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Forum Discussion
CrimpOn
Mar 27, 2025Guru - Experienced User
VLAN Puzzle
I would appreciate assistance diagnosing a VLAN problem. Now that many homes have Ethernet cables installed from most rooms to a central patch panel, some users find that the patch panel is not a gre...
schumaku
Apr 24, 2025Guru - Experienced User
Why on earth yet another new thread? Please merge accordingly!
CrimpOn wrote:
So, all we need to do is tell this pair of Smart switches:
- If a frame comes in from the router/switch LAN port with no VLAN tag, temporarily assign a tag to it (maybe "3") so that it can find it's way to the tagged port leading to the other switch. When it gets to the other switch, find the correct port and output the frame with no tag.
- If a frame comes in with VLAN tag 4093, send it to the tagged port to the other switch. When it gets to the other switch, send it to the right port and send it out, keeping the VLAN tag on it.
I can find NO 802.1Q VLAN setting to make this happen.
This quoted section only? This is exactly my proposal from before! So I try again...
Simple:
As per your example, define the port where the untagged frames are coming in (the Orbi router facing one, same for the switch2switch connection trunk link) to work on VLAN 3: Make it [U]ntagged and VLAN 3, PVID 3. (the switch will assign these frames into the VLAN 3). Add additional [T]agged ports needed - so this port becomes a trunk, plain Ethernet for VLAN 3, plus all the other VLANs
On the Orbi satellite end same story:
Make it [U]ntagged and VLAN 3, PVID 3. (the switch will assign these frames into the VLAN 3). Add additional [T]agged ports needed - so this port becomes a trunk, plain Ethernet for VLAN 3, plus all the other VLANs
Voila, here is your trunk connection.
When it comes to IEEE1905, only IEEE1905 compliant devices can communicate. IEEE 1905 can establish dedicated control channels and actions, reconfiguring things. This might include the ability to "generate" not only plain Ethernet connections, but also tagged connections.
FURRYe38
Apr 24, 2025Guru - Experienced User
"Simple:
As per your example, define the port where the untagged frames are coming in (the Orbi router facing one, same for the switch2switch connection trunk link) to work on VLAN 3: Make it [U]ntagged and VLAN 3, PVID 3. (the switch will assign these frames into the VLAN 3). Add additional [T]agged ports needed - so this port becomes a trunk, plain Ethernet for VLAN 3, plus all the other VLANs
On the Orbi satellite end same story:
Make it [U]ntagged and VLAN 3, PVID 3. (the switch will assign these frames into the VLAN 3). Add additional [T]agged ports needed - so this port becomes a trunk, plain Ethernet for VLAN 3, plus all the other VLANs"
So with this configuration, I presume this can be all configured on 1 switch in between the RBR and RBS and avoid the use of two switches and the extra LAN cable?
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