Cisco Bug: CSCtd03970 - RADIUS dns attribute must override local dhcpv6 dns configuration
Feb 06, 2017
- Cisco IOS
Known Affected Releases
Symptoms: IPv6 DNS RADIUS attributes do not overwrite locally-configured IPv6 DNS server. The CPE gets the two locally configured DNS-servers and the two DNS-servers from RADIUS (four in total). Conditions: The symptom is observed in a PPPoE environment. The IPv6 DNS RADIUS attributes sent down with a RADIUS accept packet, must overwrite the locally-configured IPv6 DNS server under the DHCPv6 server. This does not occur causing the issue.
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