as: login, password, role, account expiration date, etc. Users are configured in the "Administration" section → "Permissions and Users" → "System User Configuration".

Examine the workspace of the EMS user interface and work with the configuration of the EMS device, performing the actions for configuring service profiles and ONT, similar to those described for CLI in the section Configuring OLT and ONT in CLI (XGS-PON diagram).

Description of the management system workspace

The EMS user interface workspace globally consists of the following elements:

• Control panel (1);
• Device tree (2);
• Settings field (3);
• Task field (4).

The placement of the listed fields is shown on the screenshot.

Adding devices to the object tree

To manage the device, it is necessary to add network node (OLT) to the object tree. Addition is performed by clicking the icon in the object tree. Then the following should be specified:

• Object name — can be anything (it can match hostname, management IP address, etc.);
• Object — model of the device to be added;
• IP address — management IP address set on the device;

The object name does not need to be the same as the device hostname. The device name specified when adding to the tree is only necessary to identify the OLT within the EMS system.

The added device must be reachable by the management IP address from the EMS server. Devices can be grouped into directories by adding an object with the NODE type and placing a network node under this object. Devices can be grouped by various characteristics: geographic location, device model, etc. For the correct operation of the device, it is necessary that the added device should be configured to send traps to the IP EMS server (see SNMP configuration in section Configuring OLT and ONT in CLI (XGS-PON diagram)).

After adding a device, the control system will interact with the device using the default community public and private values. If they have been changed, it is necessary to specify new settings for this device in the EMS. Select the device in the object tree, then go to the "Access" tab, click the edit icon and specify the correct access parameters.

In addition, for EMS to work correctly with OLT, it is mandatory to configure the OLT to send traps to the EMS server address. If this has not been done previously from the CLI, it can be configured via EMS after adding the device. Select the desired OLT in the device tree, then go to the "Configuration" tab in the settings field, then to the "Traps" section. In this window, add the traps recipient. A window will open in which the EMS server data will be automatically substituted. If necessary, correct the automatically substituted data and apply the changes.

To update the OLT information, synchronize the device by clicking the  button on the control panel. To synchronize all added OLTs, when clicking the button, the root device (EMS) must be selected in the device tree or, to synchronize an individual OLT, select a specific device in the tree. Synchronization of all devices in the tree is performed automatically once an hour. Also, information about OLT status is updated in real time when the SNMP trap server receives SNMP trap messages from OLT about various events.

Configuring OLT and ONT

Take a look at an example of configuring NTX-1 to provide Internet and IPTV services in untagged form for connection to the home router's ONT according to the diagram from the Aim of the guide section and according to the configuration details given in Configuring OLT and ONT in CLI (XGS-PON diagram).

Configuring PON Port

To configure the operating mode of PON interfaces (GPON or XGS-PON), select the required OLT in the device tree, then go to the "Configuration" tab in the settings field, then to the "PON Port" section. To change the port mode, select it from the list and click the Edit button in the settings field. Use the Apply and Save buttons on the control panel to apply and save the settings. If the PON port is of the desired type, leave the settings unchanged. The window of editing PON port parameters looks as follows:

Configuring cross-connect profiles

To configure cross-connect profiles, select the desired OLT in the device tree, then in the settings field go to the "Configuration" tab, then to the "Profiles" section and select the "CrossConnectProfile" type. By default, all types of default profiles are always created on the OLT. For cross-connect, the default profile crossconnect1 has been created. To add a new profile, use the button. The settings field of this section looks like this:

Create a cross-connect profile for the NTX-1 as shown on the screenshot below. Accept the changes that have been made.

Configuring ports profiles

To configure ports profiles, select the desired OLT in the device tree, then in the settings field go to the "Configuration" tab, then to the "Profiles" section and select the "PortsProfile" type. By default, all types of default profiles are always created on the OLT. The default profile created for ports is ports1. To add a new profile, use the button. The settings field of this section looks like this:

Create a ports profile for NTX-1 according to the screenshot below. In the example, NTX1 will be set as the profile name. From all available settings only the blocks Multicast dynamic entry 1, UNI #1, UNI #2 are used. Accept the changes made.

Configuring VLAN

VLANs are configured in the "VLAN" section of the "Configuration" tab. All VLANs on the OLT are created by default, but are missing from the EMS list because they are present in the default configuration, which is hidden. To add the desired VLAN to the interface, you can create it in the EMS GUI. By default, the configuration field of the VLAN section looks as follows:

Use the  button for adding VLAN. Create a VLAN multicast with VLAN ID 30.

Next, the VLAN editing window will automatically open. Here it is possible to specify multicast processing parameters for the created VLAN and set the name of the VLAN in the configuration. When creating a VLAN, all parameters can be left at their default values. In this example, set the name of the VLAN as "IPTV".

VLAN configuration on OLT Uplink interfaces is performed at the "Front Port" tab. To edit VLANs assigned to the interface, select the desired Front port in the list and click the "Edit" button.

The following parameters can be specified in the Uplink interfaces configuration editing window:

• Interface description;
• SwitchPort Mode – VLAN operation mode on the port. Possible options are: general, access and trunk. General mode is used by default.
• VLAN allow – list of VLANs allowed on the interface. The enumeration is carried out using commas.
• Bridge allow – List of VLANs for which bridging (traffic transfer between neighboring Front ports) is allowed. The enumeration is carried out using commas.
• PVid – VLAN ID to which ingress traffic will be directed (default is VLAN 1).
  
  

Follow the same steps to create a VLAN and add it to the Front-port configuration for the Internet service VLAN.

Configuring multicast on OLT

Multicast processing on the OLT is configured in the "Multicast" section of the "Configuration" tab. In the current implementation, only global IGMP snooping management is available in this section. The parameter must be enabled.

Registering the ONT on the OLT and assigning configuration to the ONT

ONTs and their configurations are managed in the "ONT List" tab. This list displays registered and unregistered ONTs. The screenshot below shows an example of how this section looks when there are no configured ONTs and when there is a connected but unregistered ONT.

ONT registration and assignment of configuration can be performed by double-clicking the ONT in the list. As a result, a window will open where the ONT must be assigned an ID in the configuration and the necessary service profiles must be specified. The Serial and PON Port ID fields will be filled in automatically based on the real PON serial value and the physical number of the PON port to which the ONT is connected. The ONT ID field will also be filled in automatically based on the next free ONT ID. These values can be corrected manually. After specifying the required information in the current window, click Accept, and then perform the Apply action on the control panel.

After the settings are applied, when ONT registration is successful, the status will change to "OK" and the indicator color will change to green.