I have what I thought would be a simple ACL. See the attached overview. I have applied an ACL to a port connected to a Dell switch. All the machines on this Dell switch live on the 172.10.x.x network. I have a single server (on another subnet) hanging off the Cisco switch that I want to allow traffic to as well as a couple of machines hanging off the Cisco that belong to the 172.10.x.x network that need to communicate over to the Dell switch. Here was my thought process:
1 – Allow all traffic FROM a 172.10.x.x address TO a 172.10.x.x network (Handles both directions)
2 – Allow all traffic FROM a 172.10.x.x address TO address 172.20.100.100 – Ingress
3 – Allow all traffic FROM 172.20.100.100 to any 172.10.x.x address - Egress
4 – Apply to port connecting Cisco switch to Dell switch
When I apply the ACL I am unable to ping 220.127.116.11 from 172.20.100.100 - what am I missing?!?!?!
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