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Cisco Bug: CSCvt12189 - DNS queries from clients to Umbrella are Consumed Silently by the device

Last Modified

Jul 21, 2020

Products (1)

  • Cisco 4000 Series Integrated Services Routers

Known Affected Releases

16.9.4

Description (partial)

Symptom:
Clients are not able to access Internet due to DNS queries are not resolved.
The router is not forwarding the DNS queries and since they do not reach Umbrella, they are not resolved.

Conditions:
** Running release 16.9.4

** Cisco umbrella connector configuration
- Global config
parameter-map type umbrella global
 token <removed>
 no dnscrypt
 udp-timeout 5

- Interface In
 GigabitEthernet0/0/0.22
  umbrella in <interface tag>

- Interface Out
 GigabitEthernet0/0/1
  umbrella out
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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  • Known Fixed Releases
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