The steps to configure subinterfaces with 802.1Q VLAN tags on SFP+ interfaces in MikroTik Router CCR1009-7G-1C-1S+
Here are the steps to configure subinterfaces with 802.1Q VLAN tags on SFP+ interface in MikroTik Router CCR1009-7G-1C-1S+:
1 Log in to the MikroTik Router CCR1009-7G-1C-1S+ using Winbox or Webfig.
2 Go to Interfaces and click on the SFP+1 interface that you want to configure.
3 Click on the VLAN tab and click on the Add button.
4 In the VLAN ID field, enter the VLAN tag that you want to use (e.g., 10).
5 In the Interface field, select the SFP+1 interface that you want to assign the VLAN tag to.
6 Click OK to create the VLAN interface.
7 Now, go to the Interfaces tab and click on the VLAN interface that you just created.
8Click on the Add New Interface button and select VLAN.
9 In the VLAN ID field, enter the VLAN tag that you want to use (e.g., 10).
10 Enter a name for the subinterface (e.g., VLAN10).
11 Configure the IP address and other settings for the subinterface as needed.
12 Repeat steps 8-11 for each additional VLAN that you want to configure.
Once you have created the subinterfaces for each VLAN, you can use them to route traffic between VLANs or connect them to other network devices as needed.