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For instructions on how to configure NSX Data Center Transport Zones, see Configuring NSX-T Data Center v3 Transport Zones and Edge Node Switches for TKGI.



Overview

This topic provides instructions for configuring NSX-T Data Center v3.1 Transport Zones and N-VDS switches on NSX-T Edge Nodes for use with VMware Tanzu Kubernetes Grid Integrated Edition (TKGI) on vSphere.

TKGI requires two Transport Zones for TKGI: an Overlay Transport Zone for the ESXi Transport Nodes and a VLAN Transport Zone for Edge Nodes.

TKGI requires that the host switch name associated with the Transport Zones match exactly the Edge Switch Name value that you specify when you configure an NSX-T Edge Node for use with TKGI.

You can configure your Transport Zones in three ways. The three configuration options require different levels of customization to complete:

Configuration Transport Zone Host Switch Name
Option 1: Use the Default Transport Zones No customization No customization
Option 2: Create Custom Transport Zones Yes customization No customization
Option 3: Use the NSX-T API Yes customization Yes customization

Note: In NSX-T 3.1 and later, the Transport Zone Host Switch Name has been deprecated and removed from the NSX-T configuration UI. For more information, see TKGI NSX-T Edge Switch and Transport Zone Host Switch Name Requirements.

Configure Your NSX-T Transport Zones for TKGI

TKGI requires the NSX-T Edge Switch Name and the Transport Zone host switch name to be identical. You can configure identical Edge Switch and Transport Zone host switch names using the following methods:

Option 1: Use the Default Transport Zones with a Single N-VDS Switch

By default NSX-T v3.x creates two transport zones for you: nsx-overlay-transportzone and nsx-vlan-transportzone. Both default Transport Zones use a single N-VDS host switch that is named nsxHostSwitch. The advantage of using the default Transport Zones is twofold. First, it simplifies the Edge Node configuration process. Second, you need only a single N-VDS for the Edge Nodes.

To use this option:

  1. Do not create a Transport Zone.
  2. Deploy the Edge Nodes and configure NSX-T.
  3. Specify nsxHostSwitch as the Edge Switch Name.

  4. Select both default transport zones, nsx-overlay-transportzone and nsx-vlan-transportzone.

    For example:

    Field Description
    Edge Switch Name nsxHostSwitch (must match exactly)
    Transport Zone nsx-overlay-transportzone and nsx-vlan-transportzone (select both default transport zones)
    Uplink Profile nsx-edge-single-nic-uplink-profile
    IP Assignment Use IP Pool
    IP Pool TEP-IP-POOL
    Uplinks uplink-1 / EDGE-VTEP-PG

    Note: If you use the default Transport Zones, but do not use the exact name nsxHostSwitch when configuring NSX on the Edge Node, you will receive the pks-nsx-t-osb-proxy BOSH error when you try to deploy TKGI.

Option 2: Create Custom Transport Zones and Use the NSX-T API to Get the Host Switch Names

If you want to create a custom Transport Zone, you can do so using the NSX-T user interface. In this case, because the host switch name is deprecated from the NSX-T user interface, you have to make an NSX-T API call to get the host switch name so that you can configure the Edge Nodes with the correct switch.

When you create a custom Transport Zone using the NSX-T web interface, NSX-T will generate the associated switch name for you.

To create custom Transport Zones using the Host Switch names:

  1. Create a custom Overlay Transport Zone:

    1. In the NSX-T Management Console, navigate to System > Fabric > Transport Zone.
    2. Click Add.
    3. Enter a Name, such as tz-overlay.
    4. For the Traffic Type, select Overlay.
    5. Click Add.
    6. Verify that you see the newly created Transport Zone named tz-overlay in the list.

  2. Create a custom VLAN Transport Zone:

    1. In the NSX-T Management Console, navigate to System > Fabric > Transport Zone.
    2. Click Add.
    3. Enter a name, such as tz-vlan.
    4. For the Traffic Type, select VLAN.
    5. Click Add.
    6. Verify that you see the newly created Transport Zone named tz-vlan in the list.

  3. To retrieve the host switch name:

    1. Make a call to the NSX-T API:

      curl -k -u USER:PASSWORD -X GET "https://${NSX_MANAGER}/api/v1/transport-zones"

    2. Retrieve the host switch name from the host_switch_name property in the return.

      For example, nsxHostSwitch is the host switch name in the following return:

      $ curl -k -u user:password -X GET "https://10.20.30.40/api/v1/transport-zones"
{
  "results" : [ {
    "transport_type" : "OVERLAY",
    "host_switch_name" : "nsxHostSwitch",
    "host_switch_id" : "5bfdbfc4-c2ab-4ca7-a021-bb1fc1b45ceb",
    "transport_zone_profile_ids" : [ {
      "resource_type" : "BfdHealthMonitoringProfile",
      "profile_id" : "52035bb3-ab02-4a08-9884-18631312e50a"
    } ],
    "host_switch_mode" : "STANDARD",
    "nested_nsx" : false,
    "is_default" : true,
    "resource_type" : "TransportZone",
    "id" : "1b3a2f36-bfd1-443e-a0f6-4de01abc963e",
    "display_name" : "nsx-overlay-transportzone",
    "_create_user" : "system",
    "_create_time" : 1594850884969,
    "_last_modified_user" : "system",
    "_last_modified_time" : 1594850884969,
    "_system_owned" : false,
    "_protection" : "NOT_PROTECTED",
    "_revision" : 0,
    "_schema" : "/v1/schema/TransportZone"
  }, {
    "transport_type" : "VLAN",
    "host_switch_name" : "nsxHostSwitch",
    "host_switch_id" : "5bfdbfc4-c2ab-4ca7-a021-bb1fc1b45ceb",
    "transport_zone_profile_ids" : [ {
      "resource_type" : "BfdHealthMonitoringProfile",
      "profile_id" : "52035bb3-ab02-4a08-9884-18631312e50a"
    } ],
    "host_switch_mode" : "STANDARD",
    "nested_nsx" : false,
    "is_default" : true,
    "resource_type" : "TransportZone",
    "id" : "a95c914d-748d-497c-94ab-10d4647daeba",
    "display_name" : "nsx-vlan-transportzone",
    "_create_user" : "system",
    "_create_time" : 1594850885002,
    "_last_modified_user" : "system",
    "_last_modified_time" : 1594850885002,
    "_system_owned" : false,
    "_protection" : "NOT_PROTECTED",
    "_revision" : 0,
    "_schema" : "/v1/schema/TransportZone"
  } ],
  "result_count" : 2,
  "sort_by" : "display_name",
  "sort_ascending" : true

  4. Configure NSX-T for the Edge Nodes:

    1. Deploy each Edge Node, configuring NSX-T with the custom Transport Zones and generated switch names as follows:
      • Switch 1 for Overlay TZ
        Field Description
        Edge Switch Name Enter the exact switch name for the custom Overlay Transport Zone retrieved from the API call
        Transport Zone tz-overlay, for example (use the exact name you specified for the custom Overlay Transport Zone
        Uplink Profile nsx-edge-single-nic-uplink-profile
        IP Assignment Use IP Pool
        IP Pool TEP-IP-POOL
        Uplinks uplink-1 / EDGE-VTEP-PG

    2. Select Add Switch at the top of the dialog. Configure the VLAN Transport Zone switch as follows:

      • Switch 2 for VLAN TZ

        Field Description
        Edge Switch Name Enter the exact switch name for the custom VLAN Transport Zone retrieved from the API call
        Transport Zone tz-vlan, for example (use the exact name you specified for the custom VLAN Transport Zone)
        Uplink Profile nsx-edge-single-nic-uplink-profile
        Uplinks uplink-1 / EDGE-UPLINK-PG

Option 3: Use the NSX-T API to Create Custom Transport Zones and NSX-T Switches

If you want to customize the NSX-T host switch name, you must do so using the NSX-T API. The required parameters are host_switch_name and transport_type (OVERLAY or VLAN). The optional parameters are description and display_name.

To create custom Transport Zones and NSX-T Switches:

  1. Create a custom Overlay Transport Zone and associated custom NSX-T switch:

    curl -k -u USER:PASSWORD -X POST -H 'Content-type: application/json' \
 --data-binary '{ "display_name":"tz-overlay", "host_switch_name":"switch-overlay", "description":"Overlay Transport Zone", "transport_type":"OVERLAY" }' \
 https://${NSX_MANAGER}/api/v1/transport-zones

    Where:

    • USER is the account name to use to authenticate.
    • PASSWORD is the password to use to authenticate.

  2. Retrieve the property values from the returned responses.

    For example:

    {
  "_revision": 0,
  "id": "c6626083-1a86-4370-85c0-791cf9f947e9",
  "display_name": "tz-overlay",
  "description": "Overlay Transport Zone",
  "resource_type": "TransportZone",
  "transport_type": "OVERLAY",
  "host_switch_name": "switch-overlay",
  "_last_modified_user": "admin",
  "_last_modified_time": 1414179082458,
  "_create_time": 1414179082458,
  "_create_user": "admin",
  "_schema": "/v1/schema/TransportZone"
}

  3. Create a custom VLAN Transport Zone and associated custom NSX-T switch:

    curl -k -u USER:PASSWORD -X POST -H 'Content-type: application/json' \
 --data-binary '{ "display_name":"tz-vlan", "host_switch_name":"switch-vlan", "description":"VLAN Transport Zone", "transport_type":"VLAN" }' \
 https://${NSX_MANAGER}/api/v1/transport-zones

    Where:

    • USER is the account name to use to authenticate.
    • PASSWORD is the password to use to authenticate.

  4. Retrieve the property values from the returned responses.

    For example:

    {
  "_revision": 0,
  "id": "c6626083-1a86-4370-85c0-791cf9f947e9",
  "display_name": "tz-vlan",
  "description": "VLAN Transport Zone",
  "resource_type": "TransportZone",
  "transport_type": "VLAN",
  "host_switch_name": "switch-vlan",
  "_last_modified_user": "admin",
  "_last_modified_time": 1414179082458,
  "_create_time": 1414179082458,
  "_create_user": "admin",
  "_schema": "/v1/schema/TransportZone"
}
  5. Use the retrieved values to configure NSX-T as described in the Configure NSX-T for the Edge Node step in Option 2: Create Custom Transport Zones and Use the NSX-T API to Get the Host Switch Names above.

TKGI NSX-T Edge Switch and Transport Zone Host Switch Name Requirements

In NSX-T 3.1 and later, the Transport Zone Host Switch Name has been deprecated and removed from the NSX-T configuration UI.

For TKGI, the NSX-T Edge Switch Name and the Transport Zone host switch name must be identical. When configuring NSX-T, configure the Edge Switch Name to be the same as the Transport Zone host switch name.

Note: The NSX-T 3.x Edge Node configuration displays the following message beside the Edge Switch Name field: “The switch name value need not be identical to host switch name associated with the Transport Zone.” This message does not apply to TKGI.

If there is a mismatch between the the host switch name associated with the Transport Zone and the Edge Switch Name, TKGI installation fails with the following error:

Failed to get NSX provisioning properties: No transport zone with overlay type found in transport node as switch name is not same across the TZ and ESXI TN
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