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ACL Rule Question - Permit X to Y also permit Y to X

Arnaud_D
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ACL Rule Question - Permit X to Y also permit Y to X

Hello

I'm working on ACL for all my vlan's and I have a question :

 

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Why does 192.168.15.0/25 network can ping 192.168.1.0/24 ?

I did some tests and it comes from the rule allowing IP traffic from 192.168.1.0/24 to 192.168.15.0/25

Traffic from 15.0 to 1.0 isn't allowed

Is that normal that a rule allowing IP works in both ways ?

 

Thanks for your answers 😉

Model: GSM4352S|M4300-52G - Stackable Managed Switch with 48x1G and 4x10G including 2x10GBASE-T and 2xSFP+ Layer 3
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Arnaud_D
Aspirant

Re: ACL Rule Question - Permit X to Y also permit Y to X

Hi

Could someone confirm how ACL IP Rules work, coz it really seems weird that a rule can apply in both direction.

If it's normal then how to I restrict traffic in ony one direction ?

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