Configuring Hairpin Forwarding

Enabling Hairpin Forwarding on a Switchport

Enabling Hairpin Forwarding on a Switchport

POST http://<mgmt0_IP>/api/mo/sys/intf.json


 {
    "interfaceEntity": {
      "children": [
        {
          "pcAggrIf": {
            "attributes": {
                "id": "po1234",
                "layer": "Layer2",
                "userCfgdFlags": "admin_layer"
            },
              "children": [
                {
                  "pcAggrIfExtended": {
                    "attributes": {
                      "switchportVirtualEthernetBridge": "enable"
}}}]}}]}}

{
    imdata:[]
}

<System>
  <intf-items>
    <aggr-items>
      <AggrIf-list>
        <id>po1234</id>
        <layer>Layer2</layer>
        <userCfgdFlags>admin_layer</userCfgdFlags>
        <aggrExtd-items>
          <switchportVirtualEthernetBridge>enable</switchportVirtualEthernetBridge>
        </aggrExtd-items>
      </AggrIf-list>
    </aggr-items>
  </intf-items>
</System>

Configures hairpin forwarding on a switchport. This is only compatible with the following switches:

N9K-C9364C
N9K-C92160YC-X
N9K-C9348GC-FXP
N9K-C93108TC-FX
N9K-C93180YC-FX
N9K-C92304QC
N9K-C9272Q
N9K-C9232C
N9K-C9236C
N9K-C92300YC
N9K-C93108TC-EX
N9K-C93180LC-EX
N9K-C93180YC-EX

Note: This example was added in Release 7.0(3)I7(1).

CLI Commands

The CLI commands and options listed below are the equivalent to the payload examples displayed in the pane on the right. Click the DME tab in the top-left corner of the right pane to view the JSON payload or the YANG tab to view the XML payload.

interface port-channel 1234
switchport
switchport virtual-ethernet-bridge

For other CLI options, see the Cisco Nexus 9000 Series NX-OS Command Reference: http://www.cisco.com/c/en/us/support/switches/nexus-9000-series-switches/products-command-reference-list.html

See the NX-API DME Model Reference for detailed information about classes and attributes described in the payload: https://developer.cisco.com/site/nx-os/docs/nexus-model-reference/

For information about using the payloads, see the Cisco Nexus 9000 Series NX-OS Programmability Guide https://www.cisco.com/c/en/us/support/switches/nexus-9000-series-switches/products-programming-reference-guides-list.html

Enabling Hairpin Forwarding for an Ethernet Interface

Enabling Hairpin Forwarding for an Ethernet Interface

POST http://<mgmt0_IP>/api/mo/sys/intf.json

{
  "interfaceEntity": {
    "children": [
      {
        "l1PhysIf": {
          "attributes": {
            "id": "eth1/3"
          },
          "children": [
            {
              "l1PhysIfExtended": {
                "attributes": {
                  "switchportVirtualEthernetBridge": "enable"
}}}]}}]}}

{
    imdata:[]
}

<System>
  <intf-items>
    <phys-items>
      <PhysIf-list>
        <id>eth1/3</id>
        <physExtd-items>
          <switchportVirtualEthernetBridge>enable</switchportVirtualEthernetBridge>
        </physExtd-items>
      </PhysIf-list>
    </phys-items>
  </intf-items>
</System>

Note: This example was added in Release 7.0(3)I7(2).

CLI Commands

The CLI commands are equivalent to the payload examples displayed in the pane on the right. Click the DME tab in the top-left corner of the right pane to view the JSON payload. Click the YANG tab to view the XML payload.

interface ethernet 1/3
switchport virtual-ethernet-bridge

For other CLI options, see the Cisco Nexus 9000 Series NX-OS Command Reference: http://www.cisco.com/c/en/us/support/switches/nexus-9000-series-switches/products-command-reference-list.html

See the NX-API DME Model Reference for detailed information about classes and attributes described in the payload: https://developer.cisco.com/site/nx-os/docs/nexus-model-reference/

Disabling Hairpin Forwarding for an Ethernet Interface

Disabling Hairpin Forwarding for an Ethernet Interface

POST http://<mgmt0_IP>/api/mo/sys/intf.json

{
  "interfaceEntity": {
    "children": [
      {
        "l1PhysIf": {
          "attributes": {
            "id": "eth1/3"
          },
          "children": [
            {
              "l1PhysIfExtended": {
                "attributes": {
                  "switchportVirtualEthernetBridge": "disable"
}}}]}}]}}

{
    imdata:[]
}

<System>
  <intf-items>
    <phys-items>
      <PhysIf-list>
        <id>eth1/3</id>
        <physExtd-items>
          <switchportVirtualEthernetBridge>disable</switchportVirtualEthernetBridge>
        </physExtd-items>
      </PhysIf-list>
    </phys-items>
  </intf-items>
</System>

Note: This example was added in Release 7.0(3)I7(2).

CLI Commands

interface ethernet 1/3
no switchport virtual-ethernet-bridge

For other CLI options, see the Cisco Nexus 9000 Series NX-OS Command Reference: http://www.cisco.com/c/en/us/support/switches/nexus-9000-series-switches/products-command-reference-list.html

See the NX-API DME Model Reference for detailed information about classes and attributes described in the payload: https://developer.cisco.com/site/nx-os/docs/nexus-model-reference/

Enabling Hairpin Forwarding on a Port Channel

Enabling Hairpin Forwarding on a Port Channel

POST http://<mgmt0_IP>/api/mo/sys/intf.json

{
  "interfaceEntity": {
    "children": [
      {
        "pcAggrIf": {
          "attributes": {
            "id": "po123"
          },
          "children": [
            {
              "pcAggrIfExtended": {
                "attributes": {
                  "switchportVirtualEthernetBridge": "enable"
}}}]}}]}}

{
    imdata:[]
}

<System>
  <intf-items>
    <aggr-items>
      <AggrIf-list>
        <id>po123</id>
        <aggrExtd-items>
          <switchportVirtualEthernetBridge>enable</switchportVirtualEthernetBridge>
        </aggrExtd-items>
      </AggrIf-list>
    </aggr-items>
  </intf-items>
</System>

Note: This example was added in Release 7.0(3)I7(2).

CLI Commands

interface ethernet 1/2
interface port-channel 123
switchport virtual-ethernet-bridge

For other CLI options, see the Cisco Nexus 9000 Series NX-OS Command Reference: http://www.cisco.com/c/en/us/support/switches/nexus-9000-series-switches/products-command-reference-list.html

See the NX-API DME Model Reference for detailed information about classes and attributes described in the payload: https://developer.cisco.com/site/nx-os/docs/nexus-model-reference/

Disabling Hair-Pin Forwarding on a Port Channel

Disabling Hairpin Forwarding on a Port Channel>

POST http://<mgmt0_IP>/api/mo/sys/intf.json

{
  "interfaceEntity": {
    "children": [
      {
        "pcAggrIf": {
          "attributes": {
            "id": "po123"
          },
          "children": [
            {
              "pcAggrIfExtended": {
                "attributes": {
                  "switchportVirtualEthernetBridge": "disable"
}}}]}}]}}

{
    imdata:[]
}

<System>
  <intf-items>
    <aggr-items>
      <AggrIf-list>
        <id>po123</id>
        <aggrExtd-items>
          <switchportVirtualEthernetBridge>disable</switchportVirtualEthernetBridge>
        </aggrExtd-items>
      </AggrIf-list>
    </aggr-items>
  </intf-items>
</System>

Note: This example was added in Release 7.0(3)I7(2).

CLI Commands

interface ethernet 1/2
interface port-channel 123
no switchport virtual-ethernet-bridge

For other CLI options, see the Cisco Nexus 9000 Series NX-OS Command Reference: http://www.cisco.com/c/en/us/support/switches/nexus-9000-series-switches/products-command-reference-list.html

See the NX-API DME Model Reference for detailed information about classes and attributes described in the payload: https://developer.cisco.com/site/nx-os/docs/nexus-model-reference/