# VXLAN Encapsulation
Encapsulates ethernet frames in [UDP](../ipv4/udp/README.md) datagrams.
## Index
### Classes
- [Vxlan](Vxlan.md)
### Functions
- [session](#session)
### Constants
| DEFAULT_PORT | `(u16)0x12b5` |
## session
```resynth
resynth fn session (
cl: Sock4,
sv: Sock4,
sessionid: u32 = 0x00000000,
raw: bool = false,
) -> Obj;
```
Create a VXLAN session