Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

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Cisco APIC Layer 3 Networking Configuration Guide, Release 6.2(x)

Configure Dataplane IP Address Learning per Endpoint Using the GUI

Updated: April 17, 2026

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Enables or disables dataplane IP address learning for an endpoint of the chosen endpoint group. This configuration is available only when the EPG subnet IP address has a mask of /32 for an IPv4 address or /128 for an IPv6 address.

Dataplane IP address learning is enabled by default.

Procedure

1.

On the menu bar, choose Tenants > All Tenants .

2.

In the Work pane, double-click the tenant's name.
3.

If you are modifying an existing subnet, perform the following substeps:

  1. In the Navigation pane, choose Tenant tenant_name > Application Profiles > app_profile_name > Application EPGs > app_epg_name > Subnets > subnet_address .

    The chosen subnet must meet the following requirements:

    • The Default Gateway IP field must have a mask of /32 for an IPv4 address or /128 for an IPv6 address.

    • There must be a check in the No Default SVI Gateway checkbox.

    • The Type Behind Subnet must be None or Anycast MAC .

  2. In the Work pane, for the IP Data-plane Learning toggle, choose Enable or Disable , as desired.

4.

If you are creating a new subnet, perform the following substeps:

  1. In the Navigation pane, choose Tenant tenant_name > Application Profiles > app_profile_name > Application EPGs > app_epg_name > Subnets .

  2. Right click Subnets and choose Create EPG Subnet .

  3. For the Default Gateway IP field, you must specify a mask of /32 for an IPv4 address or /128 for an IPv6 address.

  4. Put a check in the No Default SVI Gateway checkbox.

  5. For the Type Behind Subnet buttons, choose None or Anycast MAC .

  6. For the IP Data-plane Learning toggle, choose Enable or Disable , as desired.

  7. Fill out the remaining fields as necessary.
5.

Click Submit .