edit the ip,s if they wrong and do the follwing on post with explention configurtion codes recommed pleces ,all must ping each other

department 1 department 2 ROUTER0 AND router for interface ip IHAVE USE VLAN IP 10 VLAN IP 10 192.168.10.0 192.168.10.1 192.168.10.2 192.168.20.0 VLAN IP 20 VLAN IP 20 192.168.30.0 192.168.20.2 192.168.99.0(deprt1) 192.168.20.1 192.168.88.0(deprt2) VLAN IP 30 VLAN IP 30 192.168.30.1 192.168.30.2 VLAN IP 99(NATIVE) VLAN IP (NATIVE) 192.168.99.1 192.168.88.2

For each department : Configure VLANs and Inter VLAN Routing. Configure loop free redundant network with more bandwidth using STP and Etherchannel. Configure the router to provide DHCP services to the end devices in the network Configure wireless LAN with WPA2 authentication Configure a secure LAN network to mitigate all types of layer 2 attacks Configure static route between branches and default route to ISP. Verify your network connectivity between the branches. All end devices should be able to ping each other