When you are using Cloud Services such AWS, AZURE, GCP or others. You would start create resources in their website. Which is quite convince YES and NO. Yes – It is like magic, by ONE click. a Window / Linux Server has been created. then login by SSH No – when you need to create numbers of resources. it is […]
On Figure 1.1 , We can see a Server is connected to Router, other hands it is connected with a switch and 3 end devices. DHCP – Auto assign IP address that is very handy. DHCP Server is setup in Server-PT Server0, But those 3 computers can’t get a IP address. If computers can’t get an IP address, they can’t […]
In AWS Cloud, you may delete Default VPC by mistake or you want to create another VPC for different purpose. Here we will demonstrate What we need to setup and allowing VM inside this VPC able to go to public internet. 4 Element you will need, refer to Figure 1.1. 1. VPC 2. Subnets 3. Internet Gateways 4. Route Tables […]
[Summary / Aims] We have main 3 network here which represent 3 different physical different location. OSPF area 0 as a ISP network. [OSPF / EIGRP Redistribution ] [ASDM site to site VPN] [Result]
[Summary / Aims] Dynamic Routing Protocol – EIGRP. We are here to find out how Routers form EIGRP neighbor relationship with each others and how those routers exchange routing information. So that they will learn the new routing path. How EIGRP to select the best path to reach the destination network? Why EIGRP is fast convergence if compare with OSPF. […]
[SUMMARY / AIMS] Now we will need to carry on our upgrading network infrastructure, implement Link aggregation and also prepare a network 172.32.0.0 /16 in other building, in order to implement site to site vpn connection after few months (Please make sure that the 172.32 network can ping to our existing building). Fault Tolerance to the ASA is needed, in […]
[SUMMARY / AIMS] Boss stated that our business is expanding rapidly, so he has rented extra 2 floor in the same building. A new network design has to be implemented. Let’s build a network which is included 6 Department in a 2 Floors Building. To Create 7 VLANS for those department & Server’s use. 3 no. x Layer 2 Switch […]
[SUMMARY / AIMS] Let In a happy Friday day , Boss grab you for a meeting in London branch. He announced that We will open a new branch in Kent after 1 week. Therefore I will need to arrange a shopping list for devices/ switches and gone through all configuration. Make sure that the connection from London branch to Kent […]
<AIMS> 5 Routers connect to each other, By using Dynamic routing which enable PC1 can ping PC2. Using Wireshark tools to find OSPF Exchange packet as below. In stub area, what will the LSA packet being different than non stub area. Multi area is applied in this lab, [Back bone area 0 ] [ R2 & R4 in area 1] […]
<AIMS>Network devices setup for 2 Teams are working at the Office , including Sales and Finance team. It is 2 Tier Architecture, 1 Firewall ASA, 2 Routers & 2 switches. REDUNDANCY – 1 standby address for both router, 1 standby address for both switch, in order to for the back up path. in case if 1 interface down. DYNAMIC ROUTING […]
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