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Cisco Bug: CSCvs45863 - BEMS01033406: DNS Jail - Handle NXDOMAIN DNS and other response codes

Last Modified

Jan 24, 2020

Products (1)

  • Cisco Webex Teams

Known Affected Releases

unspecified

Description (partial)

Symptom:
When a customer is deploying an HDS behind a proxy and using a DNS environment where only the proxy resolves DNS entries, the auto-detect logic is broken and the HDS cannot be setup.

Administrators setting up and HDS are presented with wording similar to "external DNS resolution was not successful, the node was unable to reach the DNS server".

Conditions:
Customer is running in an environment where a proxy is required and external DNS is blocked from inside the data center from where the HDS is deployed. For example, domains like ``idbroker.webex.com`` do not resolve except through the proxy.
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