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NCOS: VLAN & Trunking Configuration

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NCOS: VLAN & Trunking Configuration

Products Supported: AER31x0, AER21x0, AER16x0, MBR1400, CBA850, CBA750B, IBR11x0, IBR9x0, IBR6x0C, IBR6x0B, IBR6x0, IBR350. Click here to identify your router.

NCOS Version: 6.0.x and newer - for information on upgrading NCOS, click here.


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Summary

Configuration

Local Network Configuration

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Summary

A tagged port will add an 802.1q tag to frames sent from this VLAN and will check incoming frames for an 802.1q tag for ingress VLAN membership. An untagged port will not add a tag to frames sent from this VLAN, and a tag will not be required for ingress VLAN membership. A port can only be untagged in one VLAN. For example, setting Port 1 as untagged in one VLAN will stop you from adding Port 1 untagged to another VLAN. A port can be tagged in any number of VLANs.


Configuration

For this we are going to create 2 VLANs for use on Ethernet Port 1. Below is a list of the VLANs and IP addressing information that are presented in this document. All of the networks will need to be configured with 802.1Q VLAN tagging for Trunking multiple VLANs over a single Ethernet port. All networks will participate in VLAN packet tagging.

| UID | VID | IP Address |

| - - - | - - - | - - - - - - |

|Public|101|10.10.10.1|

|Internal|201|172.16.15.1|

VLAN Configuration

Configuration Difficulty: Expert

We will create the VLAN interfaces that will later be associated with specific IP networks, for now this step will associate a VLAN interface (VID tag number) with a selected ethernet port.

  • Step 1: Log into the NCOS Setup Page. For help with logging in please click here.
  • Step 2: Click on the NETWORKING tab and select VLAN Interfaces.
  • Step 3: Click the Add button to begin configuring VLAN interfaces.

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  • Step 4: Enter the VID number.
  • Step 5: Enter a UID for easy reference.
  • Step 6: Set the Mode to LAN.
  • Step 7: Under the Configured Ports click Add.

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  • Step 8: For Port select 1.
  • Step 9: For Port Mode select Tagged.
    • Note: If you wish to create an Access Port you will want to select Untagged, however for the purposes of this example, we are creating a trunked port.
  • Step 11: Click Update.

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  • Step 12: Click Save.

Repeat Steps 3 through 12 for each VLAN ID you wish to create. When you are done you should see the VLANs as shown below.

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We must manually assign them to one of the CradlePoint router's LANs.

Local Network Configuration

Configuration Difficulty: Expert
  • Step 1: Click on the NETWORKING tab, select the Local Networks sub-menu, and choose Local IP Networks.

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  • Step 2: Within the General Settings tab, ensure the Enabled box is checked and give the network a recognizable Name.

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  • Step 3: Within the IPv4 Settings tab, set the IP address for the CradlePoint router on this network.

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  • Step 4: On the Interfaces tab, select one of the VLAN interfaces within the Available box, and click the [+] to the right of it to move it to the Selected box. Click Save to save this network.
    • Note: You can add multiple interfaces, including WiFi, to each network as necessary.

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  • Step 5: Repeat steps 1 through 4 until all VIDs coming over trunked ethernet port 1 have been associated with networks.

NOTE: To allow the networks to communicate with each other or to use the router's WAN interfaces, the appropriate rules must be added to the router's Zone Firewall.


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Published Date: 5/16/2017

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