Description of problem: ether-wake (net-tools) properly performs WOL events, but console output falsely reports that the network is down. Version-Release number of selected component (if applicable): net-tools-2.0-0.15.20131119git.fc20.x86_64 How reproducible: always Steps to Reproduce: 1. Invoke ether-wake to perform a WOL event for a sleeping machine: ether-wake -DDD $macstring 2. read console output 3. Actual results: a. WOL successful b. inappropriate console messages Expected results: a. WOL successful b. appropriate console messages Additional info: A WOL event is performed to awaken a sleeping machine. ether-wake is invoked at the console using the following command, where $macstring is substituted for the actual MAC address of the target ethernet adapter: ether-wake $macstring ether-wake successfully performs a WOL event, wakening the sleeping machine, but it also inappropriately writes the following text to the console: "sendto: Network is down" invoking ether-wake using the debug parameter confirms that the sendto command actually worked; when issuing the following command: ether-wake -DDD $macstring the following output is received: (the actual MAC address has been replaced with "aa:bb:cc:dd:ee:ff" in this example) The target station address is aa:bb:cc:dd:ee:ff. Packet is aa bb cc dd ee ff aa bb cc dd ee ff 08 42 ff ff ff ff ff ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff aa bb cc dd ee ff. Sendto worked ! 116. Sendto worked ! 116. Sendto worked ! 116. sendto: Network is down As you can see, issuing the -D parameter when invoking ether-wake provides us with confirmation that the sendto command worked properly, but the final output of ether-wake is the issuance of an inappropriate "Network is down" response. Even though ether-wake issues a "Network is down" response, the target machine is successfully awakened. It appears that the "Network is down" response is being issued inappropriately.
You can use the -i option to send the wake-up packet on just the one interface that is connected to the correct network. ether-wake -i eth0 $macstring But I agree that the error message should be better. Maybe something like: Wake-up message on interface eth1 failed: Network is down
I'm not sure that you understand the nature of the bug report, maybe I wasn't clear. My complaint is that the software succeeds in performing a WOL event over the network, and then issues a false "network is down" report after it succeeds. The way I look at this, the issuance of a"network is down" message and a successful WOL event are two mutually exclusive events. You should never get one if you receive the other.
Those two events are not mutually exclusive because you can successfully send a WOL packet on one interface (e.g. eth0) but fail to send the WOL packet on another interface (e.g. eth1).
Thanks for clarifying that for me. I'm not quite sure that it's the right answer, though. In the event that a machine has multiple network interfaces, your suggestion would make sense that the user should have to specify which network interface should be used. In the event that the user failed to specify which interface should be used, then the software would scan for available interfaces and use them. IMO if the program scans for available interfaces, finds one, issues the WOL event and succeeds, then it's a bug to report that the network is down. In the event that a machine has a single network interface (my case in submitting this report), and when the ether-wake command is issued without specifying the interface to use (ie: using the "-i" option), ether-wake looks for an appropriate interface, finds it, uses it successfully, and then falsely reports that the network is down. Following your suggestion, implementation of the "-i" option does force ether-wake to use the specified interface, and in that case, the "network is down" fail message is not generated. But in the case that the "-i" option is not used on a machine that has eth0 and no eth1, ether-wake finds an appropriate interface to use (eth0), uses it successfully, and then issues a false report that the network is down. This seems to be an error in the logic that is implemented in the program. If the program scans for available interfaces, finds one, uses it successfully, then it should not report that the network is down. Doing that would be a software bug.
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Still an issue in F22 $ rpm -q net-tools net-tools-2.0-0.31.20141124git.fc22.x86_64
Created attachment 1073608 [details] ether-wake: add interface into message If you don't use the '-i' parameter, then ether-wake sends packets to all interfaces (even those, that are down). So I added interfaces into message. For example: 'eth0', Sendto worked ! 116 'eth1', sendto: network is down
net-tools-2.0-0.35.20150915git.fc23 has been submitted as an update to Fedora 23. https://bodhi.fedoraproject.org/updates/FEDORA-2015-15922
net-tools-2.0-0.35.20150915git.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.\nIf you want to test the update, you can install it with \n su -c 'yum --enablerepo=updates-testing update net-tools'. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2015-15922
net-tools-2.0-0.35.20150915git.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.