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pzero

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June 15th, 2010 06:00

VLAN support: trunk mode vs general mode

Hi,

Can anyone outline the difference between the trunk mode and general mode for VLAN support and the pros/cons of each mode?

We have two PowerConnect 6248 switches interconnected with a LAG (2 x 10GbE) and we need to VLAN support for the LAG between the two switches and also a couple of other LAGs (2 x 1GbE) to older PowerConnect 5324 switches.

We have about 10 different VLANs.

We're not sure if we should use trunk mode or general mode for the LAGs.

Thanks.

DELL-Josh Cr

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August 9th, 2021 12:00

That looks right.

 

Dell-DylanJ

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2.9K Posts

August 9th, 2021 13:00

Hello,

 

No, general mode would not describe any networking protocol. General mode describes how the link is operating. Dell does not have any proprietary networking protocol, to my knowledge. The link that Erman provided touches on this a bit, How to use General Switchport Mode on Dell Networking PowerConnect Switches | Dell US. You might also look at this second reference article, as well. How to Configure Switchport Modes on Dell EMC Networking N Series Switch | Dell US.

 

The ports can be in access, general, or trunk modes.

 

  • General - General ports can act like access or trunk ports or a hybrid of both. When a port is in General mode, all VLAN features are configurable.  When ingress filtering is on, the frame is dropped if the port is not a member of the VLAN identified by the VLAN ID in the tag.  If ingress filtering is off, all tagged frames are forwarded.  The port decides whether to forward or drop the frame when the port receives the frame.

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