A similar behaviour like that towards a preceptor should be adopted towards the preceptor's woke and the same should be done to his son. Doing this is said to be the second step.
समा गुरौ यथा वृत्तिर्णरुपल्यां तथाऽऽचरेत्। तत्पुत्रे च तथा कुर्वन् द्वितीयः पाद उच्यते॥