Access Control List Configure by GNS3 Lab

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Video link For loopback interface configure static router :    • Creating loopback interface and configurin...  

Process
For R1 Configure process
conf t
int f0/0
ip add 192.168.20.1 255.255.255.0
no sh
int f1/0
ip add 192.168.30.1 255.255.255.0
no sh
inf f2/0
ip add 192.168.40.1 255.255.255.0
no sh
exit

For PC
pc1 :- ip add 192.168.20.2/255 192.168.20.1
pc2 : - ip add 192.168.30.2/255 192.168.30.1
pc3 :- ip add 192.168.40.2/255 192.168.40.1

Verify configure
pc1 ; ping 192.168.30.2 status not ping or unreachable
pc3 : ping 192 .168.30.2 ping successfully


PROJECT GOAL
❌ Deny PC1 from accessing PC2
✅ Allow PC2 ↔ PC3 communication