HexS RB760 iGS vlans and dhcp

For router (the IP layer of it) to be able to interact with tagged VLANs, you have to add bridge interface[*] as tagged member of those VLANs.

E.g.:

/interface bridge vlan
add bridge=bridge untagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=96 > # change is not strictly necessary, ports with PVID set get automatically added as untagged member ports
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=97
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=98
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=99
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=100
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=101
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=102
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=103
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=104
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=105
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=106
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=107
add bridge=bridge tagged=> bridge,> ether1,ether2,ether3,ether4,ether5 vlan-ids=108

Other than that, you don’t want to have DHCP client set on all those VLAN interfaces as you want to run DHCP server on those interfaces if I understand your requirements correctly.

[*]More on different bridge personalities, does help to understand things better.