# Label Swapping

## Forwarding

![](https://3569593095-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlzYYx9HGcPr04JhNJmIC%2Fuploads%2FloByMS2Q4hNhsQ1GJu2q%2Fa.png?alt=media\&token=e213ec23-2fa7-49af-8a7f-dd56d2bda9ec)

Etiquetas são **curtas**, e de tamanho **fixo**

## *Popping*

![](https://3569593095-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlzYYx9HGcPr04JhNJmIC%2Fuploads%2FRepbriXThsOEpNFvSOum%2Fa.png?alt=media\&token=d84315d2-83a0-4220-a113-ef67cd0642f1)

## *Pushing*

![](https://3569593095-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlzYYx9HGcPr04JhNJmIC%2Fuploads%2FVDpH19v8Egc1fo4XiGt7%2Fa.png?alt=media\&token=c9c16836-3f4a-411f-b029-f6d1828d8d16)

## *Label Switched Path* (LSP)

![](https://3569593095-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlzYYx9HGcPr04JhNJmIC%2Fuploads%2FzRj6C6iBUpfaTtiNJ2vA%2Fa.png?alt=media\&token=413bd25d-6086-474f-9f42-87094c30ba38)

Frequentemente chamdo de **túnel de MPLS**, os cabeçalhos na *payload* não são inspecionados dentro de uma LSP, a *payload* pode ser MPLS

## *Label Switched Router*

![](https://3569593095-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FlzYYx9HGcPr04JhNJmIC%2Fuploads%2FthXyW2wQeUoMMr4wFqgP%2Fa.png?alt=media\&token=9f6a18c2-d245-4ae3-bdab-1e84b39f537f)
