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I am trying to set up a Redis cluster using amazon's ElasticCache
I have a VPC with the following CIDR: 10.0.0.0/16.

Which has five subnets:
2 private - 10.0.3.0/24 and 10.0.1.0/24

3 public - 10.0.0.0/24 10.0.2.0/24 10.0.4.0/24

After the creation of the Redis cluster I wasn't able to connect using the hostname that was provided in the console. I am 100% sure I have something configured wrong in terms of network (I am not a network expert)

My security group enabled access to port 6379 from 0.0.0.0/0 and the server that I am trying to connect from is in the same VPC but not in the same subnets as the Redis cluster.
I want to connect from the servers that are in the Public subnets to the Redis which is in the private subnets

Edit 1:

I was able to connect using telnet to the hostname and port.
When I use the redis-cli command I am not getting a response

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  • Any error response from redis-cli? What is the full command you're using. If telnet to the port works, it's probably not a networking issue Commented Apr 2, 2020 at 13:14
  • turns out that because of the redis AUTH that was enabled it wasn't able to connect with the redis-cli. found something on github Commented Apr 2, 2020 at 20:09
  • Feel free to add that solution to as an answer to this question! Your rep is low enough it'll take a couple days, but you can then Accept the answer and everyone will know there is a solution to this. Commented Apr 20, 2020 at 18:53

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turns out that because of the redis AUTH that was enabled it wasn't able to connect with the redis-cli. found something on github

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