When I first got the Windows message "Scanner unreachable", I tried unplugging the power cord and plugging it back in, but the scanner was still 'unreachable'. I also tried unplugging the USB cable and plugging it back in, but still no scanner. I also tried plugging the USB cable into another USB port on my PC, but no scanner.
Internet Control Message Protocol (ICMP) has a variety of Jun 16, 2020 ICMP - Destination Unreachable Message Analysis The ICMP - Destination host unreachable message is one which a user would usually get from the remote gateway when the destination host is unreachable. If, in the destination host, the IP module cannot deliver the packet because the indicated protocol module or process port is not active, the destination host may send an ICMP destination
Destination unreachable Destination unreachable is generated by the host or its inbound gateway [6] to inform the client that the destination is unreachable for some reason. Reasons for this message may include: the physical connection to the host does not exist (distance is infinite); the indicated protocol or port is not active; the data must
ICMP destination unreachable to DNS server? - posted in General Technical Questions: In the process of tuning our firewall configuration Ive noticed our Barracuda is sending ICMP destination unreachable messages (type 3, code 3) to the DNS servers that its configured for. Why would it do this?I could understand if it was sending these messages to a host that it was trying to relay for, but we vCenter 6.7 generating ICMP port unreachable fo |VMware Roughly 15% of the time, they will generate a query the same second with the same source port to both the primary and secondary DNS servers. When this happens, the firewall logs that the vCenter server responds to the secondary DNS server's answer with an ICMP type 3 code 3 (port unreachable).
Destination unreachable Destination unreachable is generated by the host or its inbound gateway [6] to inform the client that the destination is unreachable for some reason. Reasons for this message may include: the physical connection to the host does not exist (distance is infinite); the indicated protocol or port is not active; the data must
One of the rarest reasons to show Port Unreachable reply. Still, some users reported the solution to disable the remote router firewall. Remote Port Might be Damaged If the remote port is damaged, you may receive a Destination Port Unreachable reply on your computer. How to Fix Destination Port Unreachable Error? How to check UDP port status open or not. - Open Port Oct 10, 2018 Solved: IP unreachables ? - Cisco Community Icmp’s unreachable packets are used when a destination to a specific network, host, protocol, or port is unreachable. The router or host may send a destination unreachable packet to inform its source of the ip packets destinations unavailability.