From the course: Azure Administration: Load Balancers and Application Gateways
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External and internal load balancers - Azure Tutorial
From the course: Azure Administration: Load Balancers and Application Gateways
External and internal load balancers
- [Narrator] Now, let's take a look at the differences between External Load Balancers and Internal Load Balancers. I'm going to use each one. An External Load Balancer basically maps a public IP address and ports to internal targets. That means that it will receive communications from the different clients that are on the internet, and send those requests to internal targets like a web server, or a scale set. It applies load balancing rules. So when the load balancer receives the request, it will then decide which of the servers in the back-end pool will receive those requests. It also uses Port Address Translation which lets the load balancer modify the port where the client is connecting. So on the external side where the load balancer has the public IP address, it could be receiving connections to the Port 80 but then those connections could be re-sent to the Port 8080 on the back-end. And this is typically used for…
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Contents
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Load balancer overview2m 35s
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External and internal load balancers2m 56s
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Create a load balancer using the portal2m 53s
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Configure a load balancer front-end1m 43s
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Configure a load balancer back-end1m 40s
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Configure a load balancer health probe2m 5s
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Configure load balancing rules2m 43s
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Configure NAT port-forwarding rules2m 42s
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Create a load balancer using PowerShell4m 14s
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Configure a load balancer using PowerShell3m 57s
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