BugZero | Cisco BugID CSCuz68075 - adding IPv6 DNS server or forwarder to DNS view er...

Cisco - Defect ID: CSCuz68075

adding IPv6 DNS server or forwarder to DNS view error

Cisco - Defect ID: CSCuz68075

adding IPv6 DNS server or forwarder to DNS view error

Last updated on February 24th, 2026

BugZero Risk Score
7.8 High

Overall: 7.8

Severity: 8.2

Lifecycle: 9.1

Popularity: 4.6

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Bug Details

Description

Symptom

error printed as below: c2900(cfg-dns-view)#domain name-server fd10:ab02:cd02:1::61 Not a valid name-server address - FD10:AB02:CD02:1::61

Conditions

seen on c2900 running 15.5(3)M2 and 15.4(3)M5 and 15.6 latest code

Workaround

none

Further Problem Description

Change history

2026-02-24 changed to Severe

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Cisco - Defect ID: CSCuz68075

adding IPv6 DNS server or forwarder to DNS view error

Cisco - Defect ID: CSCuz68075

adding IPv6 DNS server or forwarder to DNS view error

Last updated on February 24th, 2026

BugZero Risk Score7.8 High

Bug Details

Symptom

Conditions

Workaround

Further Problem Description

Links

Top Cisco Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
7.8 High