<div dir="ltr">Hello, There is a problem with a F root-server node connected to UA-IX traffic exchange point (<a href="http://ix.net.ua">ix.net.ua</a>, AS15645) since October, 14. IP 192.5.5.241 is unreachable from our AS48438 since this date. Troubleshooting of this problem shows trace broken at: 5 2 ms 2 ms 1 ms <a href="http://kbp1b.f.root-servers.ix.net.ua">kbp1b.f.root-servers.ix.net.ua</a> [195.35.65.250] 6 2 ms 1 ms 1 ms <a href="http://iana.r1.kbp1.isc.org">iana.r1.kbp1.isc.org</a> [192.228.86.1] 7 * * * Request timed out. 8 * * * Request timed out. IP 192.5.5.241 is also unreachable from UA-IX looking glass ( <a href="http://lg.ix.net.ua/">http://lg.ix.net.ua/</a> ): Command: ping ipv4 Parameter: 192.5.5.241 ________________________________ Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 192.5.5.241, timeout is 2 seconds: ...U. Success rate is 0 percent (0/5) The route for <a href="http://192.5.5.0/24">192.5.5.0/24</a> is present in routing database ( <a href="http://lg.ix.net.ua/">http://lg.ix.net.ua/</a> ): Command: show ipv4 bgp Parameter: <a href="http://192.5.5.0/24">192.5.5.0/24</a> ________________________________ BGP routing table entry for <a href="http://192.5.5.0/24">192.5.5.0/24</a>, version 47209171 BGP Bestpath: deterministic-med: cost-community-ignore Paths: (2 available, best #1, table default) Advertised to update-groups: 73 74 76 194 231 233 Refresh Epoch 1 30128 3557, (aggregated by 30128 192.228.86.16) 185.1.50.250 from 185.1.50.250 (192.228.86.17) Origin IGP, metric 2, localpref 100, valid, external, atomic-aggregate, best Community: 3557:10 15645:5 rx pathid: 0, tx pathid: 0x0 Refresh Epoch 1 30128 3557, (aggregated by 30128 192.228.86.16) 185.1.50.248 from 185.1.50.248 (192.228.86.16) Origin IGP, metric 12, localpref 100, valid, external, atomic-aggregate Community: 15645:5 rx pathid: 0, tx pathid: 0 Please fix it. Thanks.<div> </div><div> -- Best wishes, Sergii Spivak <a href="http://www.corbina.com.ua">www.corbina.com.ua</a> </div></div>