Avaya Aura - Chapter 7: Global FQDN configuration; DNS configuration; Configuring the front-end FQDN

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Chapter 7: Global FQDN configuration

You can use a single for all services or multiple FQDNs for each service. If you are using multiple

FQDNs, you require an external interface on the reverse proxy for each FQDN and separate

certificates for each FQDN.

In a single FQDN environment, remote clients and endpoints that participate in conferences interact

with multiple components through HTTPS. To eliminate the need for multiple external public IPs,

FQDNs, and certificates, the URL rewriting method is used. Using this method, clients and

endpoints can access conferences using a single FQDN and a single IP address through port 443.

DNS configuration

• For a single FQDN deployment, configure DNS as follows:

- For external DNS configuration, have a single FQDN record, for example,

webservices.company.com, that points to the reverse proxy or load balancer interface

for external traffic.

- For internal DNS configuration, have a single FQDN record, for example,

webservices.company.com, that points to the reverse proxy or load balancer interface

for internal traffic.

• For a multiple FQDNs deployment, configure DNS as follows:

- For external DNS configuration, each FQDN points to the external load balancer interface.

- For internal DNS configuration, each FQDN points to the individual server components.

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