On Sun, 2021-01-03 at 11:54 +0800, Ed Greshko wrote: > On 03/01/2021 06:30, Michael H. Warfield wrote: > > [mhw@rpi-plate ~]$ ping mirrors.fedoraproject.org > > ping: mirrors.fedoraproject.org: Name or service not known > > [mhw@rpi-plate ~]$ ping6 mirrors.fedoraproject.org > > ping6: mirrors.fedoraproject.org: Name or service not known > > Just a note here. > > If you do have IPv6 service, those addresses will be preferred over > IPv4. See man gai.conf. > One would have to do "ping -4" to differentiate.
Note, I did try "ping6" to differentiate. Even though there was an IPv6 address, it still failed with "unknown host or service". > [egreshko@meimei ~]$ ping -c 1 mirrors.fedoraproject.org > PING mirrors.fedoraproject.org(proxy06.fedoraproject.org > (2605:bc80:3010:600:dead:beef:cafe:fed9)) 56 data bytes > 64 bytes from proxy06.fedoraproject.org > (2605:bc80:3010:600:dead:beef:cafe:fed9): icmp_seq=1 ttl=53 time=148 > ms > [egreshko@meimei ~]$ ping -4 -c 1 mirrors.fedoraproject.org > PING (8.43.85.67) 56(84) bytes of data. > 64 bytes from proxy14.fedoraproject.org (8.43.85.67): icmp_seq=1 > ttl=42 time=199 ms Right now, "Slide" and "Rpi-Plate" are communicating... Both work... I'm fully IPv6 enabled. I'll have to wait a day or so till the faceplant again. [root@slide eero]# ping -4 mirrors.fedoraproject.org PING (140.211.169.206) 56(84) bytes of data. 64 bytes from proxy09.fedoraproject.org (140.211.169.206): icmp_seq=1 ttl=48 time=98.2 ms 64 bytes from proxy09.fedoraproject.org (140.211.169.206): icmp_seq=2 ttl=48 time=97.6 ms ^C --- ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 97.601/97.882/98.164/0.281 ms [root@slide eero]# ping mirrors.fedoraproject.org PING mirrors.fedoraproject.org(2620:52:3:1:dead:beef:cafe:fed6 (2620:52:3:1:dead:beef:cafe:fed6)) 56 data bytes 64 bytes from 2620:52:3:1:dead:beef:cafe:fed6 (2620:52:3:1:dead:beef:cafe:fed6): icmp_seq=1 ttl=53 time=63.9 ms 64 bytes from 2620:52:3:1:dead:beef:cafe:fed6 (2620:52:3:1:dead:beef:cafe:fed6): icmp_seq=2 ttl=53 time=38.0 ms ^C --- mirrors.fedoraproject.org ping statistics --- 3 packets transmitted, 2 received, 33.3333% packet loss, time 2003ms rtt min/avg/max/mdev = 38.016/50.936/63.856/12.920 ms > --- > The key to getting good answers is to ask good questions. Regards, Mike -- Michael H. Warfield (AI4NB) | (o) +1 706 850-8773 | m...@wittsend.com /\/\|=mhw=|\/\/ | (c) +1 678 463-0932 | http://www.wittsend.com/mhw/ ARIN whois: MHW9-ARIN | An optimist believes we live in the best of all PGP Key: 0xC0EB9675674627FF | possible worlds. A pessimist is sure of it!
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