Cisco Bug: CSCvu73467 - Umbrella DNS protection disabled after enabling dynamic IPv6 config on NIC (with IPv6 DNS server)
Aug 17, 2020
- Cisco AnyConnect Secure Mobility Client
Known Affected Releases
Symptom: Umbrella DNS protection no longer works after enabling (and receiving) dynamic IPv6 configuration on a network interface. Conditions: - The interface already has IPv4 connectivity, including IPv4 DNS server. - The dynamic IPv6 configuration includes at least one IPv6 DNS server.
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Bug Details Include
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