Got it

A clarification needed about Huawei hybrid vlans.

Latest reply: Mar 23, 2019 13:57:27 1151 2 0 0 0


hybrid vlan behavior is not so clear on the manual:

For outbound packets

"Sends a received frame if the VLAN ID carried in the frame is permitted by the port."

I cannot find on the manual a command that specifies what VLANs are permitted to go through a hybrid port (trunk port has "port trunk allow-pass vlan <vlan>" command to do that).

So what's the trick?



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Admin Created Mar 23, 2019 13:30:07

@user_3349397 hi,
you can use command port hybride tagged vlan to add the vlan, with which the packets pass through the interface with tagged, command port hybrid untagged vlan to add vlan, with which the packets pass through the interface with untagged.
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Created Mar 23, 2019 13:57:27

Thx chenhui,

now it's clear, the allowed-pass command used in trunk ports is splitted in port hybrid tagged/untagged commands in
order to enable vlans inbound/outbound.

In think hybrid port is the most powerful: can reproduce the exact behavior of a trunk port and access port.
Trunk port is only able to reproduce the exact behavior of an access port.

There are cases like Selective QinQ that could be accomplished only with the power of a hibryd port.

Now it's clear to me why hybrid ports are the default on Huawei switches, with them you can have all possible port functionalities.

Anyway, for the sake of cleanness I think it's convenient to choose the link-type that satisfy my requirements (access for hosts, trunk for switch upstream), reserving the use of hybrid ports to special cases.

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