Need hel with VLAN configuration on TL-SG108E
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This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.Need hel with VLAN configuration on TL-SG108E
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Registered: 2014-02-12
2017-06-10 04:29:35
Posts: 19
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Registered: 2014-02-12
Need hel with VLAN configuration on TL-SG108E
2017-06-10 04:29:35
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Model : TL-SG108E
Hardware Version :
Firmware Version :
ISP :
I am trying to get to grips with configuring VLANs on my new TL-SG108E.
I can't at the moment see any use for 8021Q mode, however I'm sure it must do *something* vaguely useful.
If I configure a VLAN, lets use ID 2 and assign some ports to it that shows up fine in the table, so far so good. However since every port is a member of VLAN ID 1 and that can't be changed what difference does the bit I have
added make? A packet arriving on the port I have assigned to VLAN ID 2 will get sent to the other ports I have assigned to it, but it will also get sent to those same ports (and every other port) because they are all on VLAN ID 1.
In fact, at the moment, I can't see how this differs from an unmanaged switch, any untagged packet arriving on any port will get sent to all the other ports regardless of how I configure things. Am I misunderstanding something?
Maybe the PVID is significnat. If I set things up as follows:-
VLAN ID 2 - Ports 2 and 3 are in VLAN ID 2
Set the PVID for port 2 to VLAN ID 2, set 'untagged'.
If a packet arrives at port 2 where does it go?
Hardware Version :
Firmware Version :
ISP :
I am trying to get to grips with configuring VLANs on my new TL-SG108E.
I can't at the moment see any use for 8021Q mode, however I'm sure it must do *something* vaguely useful.
If I configure a VLAN, lets use ID 2 and assign some ports to it that shows up fine in the table, so far so good. However since every port is a member of VLAN ID 1 and that can't be changed what difference does the bit I have
added make? A packet arriving on the port I have assigned to VLAN ID 2 will get sent to the other ports I have assigned to it, but it will also get sent to those same ports (and every other port) because they are all on VLAN ID 1.
In fact, at the moment, I can't see how this differs from an unmanaged switch, any untagged packet arriving on any port will get sent to all the other ports regardless of how I configure things. Am I misunderstanding something?
Maybe the PVID is significnat. If I set things up as follows:-
VLAN ID 2 - Ports 2 and 3 are in VLAN ID 2
Set the PVID for port 2 to VLAN ID 2, set 'untagged'.
If a packet arrives at port 2 where does it go?
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Re:Need hel with VLAN configuration on TL-SG108E
2017-07-10 18:29:08
Bummer, sounds like I should have used a
Netgear
GS108PE for this application -- I was just looking for a smart switch with a couple PoE ports to power a downstream switch.
I alos noticed the switch becoming unreachable for management under circumstances I couldn't figure out.
This seems more like a lame assumption in the UI -- it makes total sense for factory reset to set all ports to VLAN 1, but this is the only switch I'v ever seen that won't let you move ports to other VLANs.
I agree that, it there's going to be a dedicated management VLAN (if that's what they're trying to do), it should be configurable or at least, as you suggest, be pretty much anything but 1.
I alos noticed the switch becoming unreachable for management under circumstances I couldn't figure out.
This seems more like a lame assumption in the UI -- it makes total sense for factory reset to set all ports to VLAN 1, but this is the only switch I'v ever seen that won't let you move ports to other VLANs.
I agree that, it there's going to be a dedicated management VLAN (if that's what they're trying to do), it should be configurable or at least, as you suggest, be pretty much anything but 1.
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Re:Need hel with VLAN configuration on TL-SG108E
2017-07-10 22:20:28
sgs wrote
This seems more like a lame assumption in the UI -- it makes total sense for factory reset to set all ports to VLAN 1, but this is the only switch I'v ever seen that won't let you move ports to other VLANs.
Yes. Given the fact that the web UI is written in Javascript, changes are that it might be possible to remove a port from VLAN 1 or to even use it on a trunk port with the right command on the cmdline. So I tried to establish a serial connection to the SoC chip directly, but with no success so far. OTOH, if a customer does a factory reset, such changes could be reverted again, so it is not really an option. Interestingly, on a TL-SG2008 it is possible to remove ports from VLAN 1.
I tried to convince TP-Link twice to change this in the TL-SG108E's firmware, but still have no response to the second ticket I did open regarding default VLAN 1.
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2017-06-10 04:29:35
Posts: 19
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Registered: 2014-02-12
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