Add an OLT
You add an OLT once. After that the panel logs in to it by Telnet and reads it every 5 minutes. This page explains each field of the form and what happens when you press Save.
What the OLT needs
- A supported model. Select Huawei, ZTE or V-SOL. The exact model is detected from the OLT. New family drivers start with read-only GPON monitoring. See Supported OLTs for firmware requirements and feature limits.
- Telnet turned on. The panel talks to the OLT by Telnet. The usual port is 23.
- A user that may configure ONUs. After login the panel enters
enableand thenconfigmode. A user that cannot enter these modes cannot be used. A read only user is not enough if you want to authorize, reboot or change ONUs. - A way to reach it. Either a public address or port forward, or a MikroTik router on the same network as the OLT.
Reading is automatic. Nothing is changed on the OLT unless you press a button for it, such as authorize, reboot or a VLAN change.
Open the form
- In the menu open Settings, then OLTs.
- Press the green Add OLT button. If you have no OLT yet, the form is already open.
- To change an OLT later, press the pencil icon in the Action column of the list, or open the OLT and press Edit OLT settings.
The two connection types
The Connection field decides how the panel reaches the OLT.
| Choice in the form | Use it when | What you enter |
|---|---|---|
| Through the SmartOLT VPN (no public IP needed) | The OLT has only a private address, for example 192.168.100.2. This is the choice the form starts with. | The OLT's own IP in your network. You then paste ready made commands into the MikroTik the OLT sits behind. |
| Directly, on a public IP or port forward | The OLT's Telnet port can be reached from the internet, on a public IP or through a port forward on your router. | The public IP or host name, and the port. |
With the VPN, nothing on the OLT is opened to the internet. Your router dials out to the panel, and the panel reaches the OLT through that tunnel. The steps are in Connect an OLT through OpenVPN and a MikroTik router.
A private address cannot be used with the direct connection. If you enter one, the panel refuses it and tells you to choose Through the SmartOLT VPN and enter the address there as the OLT IP. A host name that points to a private address is refused in the same way.
The fields of the form
| Field | What it means |
|---|---|
| Name | Your own name for the OLT, for example Main OLT. Required, up to 100 characters. It is shown in every list and filter. |
| Connection | VPN or direct. See the table above. |
| OLT IP (VPN only) | The OLT's own IPv4 address as your MikroTik sees it, for example 192.168.100.2. |
| Telnet TCP port (VPN) | The Telnet port on the OLT itself. Normally 23. |
| OLT IP or FQDN (direct only) | The public IP of the OLT or of your router, or a host name that points to it. |
| Telnet TCP port (direct) | The port that is open to the internet. With a port forward this is the outside port on your router, which may be different from 23. |
| Connection protocol | Always Telnet. You cannot change it. |
| OLT telnet username | The OLT user the panel logs in with. |
| OLT telnet password | The password of that user. It is stored encrypted and is never shown again. When you edit an OLT, leave it blank to keep the saved one. |
| IPTV provisioning | Information only. The panel does not set up IPTV. On ONUs that carry several services, only the internet service is changed. |
| SNMP monitoring | Tick Enable read-only SNMPv2c if you want it. See the SNMP section below. |
| SNMP read-only community | The community that is configured on the OLT. Required when SNMP is enabled. Stored encrypted. |
| SNMP UDP port | Normally 161. For a VPN connection, enter the SNMP port on the OLT itself. |
| Manufacturer | Always Huawei. |
| OLT hardware version | Shows Not read yet at first. The panel detects the model after a successful read. |
| Supported PON types | GPON. |
What happens after you press Save
The note next to the button says: Saving logs in to the OLT and reads it at once.
- Direct connection. The panel logs in straight away. On a big OLT this takes up to a minute. When it works you return to the OLT list with a message such as OLT saved and read: 240 ONUs found, 231 online.
- VPN connection, router not connected yet. You are taken to the OLT page with the message OLT saved. Now connect your MikroTik to the SmartOLT VPN with the commands below. The first read happens after the tunnel is up.
- The login fails. The OLT is still saved. You see The OLT was saved, but SmartOLT could not read it: followed by the reason. Fix the cause with the help of When an OLT will not connect.
A read collects the model and software version, the boards, the line and service profiles, the VLANs, every ONU with its status and signal, and the ONUs that wait for authorization. From then on the panel repeats the read every 5 minutes. You can press Refresh at any time to read at once.
In the OLT list, the dot in the status column is green when the OLT is connected. Last read shows how long ago the panel last read it. The View button opens the OLT page with the tabs OLT details, OLT cards, PON ports, Uplink, VLANs, Profiles and CLI. These are described in OLT tools.
The SNMP option
SNMP is optional. The panel uses read-only SNMPv2c to read the system uptime and the Ethernet interface counters, which gives you uplink traffic. ONU provisioning and optical levels always use Telnet, so the panel works without SNMP.
- Configure a read-only SNMPv2c community on the OLT.
- Edit the OLT in the panel, tick Enable read-only SNMPv2c, enter the community and the UDP port, then press Save.
- Open the OLT and its Uplink tab to test the connection and see the interface counters.
- With a direct connection, the UDP port must be reachable from the internet, the same way as the Telnet port.
- With a VPN connection, copy the MikroTik commands from the OLT page again and paste them into the router after you enable SNMP or change a port. The new commands add the SNMP forward.
- A failed SNMP read does not mean that Telnet is down. The two are checked separately.
Edit or remove an OLT
Saving the form again resets the failure counters, so the automatic reads try the OLT again with the new settings. This is also how you resume reads that were paused after a wrong password.
The red bin icon in the list removes the OLT from the panel. Nothing changes on the OLT itself and your customers stay connected. The ONU records of that OLT are removed from the panel.
If something goes wrong
- "Enter the OLT's own IP in your network, for example 192.168.100.1." With the VPN connection, the OLT IP must be a valid IPv4 address.
- "Enter the OLT address as an IP or a host name." With the direct connection, the address field is empty or not valid.
- "Enter the read-only SNMP community configured on the OLT." You enabled SNMP without a community.
- "The OLT refused the username or password." Edit the OLT, enter the right login and save.
- For every other message, see When an OLT will not connect.
Still stuck? Write to us and include your site name. No panel yet? Create one for free.