Symptom
DDNS update retransmission timer fails to work with a traceback error under "show logging"
-----
Aug xx xx:xx:xx.xxx: %SYS-3-MGDTIMER: Uninitialized timer, init with uninitialized master, timer = xxxxxxxxxx. -Process= "HTTP CORE", ipl= 0, pid= xxx
-Traceback= x#xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx :xxxxxxxxxxx+xxxxxxxxxxx
Conditions
Configuration for "IPv4 over IPv6" is used on IOS-XE router
Workaround
Run the commands below
1. clear nat64 map-e rule persistent
Under the target interface
2.(Config) no ipv6 address?
3.(Config) ipv6 address auto default