---
title: "PUT /config/borderRouter"
method: PUT
path: "/config/borderRouter"
---

# PUT /config/borderRouter

`PUT /config/borderRouter`

Configure Border Router specific settings. This method may only be issued to a Border Router.

## Request body

- BorderRouterConfig — Several Border Router "administrative" settings.
  - `panId` integer, required — Set as specified in [FANTPS] PAN Advertisement frame description.
  - `panSize` integer, required — Set as specified in [FANTPS] PAN-IE description.
  - `useParentBcastSched` boolean, required — Set as specified in TPS PAN-IE description.
  - `routingMethod` integer, required — Set as specified in [FANTPS] PAN-IE description.
  - `networkName` string, required — Set as specified in [FANTPS] NETNAME-IE description.
  - `sixLowpanMtu` integer — The 6LoWPAN MTU to be used by this router.
  - `lfnJoinEnabled` boolean — True if LFN joins to the PAN and to this border router are allowed, False otherwise.
  - `mplSeedLength` integer — The MPL seed-id length (S-field). An unsigned two-bit integer equal to either 0 or 3, where 0 indicates the seed-id is elided and is the IPv6 source address, and 3 indicates the seed-id is the 128-bit ULA/GUA of the source. [RFC7731, FANTPS-1.1v06-d7]

## Response `200`

Border Router successfully configured.

## Other responses

- `400` — Device is not a Border Router.
- `501` — Optional feature is not supported.
- `default` — Unknown error occurred.

---

[API](https://skmtc.net/siliconlabs/apis/tbu-api.md) · [All operations](https://skmtc.net/siliconlabs/apis/tbu-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/siliconlabs/tbu-api/versions/8475de394ee2/schema)