To prevent DNS responses from advertising the IP addresses of all active services, which gslb vServer parameter should be updated?

To prevent DNS responses from advertising the IP addresses of all active services, which gslb vServer parameter should be updated?

• A. MIR DISABLED
• B. EDR ENABLED
• C. MIR ENABLED
• D. EDR DISABLED

Answer: (A)

In GSLB, the setting that controls whether DNS responses can return multiple IP addresses for the same service is the MIR feature. When MIR is enabled, a single DNS query can yield several IPs, revealing all active endpoints. To prevent DNS responses from advertising every active service IP, you disable MIR. This makes the DNS response return a single, preferred IP (based on policy), reducing exposure of all available endpoints. The EDR option does not govern how many IPs are advertised in a DNS response, so it won’t achieve the goal of limiting exposed IPs.

In GSLB, the setting that controls whether DNS responses can return multiple IP addresses for the same service is the MIR feature. When MIR is enabled, a single DNS query can yield several IPs, revealing all active endpoints. To prevent DNS responses from advertising every active service IP, you disable MIR. This makes the DNS response return a single, preferred IP (based on policy), reducing exposure of all available endpoints. The EDR option does not govern how many IPs are advertised in a DNS response, so it won’t achieve the goal of limiting exposed IPs.