I think that normaly the port where the router is connected to has to be tagged?
could you provide more info of you set-up? it seems that you don't have the same setup as in you posted link.

Benny,

I found out the solution......
1- had to flash firmware to newest one
2- discovered my configuration was incorrect

I had:
VLAN 1 (default) 1-8

Ports 1,3 5 had PC's attached and Port 8 connected to Router

my INCORRECT configuration was:
VLAN 101 = ports 1,2,3
VLAN 102 = ports 5

Worked fine until I added the PVID then lost internet

CORRECT configuration should have been:

VLAN 101 = Ports 1,2,3, and 8 (uplink to router)

VLAN 102= Ports 5 and 8

SAVE

PVID = same ports as VLANS SAVE

Now it works great.

My mistake was not adding in the uplink port

Now I can ping within VLAN, and ping to web
cannot ping across VLANS (should be this way)

My next step is adding a printer for both VLAN to print to port 7

Then my VLANS must be redone to add port 7 to each and I will have access to the printer from either Vlan, but still blocking access across.... Providing this logic is correct it should work

First, Thanks to the folks who took part in my learning process ( I am very new to this whole thing)
I now have two VLANS sharing a printer.
I do not know if it is the "correct" way, but it works. So if anyone can point out how to configure in a more proper way, please share so I can learn more.

Here is the finally configuration on my TP-Link TL-SG108E v2.0

Ports used are:
1 = pc
2= pc
3=pc
4=pc
5=pc
6 = blank
7= network printer
8= wan / router



802.1Q VLAN configured as such:

VLAN 101 = ports 1-3, 7,8 PVID 101 = 1-3

VLAN 102 = ports 4-8 PVID 102 = 4-6

In Both PVID's I did not include the printer ( Port 7)

Click SAVE to save configuration

Now,
I can ping all devices within VLAN 101 and have internet access; access and use the printer on port 7; cannot ping devices in VLAN 102

I can ping all devices within VLAN 102 and have internet access; access and use the printer on port 7; cannot ping devices in VLAN 101


The problem I had with the printer stemmed from me including port 7 in the PVID.

I hope my journey will help another NOOB such as myself. And, please, if I can configure a more proper way, please comment.