> Source: https://docs.nometa.az/v4.8.0/device-panels/ndo

# Nexus Dashboard Orchestrator

SAMURAI Networks reads Nexus Dashboard Orchestrator for the cross-site view: schemas, templates, stretched tenants, and the EPGs, BDs, VRFs and contracts that span data centers.

> Open a device from the **Devices** page or the sidebar to reach these tabs.

## Tenants

ACI tenants, the top-level policy and isolation boundary.

![Tenants](https://docs.nometa.az/img/05-device-panels/ndo/ndo-01-tenants.webp)

## Schemas

NDO schemas and templates that define stretched policy.

![Schemas](https://docs.nometa.az/img/05-device-panels/ndo/ndo-02-schemas.webp)

## Datacenters

Sites / datacenters managed by the orchestrator.

![Datacenters](https://docs.nometa.az/img/05-device-panels/ndo/ndo-03-datacenters.webp)

## EPGs

Endpoint groups, the policy unit endpoints belong to.

![EPGs](https://docs.nometa.az/img/05-device-panels/ndo/ndo-04-epgs.webp)

## BDs

Bridge domains and their subnets.

![BDs](https://docs.nometa.az/img/05-device-panels/ndo/ndo-05-bds.webp)

## VRFs

VRFs (private networks) and their associations.

![VRFs](https://docs.nometa.az/img/05-device-panels/ndo/ndo-06-vrfs.webp)

## App Profiles

Application profiles grouping related EPGs.

![App Profiles](https://docs.nometa.az/img/05-device-panels/ndo/ndo-07-app-profiles.webp)

## Contracts

Contracts and their consumer/provider EPGs, the ACI access policy.

![Contracts](https://docs.nometa.az/img/05-device-panels/ndo/ndo-08-contracts.webp)

## Filters

Filters and entries (protocol/port) referenced by contracts.

![Filters](https://docs.nometa.az/img/05-device-panels/ndo/ndo-09-filters.webp)

## Changes

Configuration changes for this device, grouped by sync on a timeline. Added, removed and reordered rules render as structured cards (source and destination zones, addresses, applications and services laid out like the rule itself), each attributed to the responsible admin and access method where audit data is available. **Compare** diffs any two snapshots, and **Analyze with AI** explains a change in place when an AI provider is configured.

![Changes](https://docs.nometa.az/img/05-device-panels/ndo/ndo-11-changes.webp)