NAME
    gcloud compute routers add-interface - add an interface to a Compute Engine
        router

SYNOPSIS
    gcloud compute routers add-interface NAME --interface-name=INTERFACE_NAME
        (--interconnect-attachment=INTERCONNECT_ATTACHMENT
          --interconnect-attachment-region=INTERCONNECT_ATTACHMENT_REGION
          | --subnetwork=SUBNETWORK --subnetwork-region=SUBNETWORK_REGION
          | --vpn-tunnel=VPN_TUNNEL --vpn-tunnel-region=VPN_TUNNEL_REGION)
        [--ip-address=IP_ADDRESS] [--ip-version=IP_VERSION]
        [--mask-length=MASK_LENGTH] [--redundant-interface=REDUNDANT_INTERFACE]
        [--region=REGION] [GCLOUD_WIDE_FLAG ...]

DESCRIPTION
    gcloud compute routers add-interface is used to add an interface to a
    Compute Engine router.

POSITIONAL ARGUMENTS
     NAME
        Name of the router to update.

REQUIRED FLAGS
     --interface-name=INTERFACE_NAME
        The name of the interface being added.

     Exactly one of these must be specified:

       Interconnect Attachment

         --interconnect-attachment=INTERCONNECT_ATTACHMENT
            The interconnect attachment of the interface being added.

         --interconnect-attachment-region=INTERCONNECT_ATTACHMENT_REGION
            Region of the interconnectAttachment to operate on. If not
            specified it will be set to the region of the router. Overrides the
            default compute/region property value for this command invocation.

       Subnetwork

         --subnetwork=SUBNETWORK
            The subnetwork of the interface being added.

         --subnetwork-region=SUBNETWORK_REGION
            Region of the subnetwork to operate on. If not specified it will be
            set to the region of the router. Overrides the default
            compute/region property value for this command invocation.

       VPN Tunnel

         --vpn-tunnel=VPN_TUNNEL
            The tunnel of the interface being added.

         --vpn-tunnel-region=VPN_TUNNEL_REGION
            Region of the vpn tunnel to operate on. If not specified it will be
            set to the region of the router. Overrides the default
            compute/region property value for this command invocation.

OPTIONAL FLAGS
     --ip-address=IP_ADDRESS
        The link local (IPv4) or ULA (IPv6) address of the router for this
        interface.

     --ip-version=IP_VERSION
        IP version of the interface. Possible values are IPV4 and IPV6.
        Defaults to IPV4. IP_VERSION must be one of:

         IPV4
            Interface with IPv4-based BGP.
         IPV6
            Interface with IPv6-based BGP.

     --mask-length=MASK_LENGTH
        The subnet mask for the IP range of the interface. The interface IP
        address and BGP peer IP address must be selected from the subnet
        defined by this range.

     --redundant-interface=REDUNDANT_INTERFACE
        The interface that is redundant to the current interface.

     --region=REGION
        Region of the router to update. If not specified, you might be prompted
        to select a region (interactive mode only).

        To avoid prompting when this flag is omitted, you can set the
        compute/region property:

            $ gcloud config set compute/region REGION

        A list of regions can be fetched by running:

            $ gcloud compute regions list

        To unset the property, run:

            $ gcloud config unset compute/region

        Alternatively, the region can be stored in the environment variable
        CLOUDSDK_COMPUTE_REGION.

GCLOUD WIDE FLAGS
    These flags are available to all commands: --access-token-file, --account,
    --billing-project, --configuration, --flags-file, --flatten, --format,
    --help, --impersonate-service-account, --log-http, --project, --quiet,
    --trace-token, --user-output-enabled, --verbosity.

    Run $ gcloud help for details.

NOTES
    These variants are also available:

        $ gcloud alpha compute routers add-interface

        $ gcloud beta compute routers add-interface