@java.lang.Override
    public int getPeerMtu() {
      return peerMtu_;
    }
<pre>
Optional. Maximum transmission unit (MTU) in bytes.
The default value is `1500`. If a value of `0` is provided for this field,
VMware Engine uses the default value instead.
</pre>

<code>int32 peer_mtu = 14 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The peerMtu.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/NetworkPeering.java