DNS monitor LAST RESPONSE "Failure - ICMP port unreachable"
Article ID: CTX573100
Updated On:
Description
DNS type monitor LAST RESPONSE displayed "Failure - ICMP port unreachable" like below:
Resolution
NetScaler DNS Probe received ICMP response, DNS Monitor will display ICMP response content in LAST RESPONSE. This is product design.
Problem Cause
"Destination unreadable (Port unreachable)" was received in protocol "ICMP" when port 53 was unreachable.
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