DHCP stops working

[mana]

Hi, for an unknown reason DHCP on my server stop working. When it first did, I rebooted and it worked again, then it stopped again. Here is /var/log/messages

What are all the "deleting rrset?

Code: Select all

Sep 21 21:42:17 home dhcpd: DHCPINFORM from 192.168.8.101 via eth0 Sep 21 21:42:17 home dhcpd: DHCPACK to 192.168.8.101 (00:13:e8:b8:14:a1) via eth0 Sep 21 21:44:37 home dhcpd: DHCPREQUEST for 192.168.8.103 from 00:04:20:1a:ca:6d (SqueezeboxController) via eth0 Sep 21 21:44:37 home dhcpd: DHCPACK on 192.168.8.103 to 00:04:20:1a:ca:6d (SqueezeboxController) via eth0 Sep 21 21:45:10 home dhcpd: DHCPREQUEST for 192.168.8.100 from 00:15:af:10:b5:f0 (EasyNote) via eth0 Sep 21 21:45:10 home dhcpd: DHCPACK on 192.168.8.100 to 00:15:af:10:b5:f0 (EasyNote) via eth0 Sep 21 21:45:39 home dhcpd: DHCPREQUEST for 192.168.8.101 from 00:13:e8:b8:14:a1 (L-L3-C3370) via eth0 Sep 21 21:45:39 home dhcpd: DHCPACK on 192.168.8.101 to 00:13:e8:b8:14:a1 (L-L3-C3370) via eth0 Sep 21 21:49:38 home dhcpd: DHCPREQUEST for 192.168.8.103 from 00:04:20:1a:ca:6d (SqueezeboxController) via eth0 Sep 21 21:49:38 home dhcpd: DHCPACK on 192.168.8.103 to 00:04:20:1a:ca:6d (SqueezeboxController) via eth0 Sep 21 21:50:10 home dhcpd: DHCPREQUEST for 192.168.8.100 from 00:15:af:10:b5:f0 (EasyNote) via eth0 Sep 21 21:50:10 home dhcpd: DHCPACK on 192.168.8.100 to 00:15:af:10:b5:f0 (EasyNote) via eth0 Sep 21 21:50:39 home dhcpd: DHCPREQUEST for 192.168.8.101 from 00:13:e8:b8:14:a1 (L-L3-C3370) via eth0 Sep 21 21:50:39 home dhcpd: DHCPACK on 192.168.8.101 to 00:13:e8:b8:14:a1 (L-L3-C3370) via eth0 Sep 21 21:54:38 home dhcpd: DHCPREQUEST for 192.168.8.103 from 00:04:20:1a:ca:6d (SqueezeboxController) via eth0 Sep 21 21:54:38 home dhcpd: DHCPACK on 192.168.8.103 to 00:04:20:1a:ca:6d (SqueezeboxController) via eth0 Sep 21 21:55:39 home dhcpd: DHCPREQUEST for 192.168.8.101 from 00:13:e8:b8:14:a1 (L-L3-C3370) via eth0 Sep 21 21:55:39 home dhcpd: DHCPACK on 192.168.8.101 to 00:13:e8:b8:14:a1 (L-L3-C3370) via eth0 Sep 21 21:59:09 home kernel: r8169: eth0: link down Sep 21 21:59:41 home kernel: r8169: eth0: link up Sep 21 21:59:46 home named[2620]: too many timeouts resolving 'www.squeezenetwork.com/A' (in '.'?): disabling EDNS Sep 21 22:00:10 home named[2620]: client 127.0.0.1#36406: signer "ddnskey" approved Sep 21 22:00:10 home named[2620]: client 127.0.0.1#36406: updating zone 'home.com/IN': deleting an RR Sep 21 22:00:10 home dhcpd: if EasyNote.home.com IN TXT "31a7871644ee7759f2a46ff293dc7e1f5d" rrset exists and EasyNote.home.com IN A 192.168.8.100 rrset exists delete EasyNote.home.com IN A 192.168.8.100: success. Sep 21 22:00:10 home named[2620]: client 127.0.0.1#42481: signer "ddnskey" approved Sep 21 22:00:10 home named[2620]: client 127.0.0.1#42481: updating zone 'home.com/IN': deleting an RR Sep 21 22:00:10 home dhcpd: if EasyNote.home.com IN A rrset doesn't exist delete EasyNote.home.com IN TXT "31a7871644ee7759f2a46ff293dc7e1f5d": success. Sep 21 22:00:10 home named[2620]: client 127.0.0.1#57822: signer "ddnskey" approved Sep 21 22:00:10 home named[2620]: client 127.0.0.1#57822: updating zone '8.168.192.in-addr.arpa/IN': deleting rrset at '100.8.168.192.in-addr.arpa' PTR Sep 21 22:00:10 home dhcpd: removed reverse map on 100.8.168.192.in-addr.arpa Sep 21 22:04:38 home named[2620]: client 127.0.0.1#48822: signer "ddnskey" approved Sep 21 22:04:38 home named[2620]: client 127.0.0.1#48822: updating zone 'home.com/IN': deleting an RR Sep 21 22:04:38 home dhcpd: if SqueezeboxController.home.com IN TXT "31b62ea8e73a0cc1b198ece42a0b29c0f5" rrset exists and SqueezeboxController.home.com IN A 192.168.8.103 rrset exists delete SqueezeboxController.home.com IN A 192.168.8.103: success. Sep 21 22:04:38 home named[2620]: client 127.0.0.1#41056: signer "ddnskey" approved Sep 21 22:04:38 home named[2620]: client 127.0.0.1#41056: updating zone 'home.com/IN': deleting an RR Sep 21 22:04:38 home dhcpd: if SqueezeboxController.home.com IN A rrset doesn't exist delete SqueezeboxController.home.com IN TXT "31b62ea8e73a0cc1b198ece42a0b29c0f5": success. Sep 21 22:04:38 home named[2620]: client 127.0.0.1#41154: signer "ddnskey" approved Sep 21 22:04:38 home named[2620]: client 127.0.0.1#41154: updating zone '8.168.192.in-addr.arpa/IN': deleting rrset at '103.8.168.192.in-addr.arpa' PTR Sep 21 22:04:38 home dhcpd: removed reverse map on 103.8.168.192.in-addr.arpa Sep 21 22:05:39 home named[2620]: client 127.0.0.1#58396: signer "ddnskey" approved Sep 21 22:05:39 home named[2620]: client 127.0.0.1#58396: updating zone 'home.com/IN': deleting an RR Sep 21 22:05:39 home dhcpd: if L-L3-C3370.home.com IN TXT "31730d368a49451be2290a9cb37a6b0ea3" rrset exists and L-L3-C3370.home.com IN A 192.168.8.101 rrset exists delete L-L3-C3370.home.com IN A 192.168.8.101: success. Sep 21 22:05:39 home named[2620]: client 127.0.0.1#60032: signer "ddnskey" approved Sep 21 22:05:39 home named[2620]: client 127.0.0.1#60032: updating zone 'home.com/IN': deleting an RR Sep 21 22:05:39 home dhcpd: if L-L3-C3370.home.com IN A rrset doesn't exist delete L-L3-C3370.home.com IN TXT "31730d368a49451be2290a9cb37a6b0ea3": success. Sep 21 22:05:39 home named[2620]: client 127.0.0.1#60466: signer "ddnskey" approved Sep 21 22:05:39 home named[2620]: client 127.0.0.1#60466: updating zone '8.168.192.in-addr.arpa/IN': deleting rrset at '101.8.168.192.in-addr.arpa' PTR Sep 21 22:05:39 home dhcpd: removed reverse map on 101.8.168.192.in-addr.arpa

[mana]

Well, I suspect it was just a loose connection. Would that be in line with the log?

[cpg]

these look normal.

machines come and go.

no indication of any failure in dhcp!

check /var/log/monit for failed dhcp messages from the monitoring system.