Monthly Archives: June 2023

F5 101 – Part 4: Application and Security Technologies Part 1
June 30, 2023

1. Hypertext Transfer Protocol (HTTP) Part 1 We’ve already discussed the lower layers of our OSI model, presentation, datalink network and transport Layer before we talk about Http, let’s discuss first the upper layer of our OSI model and these three upper layers session, presentation and application is consolidated into just one layer for the […]

F5 101 – Part 4: Application and Security Technologies Part 2
June 30, 2023

5. Hypertext Transfer Protocol (HTTP) Part 5 Now we’re going to modify our lab topology and this time we’re not going to use our F five big IP device because we want to communicate directly to the web servers. As we have here. We have the two network, we have the external where our client […]

F5 101 – Part 5: Troubleshooting Network and Applications Part 5
June 29, 2023

19. BIG-IP Troubleshooting Part 1 After troubleshooting connectivity issues layer one, layer two, layer three and application related issues, let’s troubleshoot our Fybig IP device. Now, what I have here is just a simple connectivity. We have our client PC connected to our FY big IP via the management network and the reason why is […]

F5 101 – Part 5: Troubleshooting Network and Applications Part 4
June 29, 2023

14. HTTP Troubleshooting Part 1 Now let’s move to application connection networks. What I have here is a server, but this time it’s not listening to port 80, it’s listening to port four four three. And it is added to a pool named S underscore pool one. It’s only one pool number and this pool […]

F5 101 – Part 5: Troubleshooting Network and Applications Part 3
June 28, 2023

10. Layer 2 Connectivity Issues Part 5 Common layer two Issues and Best Practices it is very common to experience misconfiguration at layer two. Sometimes it’s related to Vlan. You should configure Vlan ten on this particular network device, but accidentally you configured Vlan Eleven, or sometimes it is related to eight two one Q […]

F5 101 – Part 5: Troubleshooting Network and Applications Part 2
June 28, 2023

6. Layer 2 Connectivity Issues Part 1 Now let’s troubleshoot layer connectivity issues. In our diagram, we have three servers, and each servers are residing in three different Vlans. We have server one in vlan ten with an IP address of 172 1610 one, server two in Vlan 20 with an IP address of 22, […]

F5 101 – Part 5: Troubleshooting Network and Applications Part 1
June 27, 2023

1. Layer 1 Connectivity Issues Part 1 We are now in the troubleshooting section and the first part is troubleshooting layer one connectivity. Our first example consists of a pair of big IP device and big IP. One is connected to the authenticated switch that is also connected to three servers. We have another switch, […]

Amazon AWS Certified SysOps Administrator Associate – Networking – Route 53 Part 8
June 27, 2023

17. [SAA/DVA] Routing Policy – Multi Value So let’s talk about the last routing policy which is MultiValue, which is going to be used when you want to route traffic to multiple resources. And route 53 will therefore return multiple values or resources. Now you can associate them with health checks and so therefore the […]

Amazon AWS Certified SysOps Administrator Associate – Networking – Route 53 Part 7
June 26, 2023

14. [SAA/DVA] Routing Policy ‚Äď Geolocation So now let’s talk about the routing policy, geolocation, which is very different from latency based. So this is based on where the user is actually located. So for example, you can say if a user comes from a specific continent or a country, or even more precise on […]

Amazon AWS Certified SysOps Administrator Associate – Networking – Route 53 Part 6
June 26, 2023

12. [SAA/DVA] Route 53 Health Checks – Hands On So let’s go ahead and create some health checks. So on the left hand side, I’m going to go into the health checks and we’re going to create health checks for all our EC two instances. So we’re going to three health checks. So the first […]

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