![Juliusz Sosinowicz](/assets/img/avatar_default.png)
- The `ssl->dtlsMtuSz` value is the maximum possible size of the DTLS record layer. We read `ssl->dtlsMtuSz + 100` in case peer has slightly different MTU set. - The `-u` option in the examples takes the value of the MTU size. - MTU tests are added in `tests/test-dtls-mtu.conf`