Let's add two proxy servers to our Squid configuration file:
cache_peer parent.example.com parent 3128 3130 default cache_peer sib.example.com sibling 3128 3130 proxy-only
So, according to this configuration,
parent.example.com is a parent proxy server and
sib.example.com is a sibling proxy server.
We just learned how to add a proxy server or neighbors to our Squid configuration file, so that our proxy server can be a part of a cache hierarchy.
Now, let's have a look at the options which can be used to control ICP or HTCP communication.
When we configure a peer with ICP communication, we must configure the
directives properly. Next, we'll have a look ...