XGS2210-52HP VLAN Trunk Port Configuration

Chip · October 2018

Hi Guys,
I'm new to the world of VLAN's. Please bear with me. We have 3 XGS2210-52HP switches uplinked from fiber SPF ports. VLAN's have been configured. From VLAN Port Setup, I select VLAN Trunking for PVID created and SFP port. When I Apply, the switch looses connectivity with network. Only option is to power cycle switch to reconnect. Please educate me on what I'm doing wrong and proper way to trunk the 3 switches.
Thank you!
Chip

Plats · October 2018

Hi Chip

So i have more or less the same setup as you.

I have primary star topology, but one of the branches are connected whit 1 additional switch (I'm using trunking aswell)

So what i have done is to use PVID 1 on the trunk port. As 1 is the default (same as untagged)

In "Static VLAN Setup" you tag the vlan 40 to the trunk port.

If you need more help or screenshot let me know.

Side note: If you dont have many vlan there is no need to use trunk, as it makes debug of misconfiguration more difficult.

Regards

Rasmus

Chip · October 2018

I have a better understanding how VLAN Trunking works between intermediary switches that do not have VLAN Groups configured. VLAN Trunking is not what I need to accomplish. Question is: Do I need to configure SPF uplink ports as a Trunk Port? I thought a trunk port was required between switches for VLAN traffic?
Thanks!
Chip

Zyxel_JonasTan · October 2018

Hi @Chip,

Welcome to Zyxel Community!

Based on the description, please verify if VLAN trunking is enabled on the ports in each intermediary switches. You may refer to this link for the user guide page 108.

Example:

XGS2210-52HP (A) ------- [VLAN trunk] XGS2210-52HP (B) [VLAN trunk] ------- XGS2210-52HP (C)

If the event still exists, please feel free to let me know and I'll PM you to retrieve more detail information.

Note: Zyxel Switch SFP ports (uplink) could also configure as the trunking port.

Hope it helps.

Chip · October 2018

Good morning Jonas,
Thanks for quick response. "Zyxel Switch SFP ports (uplink) could also configure as the trunking port." is where I'm running into problems. When I have all 3 switches configured for VLAN 40, on ports 45-48. I set SPF port 52 as VLAN Trunking port, I loose connectivity. I must be doing something incorrect.

Image: https://us.v-cdn.net/6029482/uploads/editor/6f/ti1a5a0exfvt.png

Plats · October 2018

Hi Chip

So i have more or less the same setup as you.

I have primary star topology, but one of the branches are connected whit 1 additional switch (I'm using trunking aswell)

So what i have done is to use PVID 1 on the trunk port. As 1 is the default (same as untagged)

In "Static VLAN Setup" you tag the vlan 40 to the trunk port.

If you need more help or screenshot let me know.

Side note: If you dont have many vlan there is no need to use trunk, as it makes debug of misconfiguration more difficult.

Regards

Rasmus

Chip · October 2018

Rasmus..... You make it sound so simple. Thanks SO much for taking the time. I knew I was doing something stupid. I'm assuming when I used PVID 40 on port 52, it only allowed devices with VLAN ID 40 to communicate. I'll give this a try Saturday and will followup. Much appreciated Rasmus!
Chip

Chip · October 2018

Thanks for your help Rasmus. I was over complicating things. Information you shared pointed me in right direction. Thank you sir!
Chip

XGS2210-52HP VLAN Trunk Port Configuration

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