We've configured ACLs to block access from the outside, so our OSPF neighbors are also down, which is a challenge.The condition says not to use ACL Permit, only Deny, does anyone have any idea?

I am using 2911 router on PKT and tried to use police to use Copp but there is no command, is it not possible to use CoPP on PKT?

I need to configure my router so that no PCs in the 192.168.0.0/24 range can send pings (ICMP) to any device, and no devices can send pings (ICMP) to the 192.168.0.0/24 range, but I want to do this without using ACLs or firewalls.Does anyone know how...