> For the complete documentation index, see [llms.txt](https://docs.glesys.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.glesys.com/products/connectivity/network-services/ethernet-transport/service-description.md).

# Service description

Version 2024.01.01

***

The Ethernet Transport Service (ETS) is a point-to-point Ethernet service that allows customers to transport Ethernet frames between two locations.

### Technical specification

<table data-header-hidden><thead><tr><th width="374"></th><th></th></tr></thead><tbody><tr><td><strong>Hand-off interface</strong></td><td>1–100 Gbps Ethernet or bundles of 10G or 100G interfaces.</td></tr><tr><td><strong>Bundle-protocol</strong></td><td>Link Aggregation Control Protocol (LACP)</td></tr><tr><td><strong>Bandwidth limit</strong></td><td>No</td></tr><tr><td><strong>Maximum Transmission Unit (MTU)</strong></td><td>9,000 bytes</td></tr><tr><td><strong>Diversity options</strong></td><td>No</td></tr><tr><td><strong>Protocol support</strong></td><td>Glesys drops all Layer 2 protocol data units (PDUs).</td></tr></tbody></table>

#### Hand-off interface

| **1000BASE-LX**  | SFP, 1Gbps, 1310nm, SM, 10km                     |
| ---------------- | ------------------------------------------------ |
| **10GBASE-LR**   | SFP+, 10Gbps, 1310nm, SM, 10km                   |
| **100GBASE-LR4** | QSFP28, 100Gbps, 1310nm, SM, 10km                |
| **CWDM**         | SFP+, 1/10G, CWDM, 80km (Glesys provides optics) |