We have 2 SG300-10p switches (switch 1 layer2 -> VLAN1 10.1.30.2) & (switch 2 layer3-> VLAN 5 -10.1.80.12 & VLAN1 - 10.1.30.5), where switch 1 is connected to another switch with VLAN1 - 10.1.30.6 & switch 2 is connected to switch 1 via trunk port. s...