Everything Brian said is correct. The practical difference is the vlan
tagging. Frames are tagged on a trunk based on what vlan they belong on.
Frames are not tagged on a SPAN port because it is not intended to be split
back into vlans.
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On a SPAN port the switch will copy the information passing through the
other ports and output it to the SPAN port so that you can use a device like
a packet analyzer for network management. A SPAN port is merely a window
into the switch to look at traffic on several ports in several VLANs.
A tru
What is the difference between a trunk port and a SPAN port?
Am I wrong to think that both ports see all the packets?
Packet analyzers are connected to SPAN ports.
what if you connect them to a trunk port? Does this serve the purpose?
A Strobel
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