Rottweiler as a guardian

Pongo is a sweet boy, but in his yard he is territorial and always alert. He must inform us if there is cat, bug, dog, human, car...etc.
On other Pongo's videos you can see that he is not agressive, he is well socialized, playful and good mannered dog:
• Rottweiler - Don't Sto...
• Rottweiler - Born to b...
• Finally...Winter is co...
• Rottweiler swimming
and more on my channel. :)