Question about FE Loabalancing and Simple URLs

Hi all,

For our internal Lync deployment, we have a combination of DNS loadbalancing and HW loadbalancing.
I understand that I need HW LB for the FE Web services and created a separate DNS name and VIP for the internal web services.

I was wondering if I only have to setup HW LB for the internal web services (port 80 and 443) or is it also required to HW loadbalance the external web services (8080 and 4443) ?

Second question, which is related to the first;
In my internal DNS, do i need to change the records for things like meet, dialin, lyncdiscover to the VIP of the HW LB ?

I currently only have the record for the internal web services entry pointing to the VIP, but am not sure about the other ones.

In the following blog post, the author has set all these records to point to the VIP:

http://exchangepro.dk/2013/11/26/load-balance-the-lync-frontend-web-services-part-16/

Thank you for your help!