open-consul/website/source/api/operator/segment.html.md

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---
layout: api
page_title: Network Segments - Operator - HTTP API
sidebar_current: api-operator-segment
description: |-
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The /operator/segment endpoint exposes the network segment information via
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Consul's HTTP API.
---
# Network Areas - Operator HTTP API
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The `/operator/segment` endpoint provides tools to manage network segments via
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Consul's HTTP API.
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~> **Enterprise-only!** This API endpoint and functionality only exists in
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Consul Enterprise. This is not present in the open source version of Consul.
The network area functionality described here is available only in
[Consul Enterprise](https://www.hashicorp.com/products/consul/) version 0.9.3 and
later. Network segments are operator-defined sections of agents on the LAN, typically
isolated from other segments by network configuration.
Please see the [Network Segments Guide](/docs/guides/segments.html) for more details.
## List Network Segments
This endpoint lists all network areas.
| Method | Path | Produces |
| ------ | ---------------------------- | -------------------------- |
| `GET` | `/operator/segment` | `application/json` |
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The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries),
[consistency modes](/api/index.html#consistency-modes),
[agent caching](/api/index.html#agent-caching), and
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[required ACLs](/api/index.html#acls).
| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | --------------- |
| `NO` | `none` | `none` | `operator:read` |
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### Parameters
- `dc` `(string: "")` - Specifies the datacenter to query. This will default to
the datacenter of the agent being queried. This is specified as a URL query
parameter.
### Sample Request
```text
$ curl \
http://127.0.0.1:8500/v1/operator/segment
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```
### Sample Response
```json
["","alpha","beta"]
```