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Nick Carlton
Nick Carlton
Nick's Technical Knowledge Base

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Expert Tutorial

IPv6 Prefix Delegation – Service Provider

IPv6 is very easy to delegate to your customers if you are an ISP. This streamlines the way your customers connect to your provider edge and into the internet. Lets see the small topology for this tutorial: Here we have two routers for a basic configuration of IPv6 Prefix delegation. Read more…

By Nick Carlton, 5 years31st January 2020 ago
Beginner Tutorial

Networking – Cisco Port Address Translation (PAT)

As we have exhausted all IPv4 addresses it was decided to implement NAT in a lot of areas of the internet. You are probably reading this sat behind a router that is performing a variation of NAT. NAT’s purpose is to translate addresses. The main example of this would be Read more…

By Nick Carlton, 5 years13th January 2020 ago
Expert Tutorial

Networking – Cisco Traffic Policing

There may come a time where you need to limit the speed of a connection coming through a router. This could be part of an internal network or part of and ISP’s network. I am going to demonstrate this on an ISP topology where we are limiting the customers speed Read more…

By Nick Carlton, 5 years12th January 2020 ago
Intermediate Tutorial

Networking – Cisco Static NAT Mappings

Many companies will have internal servers that need to be accessed outside of the organisation. These could be web servers or mail servers. Here I will show how to configure a Cisco router to map your internal servers to an external IP provided by your ISP using Network Address Translation Read more…

By Nick Carlton, 5 years12th January 2020 ago
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Recent Posts
  • vPC VXLAN EVPN Leaf and Spine – Part 11 – Infra-Vlans
  • vPC VXLAN EVPN Leaf and Spine – Part 10 – Solving External Access issue
  • vPC VXLAN EVPN Leaf and Spine – Part 9 – External Access outside Fabric
  • vPC VXLAN EVPN Leaf and Spine – Part 8 – L3VNI Configuration – Multi Tenant Leaking
  • vPC VXLAN EVPN Leaf and Spine – Part 7 – L3VNI Configuration – Multi Tenant

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