ACL Port Mirroring/Redirection not working as expected

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ACL Port Mirroring/Redirection not working as expected

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
ACL Port Mirroring/Redirection not working as expected
ACL Port Mirroring/Redirection not working as expected
2023-04-01 06:21:23
Tags: #acl
Model: TL-SG3210  
Hardware Version: V3
Firmware Version: 3.0.7 Build 20221130 Rel.42340

Hello, it's me again with another question regarding ACLs.

 

I haven't found anything useful in the user manual / user guide hence this topic here.

 

1.) Port Mirroring does not work for "denied" packets

I was under the impression one could simply "mirror" the denied traffic to inspect all blocked packets on a specific port.

 

Of course, I can understand why mirroring would not mirror any packets that have been matched as "deny".


However, why is it then, that I'm still able to select "Policy->Mirror" in the ACL when Mode is set to "Deny"?

 

I think the same applies to redirect.

 

2.) Port Redirection does not work for DHCP traffic

 

The answer to this might be the answer from my previous question: if DHCP traffic isn't handled by the CPU then this might explain why the DHCP traffic is not being redirected.

 

I hope someone can give me some insight into why I'm encountering this behaviour.


If a configuration is requested then I'll provide one but I think this is not necessary.

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