Geo ip filtering / Subdomain can't be crawled

[irene789]

My client has "load balancing" site traffic in the following way:

• domain: www.example.com
• traffic from US IP redirected to usa.example.com
• traffic from non-US IP redirected to www2.example.com

The reason for doing this is that site contents on the www2 contains herbal medicine info banned by FDA."usa.example.com" is a "cleaned" site.

Using HK IP, when I google an Eng keyword, I can see that www.example.com is indexed. When googling a Chi keyword, nothing is indexed - neither the domain or www2 subdomain.

From Google Search Console, it shows a Dell Sonicwall geo ip filtering alert for www2 (Connection initiated from country: United States). GSC data also confirms that www2 has never been indexed by Google.

Questions:

• Is geo ip filtering the very reason why www2 isn't indexed?
• What should I do in order to get www2 to be indexed?

Thanks guys!

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[irene789]

Thanks a lot for your advice, James!