Hi Bastien, Probably you have to increase https://www.knot-dns.cz/docs/2.9/singlehtml/index.html#tcp-io-timeout
Daniel On 10/21/19 11:20 AM, Bastien Durel wrote: > Hello, > > I have a problem with a knot slave instance, which does not refresh > anymore. > > When doing a retransfer, I have a "no usable master" error, with this > error log: > > oct. 21 11:02:16 corrin knotd[32453]: info: [geekwu.org.] control, received > command 'zone-retransfer' > oct. 21 11:02:16 corrin knotd[32453]: 2019-10-21T11:02:16 info: [geekwu.org.] > control, received command 'zone-retransfer' > oct. 21 11:02:17 corrin knotd[32453]: info: [geekwu.org.] AXFR, incoming, > remote 10.42.42.6@53, starting > oct. 21 11:02:17 corrin knotd[32453]: 2019-10-21T11:02:17 info: [geekwu.org.] > AXFR, incoming, remote 10.42.42.6@53, starting > oct. 21 11:02:18 corrin knotd[32453]: debug: [geekwu.org.] refresh, remote > master, address 10.42.42.6@53, failed (connection reset) > oct. 21 11:02:18 corrin knotd[32453]: 2019-10-21T11:02:18 debug: > [geekwu.org.] refresh, remote master, address 10.42.42.6@53, failed > (connection reset) > oct. 21 11:02:18 corrin knotd[32453]: 2019-10-21T11:02:18 warning: > [geekwu.org.] refresh, remote master not usable > oct. 21 11:02:18 corrin knotd[32453]: 2019-10-21T11:02:18 error: > [geekwu.org.] refresh, failed (no usable master) > oct. 21 11:02:18 corrin knotd[32453]: warning: [geekwu.org.] refresh, remote > master not usable > oct. 21 11:02:18 corrin knotd[32453]: error: [geekwu.org.] refresh, failed > (no usable master) > > On master, I have this error log: > > oct. 21 11:02:16 arrakeen knotd[20289]: info: [geekwu.org.] AXFR, outgoing, > remote 10.120.42.42@33435, started, serial 2019100808 > oct. 21 11:02:16 arrakeen knotd[20289]: 2019-10-21T11:02:16 info: > [geekwu.org.] AXFR, outgoing, remote 10.120.42.42@33435, started, serial > 2019100808 > oct. 21 11:02:16 arrakeen knotd[20289]: debug: TCP, send, address > 10.120.42.42@33435 (connection timeout) > oct. 21 11:02:16 arrakeen knotd[20289]: 2019-10-21T11:02:16 debug: TCP, send, > address 10.120.42.42@33435 (connection timeout) > > tcpdump shows a TCP connection from 10.120.42.42 to 10.42.42.6, which > is closed with a TCP FIN by 10.42.42.6 after 1.2s > > Do you have hints about that ? > > Thanks, > -- https://lists.nic.cz/mailman/listinfo/knot-dns-users
