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09-28-2015 04:02 PM
09-28-2015 04:02 PM
Untagged Ports in HP Switch 3800
Hi,
I am new to vlan stuff. I do get some basic understanding of tagged/untagged ports. But I am not sure about some corner cases.
(1) If a port is only configured as an access port and untagged on Vlan A, will it drop or accept the ingress packets with tag as A?
(2) If a port is only configured as an access port and untagged on Vlan A, will it drop or forward the egress packets without any tag?
thanks
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09-28-2015 08:03 PM
09-28-2015 08:03 PM
Re: Untagged Ports in HP Switch 3800
An access port will:
1. Incoming frames: accept all untagged frames and tag them as VLAN A, drop all tagged frames
2. Outgoing frames: send all frames whose tag matches A and whose dest. MAC address matches the port's MAC address table and remove the tags before sending