Cisco Switch as Firewall + DNS Server | Complete Configuration

Learn how to configure BASIC FIREWALL using ACL on Cisco Switch with DNS Server in this step-by-step Packet Tracer Lab! Many people think Switch cannot act as Firewall - But with Access Control List (ACL) we can create basic firewall rules to block/permit traffic along with DNS service! 📌 In This Video You Will Learn: ✅ How to configure Basic Firewall using Standard & Extended ACL on Switch ✅ How to block ping, website, specific IP using ACL ✅ How to configure DNS Server in Packet Tracer ✅ How to map Hostname to IP Address (www.google.com - 192.168.1.10) ✅ How to test DNS + Firewall together ✅ Verification commands 💻 Commands Used: Switch(config)# ip access-list extended FIREWALL Switch(config-ext-nacl)# deny ip 192.168.1.0 0.0.0.255 host 192.168.2.10 Switch(config-ext-nacl)# permit ip any any Switch(config)# interface vlan 1 Switch(config-if)# ip access-group FIREWALL in DNS: ip dns server | ip host www.test.com 192.168.1.10 🖥️ Lab Setup: Cisco Switch 2960 / 3650 DNS Server IP: 192.168.1.100 Client PC: 192.168.1.10 Software: Cisco Packet Tracer 8.2.1 Perfect for CCNA 200-301 Exam Preparation! LIKE | SHARE | SUBSCRIBE pannunga for more Networking Labs! #BasicFirewall #CiscoSwitch