morow Posted February 1, 2019 Share #1 Posted February 1, 2019 (edited) Hi, I have 2 network cards (1 GbE and 10GbE) in my Xpenology server and Synology NAS, I created a backup (Hyper Backup) using 1 GbE card (from Syno to XPeno) and it works fine, when I choose 10 GbE connection from the drop-down menu the backup wizard is not able to find the remote shares. I tried that from Syno to Xpeno and from Xpeno to Syno, I'm getting the same error message. Any help would be appreciated. Hi, Edited February 1, 2019 by morow Quote Link to comment Share on other sites More sharing options...
bearcat Posted February 1, 2019 Share #2 Posted February 1, 2019 How come you use a 169.24.x.y IP adress? Thats a link-local IPv4 address in accordance with RFC 3927 indicating a self-assigned IP adress. Did you choose this address your self? If so, you better use a 10.0.0.x or a 172.16.x.y address if you want to separate it from your 192.168.x.y range Quote Link to comment Share on other sites More sharing options...
morow Posted February 2, 2019 Author Share #3 Posted February 2, 2019 (edited) I have not choose the addresses for the 10Gb network, I wanted to try 10 Gigabit network and I don't have router. The rest of the network works fine just 10Gb connection between Synology and Xpenology not. This is my current setup (see the attached image). Edited February 2, 2019 by morow Quote Link to comment Share on other sites More sharing options...
bearcat Posted February 4, 2019 Share #4 Posted February 4, 2019 @morow Are you able to ping the different IP addresses on your 10GB interfaces from your computer? If you did not choose the addresses yourself, they have been "randomly chosen" as self-assigned addresses, and you might be missing a route between them. So, you better assign the addresses yourself, and you may use the format: 10.0.0.xyz to easier differentiate them from your 1 GB net. (or maybe 192.168.10.xyz but then you have to exclude that range from the DHCP scope in your router) Quote Link to comment Share on other sites More sharing options...
morow Posted February 5, 2019 Author Share #5 Posted February 5, 2019 I will try change the addresses, I'm hoping to get the router soon as they have them on stock. Thank you. Quote Link to comment Share on other sites More sharing options...
flyride Posted February 5, 2019 Share #6 Posted February 5, 2019 (edited) On 2/2/2019 at 12:19 PM, morow said: I have not choose the addresses for the 10Gb network, I wanted to try 10 Gigabit network and I don't have router. The rest of the network works fine just 10Gb connection between Synology and Xpenology not. This is my current setup (see the attached image). I agree with the advice to change addresses, but in the meantime, you have IP address pairs on the 10Gbe segments which require subnet masks of 255.255.0.0 in order for them to work. I suspect at least one of the interfaces on your Syno to XPe network has a subnet of 255.255.255.0 and that is why it is not working. Typically you want to limit an IP network to a class C scope (255.255.255.0 subnet mask), which means that the first three octets (i.e. 169.254.72.x) must be the same on every device on that network. The reason for this is to limit the collision domain and broadcast traffic, which doesn't matter much for your use case, but is still a best practice. Edited February 5, 2019 by flyride Quote Link to comment Share on other sites More sharing options...
flyride Posted February 5, 2019 Share #7 Posted February 5, 2019 17 hours ago, bearcat said: @morow Are you able to ping the different IP addresses on your 10GB interfaces from your computer? If you did not choose the addresses yourself, they have been "randomly chosen" as self-assigned addresses, and you might be missing a route between them. So, you better assign the addresses yourself, and you may use the format: 10.0.0.xyz to easier differentiate them from your 1 GB net. (or maybe 192.168.10.xyz but then you have to exclude that range from the DHCP scope in your router) The router is offering DHCP on 192.168.0.x and in his diagram there is no connection from the 10Gbe interfaces to the router with DHCP, so there is no requirement to exclude the range. Quote Link to comment Share on other sites More sharing options...
bearcat Posted February 5, 2019 Share #8 Posted February 5, 2019 @flyride Of course, don't know where i had my head no need to exclude what's not in there 😏 Quote Link to comment Share on other sites More sharing options...
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