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On 05/02/2021 10:38, Michael Everitt wrote: > On 03/02/2021 21:58, Sebastian wrote: >> Dear Mr. Meowski, >> >>> This is called multi-homing and is explicitly not an advised >>> configuration >>> unless you have very specific requirements and know what you're doing. >>> A better way to approach this might be to ask what specific aim you are >>> hoping to achieve by having two simultaneous network connections into >>> the >>> same subnet on a single instance? If there is no answer, you >>> shouldn't be >>> doing it. "Redundancy" is not a valid answer in this scenario, you'd >>> need >>> bonding or LACP for that along with a switch that supported it. >> Thanks for the keywords: it is very helpful when researching things to >> know what they are called! >> >> The 'redundancy' in this case was to be able to use one interface if the >> other went down. When this problem started this was OK, but as I said >> the issue has become progressively worse over the last few months, and >> now even that does not usually fix it. >> >> If there is any speed improvement with using two interfaces then that >> would also be nice. However, I don't think the Powerline by itself would >> be a bottleneck, so it would be quite fine to just use that. >> >>> If you want the easiest fix just pull the wifi card and reset the >>> ethernet >>> completely, removing all your weird and incorrect configurations from >>> it. >> Well that was certainly easy, but I'm not so sure about the 'fix' bit! >> I've deleted all the NetworkManager connections, unplugged the wireless >> adapter and rebooted Fedora with only the Ethernet plugged in, with the >> router already on. Sadly, this was clearly insufficient, because later >> on yesterday I got the problem again. >> >> I pinged both 1.1.1.1 (Cloudflare) and 192.168.1.254 (the router's IP >> address) but both of these failed with "Destination Host Unreachable". I >> also tried a ping to duckduckgo.com and the DNS lookup failed (I have >> two nameservers in /etc/resolv.conf, firstly Cloudflare and then >> OpenDNS). >> >> Thank you for your help. >> >> The mystery continues! >> >> Best wishes, >> >> Sebastian >> >> -- >> - Freenode: 'seabass' >> - Matrix: '@seabass:chat.weho.st' >> > Did Meowski's message appear on the list somewhere? if so, can someone > re-forward it, as it appears to have got lost in the mail system > somewhere (although may turn up some time/date Yet to be Determined!) > > Cheers, MJE/veremitz > I also would appreciate "The Meowski Message". He is a brilliant teacher. I learned some facts from the reply. "Multi-homing" . which sent me on a deep chase into finding things. Strange how "the List" gets you into learning without a teacher. -- Regards Eion MacDonald -- The Mailing List for the Devon & Cornwall LUG https://mailman.dcglug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq