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Difference between Span/mirror port and Broadcast

duahimanshu816
Level 1
Level 1

Hello Experts,

Apologies for the straightforward question. I'm curious about the distinctions between a span port and broadcast packets.

Let's consider a scenario where we have a switch with multiple source links connected to it, and a single link connected to another device that listens to all the broadcasts.

Alternatively, imagine a setup where there's a switch with multiple source links connected and a single destination port configured for mirroring.

Or let's say we have a switch with multiple source links, each in its respective VLAN, and one port functioning as a trunk, carrying information from multiple links and sending everything to a listening device.

I understand this might seem like a basic question, but I would greatly appreciate it if someone could enlighten me on the differences between these three scenarios

1 Reply 1

balaji.bandi
Hall of Fame
Hall of Fame

You can find here more explanation how that SPAN(Mirror) work with examples :

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/10570-41.html

BB

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