doubleugk Posted February 19, 2017 Share #1 Posted February 19, 2017 Hej guys, I dared to set the MTU value to 9000 and now I cannot access my DSM anymore. How can I get access to my DSM configuration via a console or any other way? Cheers wgk Quote Link to comment Share on other sites More sharing options...
tontounest Posted February 19, 2017 Share #2 Posted February 19, 2017 Change MTU on your PC to 9k or connect via ssh and type ifconfig eth0 mtu 1500 up Quote Link to comment Share on other sites More sharing options...
doubleugk Posted February 19, 2017 Author Share #3 Posted February 19, 2017 Change MTU on your PC to 9k or connect via ssh and type ifconfig eth0 mtu 1500 up I'd already change the MTU on my PC, but my router Fritzbox 7490 FW 6.80 doesn't seem to support this high MTU rate. SSH is not enabled I'll try to get a 2nd network adapter and hopefully this will allow me to access again. Thx wgk Quote Link to comment Share on other sites More sharing options...
tontounest Posted February 19, 2017 Share #4 Posted February 19, 2017 Change MTU on your PC to 9k or connect via ssh and type ifconfig eth0 mtu 1500 up I'd already change the MTU on my PC, but my router Fritzbox 7490 FW 6.80 doesn't seem to support this high MTU rate. SSH is not enabled I'll try to get a 2nd network adapter and hopefully this will allow me to access again. Thx wgk Is there a router in between pc and xpenology? Try also changing MTU on a router. Or try connecting directly to nas. Quote Link to comment Share on other sites More sharing options...
doubleugk Posted February 19, 2017 Author Share #5 Posted February 19, 2017 Is there a router in between pc and xpenology? Try also changing MTU on a router. Or try connecting directly to nas. Yes the router is in between and it doesn't allow to change the MTU. Direct access isn't possible, because I've configured the network settings manually Quote Link to comment Share on other sites More sharing options...
tontounest Posted February 19, 2017 Share #6 Posted February 19, 2017 Is there a router in between pc and xpenology? Try also changing MTU on a router. Or try connecting directly to nas. Yes the router is in between and it doesn't allow to change the MTU. Direct access isn't possible, because I've configured the network settings manually Sure it is. You just need to match the subnet on your PC. For example if you set your NAS to 192.168.1.2, then simply set your PC to 192.168.1.3. No gateway or DNS ip is necessary for this. Quote Link to comment Share on other sites More sharing options...
doubleugk Posted February 19, 2017 Author Share #7 Posted February 19, 2017 Sure it is. You just need to match the subnet on your PC. For example if you set your NAS to 192.168.1.2, then simply set your PC to 192.168.1.3. No gateway or DNS ip is necessary for this. Yes I know - but I've set the IP, Subnet, Gateway and DNS-Server on my DS manually - hence a p2p won't work. Quote Link to comment Share on other sites More sharing options...
tontounest Posted February 19, 2017 Share #8 Posted February 19, 2017 Does your motherboard have a serial port? Quote Link to comment Share on other sites More sharing options...
CtrlAltDel Posted February 19, 2017 Share #9 Posted February 19, 2017 Boot with a linux live cd and edit the mtu value in the config file. Quote Link to comment Share on other sites More sharing options...
doubleugk Posted February 21, 2017 Author Share #10 Posted February 21, 2017 I've used 2nd network card and that was the easiest solution for me. Thx 2 all that suggested a possible solution. After I've corrected the MTU, I'd some further testing and upto MTU 6000 the DS is able to connect to my network. But the throughput is not really effected by the change of the MTU in my network. Quote Link to comment Share on other sites More sharing options...
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