802.1Q VLAN Tagged Vs Untagged Unicorn Meta Zoo #1: Why another podcast? Announcing the arrival of Valued Associate #679: Cesar Manara Come Celebrate our 10 Year Anniversary!Same native and tagged vlan possible on Redhat?What happens when an untagged frame is sent to a multiple untagged VLANs port?What happens when a consumer switch receives a VLAN-tagged Ethernet frame?TAGGED and UNTAGGED VLANSSetting up untagged VLAN on GE-24F4GBWOpenWrt Configuring Tagged and Untagged VLAN on the Same PortVMWare vSwitch VLAN IDs and tagged/untagged portsWhat do switches do to tagged and untagged VLAN packets?Is there any way to configure a vlan interface on linux to only receive the untagged frames?Tagged and Untagged Cisco vLAN port

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802.1Q VLAN Tagged Vs Untagged



Unicorn Meta Zoo #1: Why another podcast?
Announcing the arrival of Valued Associate #679: Cesar Manara
Come Celebrate our 10 Year Anniversary!Same native and tagged vlan possible on Redhat?What happens when an untagged frame is sent to a multiple untagged VLANs port?What happens when a consumer switch receives a VLAN-tagged Ethernet frame?TAGGED and UNTAGGED VLANSSetting up untagged VLAN on GE-24F4GBWOpenWrt Configuring Tagged and Untagged VLAN on the Same PortVMWare vSwitch VLAN IDs and tagged/untagged portsWhat do switches do to tagged and untagged VLAN packets?Is there any way to configure a vlan interface on linux to only receive the untagged frames?Tagged and Untagged Cisco vLAN port



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0















If I have a port A which has say VPID 200, has VLAN 200 untagged and also VLAN 150 untagged, does that mean that frames on the switch tagged 150 can reach port A, and open a connection, but port A cannot go find IPs/MACs on VLAN 150?
I haven't seen this discussed in detail, but does this create 1 way VLANs in a sense?










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    If I have a port A which has say VPID 200, has VLAN 200 untagged and also VLAN 150 untagged, does that mean that frames on the switch tagged 150 can reach port A, and open a connection, but port A cannot go find IPs/MACs on VLAN 150?
    I haven't seen this discussed in detail, but does this create 1 way VLANs in a sense?










    share|improve this question







    New contributor




    Bringle is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      0












      0








      0








      If I have a port A which has say VPID 200, has VLAN 200 untagged and also VLAN 150 untagged, does that mean that frames on the switch tagged 150 can reach port A, and open a connection, but port A cannot go find IPs/MACs on VLAN 150?
      I haven't seen this discussed in detail, but does this create 1 way VLANs in a sense?










      share|improve this question







      New contributor




      Bringle is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      If I have a port A which has say VPID 200, has VLAN 200 untagged and also VLAN 150 untagged, does that mean that frames on the switch tagged 150 can reach port A, and open a connection, but port A cannot go find IPs/MACs on VLAN 150?
      I haven't seen this discussed in detail, but does this create 1 way VLANs in a sense?







      vlan






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      Bringle is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      asked Apr 17 at 11:03









      BringleBringle

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          1 Answer
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          In principle you can have only one untagged VLAN. This vlan may be called differently based on the brand but all the time it is pointing the same status. You are pointing trunk mode but there is allowed just single one native / default / untagged VLAN.



          The configuration should not allow you to set more untagged VLANs and in case you could set it up that way the "last set" wins the selection so my guess is highest VLAN "win competition" about native VLAN ;-).



          Available port modes:



          Access mode



          You can use one and only this one VLAN on the port and this VLAN is in principle untagged. This mode is used normally for connecting end nodes.



          Trunk mode



          This mode is when there is possible to communicate using more VLANs where one is default / native / untagged (all not tagged traffic is "assigned" to this VLAN). ALL the rest allowed VLANs have to be tagged. Based on the configuration you can allow / limit communication just for listed VLANs or you can allow all known VLANs on the device to go via the trunk port.






          share|improve this answer























          • I understand that you can only have 1 VPID, for untagged packets entering a switch port, but I haven't found (or perhaps understood) an explanation regarding multiple untagged VLANs on a port, which I have found to be possible on both TP-Link and Mikrotik switch configs..

            – Bringle
            Apr 17 at 11:52











          • It is just not possible. In case you can set it up (somehow) you just rewriting the previous set so at then end there is again just one set native VLAN (untagged). So as there cannot be multiple untagged VLANs you just can't find the explanation for that ;-).

            – Kamil J
            Apr 17 at 12:39












          • In case you would not set it up (on some device it is not shown in config as it is default) the VLAN 1 is set up se default. The way how to get "other" native VLAN on the port (in one direction) could be port mirroring but it is other topic... For normal communication the situation you are asking for can't happen - one thing is what you see in configuration and other thing is how the device behave ;-).

            – Kamil J
            Apr 17 at 12:45











          • In this image i.imgur.com/oj4Nukw.png you can see how a port (for example an 'access' port) can have multiple untagged VLANS, for both TP-Link and Mikrotik

            – Bringle
            Apr 17 at 22:39











          Your Answer








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          1 Answer
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          1 Answer
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          active

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          active

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          0














          In principle you can have only one untagged VLAN. This vlan may be called differently based on the brand but all the time it is pointing the same status. You are pointing trunk mode but there is allowed just single one native / default / untagged VLAN.



          The configuration should not allow you to set more untagged VLANs and in case you could set it up that way the "last set" wins the selection so my guess is highest VLAN "win competition" about native VLAN ;-).



          Available port modes:



          Access mode



          You can use one and only this one VLAN on the port and this VLAN is in principle untagged. This mode is used normally for connecting end nodes.



          Trunk mode



          This mode is when there is possible to communicate using more VLANs where one is default / native / untagged (all not tagged traffic is "assigned" to this VLAN). ALL the rest allowed VLANs have to be tagged. Based on the configuration you can allow / limit communication just for listed VLANs or you can allow all known VLANs on the device to go via the trunk port.






          share|improve this answer























          • I understand that you can only have 1 VPID, for untagged packets entering a switch port, but I haven't found (or perhaps understood) an explanation regarding multiple untagged VLANs on a port, which I have found to be possible on both TP-Link and Mikrotik switch configs..

            – Bringle
            Apr 17 at 11:52











          • It is just not possible. In case you can set it up (somehow) you just rewriting the previous set so at then end there is again just one set native VLAN (untagged). So as there cannot be multiple untagged VLANs you just can't find the explanation for that ;-).

            – Kamil J
            Apr 17 at 12:39












          • In case you would not set it up (on some device it is not shown in config as it is default) the VLAN 1 is set up se default. The way how to get "other" native VLAN on the port (in one direction) could be port mirroring but it is other topic... For normal communication the situation you are asking for can't happen - one thing is what you see in configuration and other thing is how the device behave ;-).

            – Kamil J
            Apr 17 at 12:45











          • In this image i.imgur.com/oj4Nukw.png you can see how a port (for example an 'access' port) can have multiple untagged VLANS, for both TP-Link and Mikrotik

            – Bringle
            Apr 17 at 22:39















          0














          In principle you can have only one untagged VLAN. This vlan may be called differently based on the brand but all the time it is pointing the same status. You are pointing trunk mode but there is allowed just single one native / default / untagged VLAN.



          The configuration should not allow you to set more untagged VLANs and in case you could set it up that way the "last set" wins the selection so my guess is highest VLAN "win competition" about native VLAN ;-).



          Available port modes:



          Access mode



          You can use one and only this one VLAN on the port and this VLAN is in principle untagged. This mode is used normally for connecting end nodes.



          Trunk mode



          This mode is when there is possible to communicate using more VLANs where one is default / native / untagged (all not tagged traffic is "assigned" to this VLAN). ALL the rest allowed VLANs have to be tagged. Based on the configuration you can allow / limit communication just for listed VLANs or you can allow all known VLANs on the device to go via the trunk port.






          share|improve this answer























          • I understand that you can only have 1 VPID, for untagged packets entering a switch port, but I haven't found (or perhaps understood) an explanation regarding multiple untagged VLANs on a port, which I have found to be possible on both TP-Link and Mikrotik switch configs..

            – Bringle
            Apr 17 at 11:52











          • It is just not possible. In case you can set it up (somehow) you just rewriting the previous set so at then end there is again just one set native VLAN (untagged). So as there cannot be multiple untagged VLANs you just can't find the explanation for that ;-).

            – Kamil J
            Apr 17 at 12:39












          • In case you would not set it up (on some device it is not shown in config as it is default) the VLAN 1 is set up se default. The way how to get "other" native VLAN on the port (in one direction) could be port mirroring but it is other topic... For normal communication the situation you are asking for can't happen - one thing is what you see in configuration and other thing is how the device behave ;-).

            – Kamil J
            Apr 17 at 12:45











          • In this image i.imgur.com/oj4Nukw.png you can see how a port (for example an 'access' port) can have multiple untagged VLANS, for both TP-Link and Mikrotik

            – Bringle
            Apr 17 at 22:39













          0












          0








          0







          In principle you can have only one untagged VLAN. This vlan may be called differently based on the brand but all the time it is pointing the same status. You are pointing trunk mode but there is allowed just single one native / default / untagged VLAN.



          The configuration should not allow you to set more untagged VLANs and in case you could set it up that way the "last set" wins the selection so my guess is highest VLAN "win competition" about native VLAN ;-).



          Available port modes:



          Access mode



          You can use one and only this one VLAN on the port and this VLAN is in principle untagged. This mode is used normally for connecting end nodes.



          Trunk mode



          This mode is when there is possible to communicate using more VLANs where one is default / native / untagged (all not tagged traffic is "assigned" to this VLAN). ALL the rest allowed VLANs have to be tagged. Based on the configuration you can allow / limit communication just for listed VLANs or you can allow all known VLANs on the device to go via the trunk port.






          share|improve this answer













          In principle you can have only one untagged VLAN. This vlan may be called differently based on the brand but all the time it is pointing the same status. You are pointing trunk mode but there is allowed just single one native / default / untagged VLAN.



          The configuration should not allow you to set more untagged VLANs and in case you could set it up that way the "last set" wins the selection so my guess is highest VLAN "win competition" about native VLAN ;-).



          Available port modes:



          Access mode



          You can use one and only this one VLAN on the port and this VLAN is in principle untagged. This mode is used normally for connecting end nodes.



          Trunk mode



          This mode is when there is possible to communicate using more VLANs where one is default / native / untagged (all not tagged traffic is "assigned" to this VLAN). ALL the rest allowed VLANs have to be tagged. Based on the configuration you can allow / limit communication just for listed VLANs or you can allow all known VLANs on the device to go via the trunk port.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Apr 17 at 11:44









          Kamil JKamil J

          4626




          4626












          • I understand that you can only have 1 VPID, for untagged packets entering a switch port, but I haven't found (or perhaps understood) an explanation regarding multiple untagged VLANs on a port, which I have found to be possible on both TP-Link and Mikrotik switch configs..

            – Bringle
            Apr 17 at 11:52











          • It is just not possible. In case you can set it up (somehow) you just rewriting the previous set so at then end there is again just one set native VLAN (untagged). So as there cannot be multiple untagged VLANs you just can't find the explanation for that ;-).

            – Kamil J
            Apr 17 at 12:39












          • In case you would not set it up (on some device it is not shown in config as it is default) the VLAN 1 is set up se default. The way how to get "other" native VLAN on the port (in one direction) could be port mirroring but it is other topic... For normal communication the situation you are asking for can't happen - one thing is what you see in configuration and other thing is how the device behave ;-).

            – Kamil J
            Apr 17 at 12:45











          • In this image i.imgur.com/oj4Nukw.png you can see how a port (for example an 'access' port) can have multiple untagged VLANS, for both TP-Link and Mikrotik

            – Bringle
            Apr 17 at 22:39

















          • I understand that you can only have 1 VPID, for untagged packets entering a switch port, but I haven't found (or perhaps understood) an explanation regarding multiple untagged VLANs on a port, which I have found to be possible on both TP-Link and Mikrotik switch configs..

            – Bringle
            Apr 17 at 11:52











          • It is just not possible. In case you can set it up (somehow) you just rewriting the previous set so at then end there is again just one set native VLAN (untagged). So as there cannot be multiple untagged VLANs you just can't find the explanation for that ;-).

            – Kamil J
            Apr 17 at 12:39












          • In case you would not set it up (on some device it is not shown in config as it is default) the VLAN 1 is set up se default. The way how to get "other" native VLAN on the port (in one direction) could be port mirroring but it is other topic... For normal communication the situation you are asking for can't happen - one thing is what you see in configuration and other thing is how the device behave ;-).

            – Kamil J
            Apr 17 at 12:45











          • In this image i.imgur.com/oj4Nukw.png you can see how a port (for example an 'access' port) can have multiple untagged VLANS, for both TP-Link and Mikrotik

            – Bringle
            Apr 17 at 22:39
















          I understand that you can only have 1 VPID, for untagged packets entering a switch port, but I haven't found (or perhaps understood) an explanation regarding multiple untagged VLANs on a port, which I have found to be possible on both TP-Link and Mikrotik switch configs..

          – Bringle
          Apr 17 at 11:52





          I understand that you can only have 1 VPID, for untagged packets entering a switch port, but I haven't found (or perhaps understood) an explanation regarding multiple untagged VLANs on a port, which I have found to be possible on both TP-Link and Mikrotik switch configs..

          – Bringle
          Apr 17 at 11:52













          It is just not possible. In case you can set it up (somehow) you just rewriting the previous set so at then end there is again just one set native VLAN (untagged). So as there cannot be multiple untagged VLANs you just can't find the explanation for that ;-).

          – Kamil J
          Apr 17 at 12:39






          It is just not possible. In case you can set it up (somehow) you just rewriting the previous set so at then end there is again just one set native VLAN (untagged). So as there cannot be multiple untagged VLANs you just can't find the explanation for that ;-).

          – Kamil J
          Apr 17 at 12:39














          In case you would not set it up (on some device it is not shown in config as it is default) the VLAN 1 is set up se default. The way how to get "other" native VLAN on the port (in one direction) could be port mirroring but it is other topic... For normal communication the situation you are asking for can't happen - one thing is what you see in configuration and other thing is how the device behave ;-).

          – Kamil J
          Apr 17 at 12:45





          In case you would not set it up (on some device it is not shown in config as it is default) the VLAN 1 is set up se default. The way how to get "other" native VLAN on the port (in one direction) could be port mirroring but it is other topic... For normal communication the situation you are asking for can't happen - one thing is what you see in configuration and other thing is how the device behave ;-).

          – Kamil J
          Apr 17 at 12:45













          In this image i.imgur.com/oj4Nukw.png you can see how a port (for example an 'access' port) can have multiple untagged VLANS, for both TP-Link and Mikrotik

          – Bringle
          Apr 17 at 22:39





          In this image i.imgur.com/oj4Nukw.png you can see how a port (for example an 'access' port) can have multiple untagged VLANS, for both TP-Link and Mikrotik

          – Bringle
          Apr 17 at 22:39










          Bringle is a new contributor. Be nice, and check out our Code of Conduct.









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