Hi, I posted too less logs. We have a failover setting here.
> Request to Oliver: Please elaborate: > It seems that uhcpc treats the first answer only. I think, I conclude that based on the following udhcpc output: --cut-- udhcpc (v1.21.1) started Sending discover... Sending select for 10.0.1.28... Received DHCP NAK /etc/udhcpc/default.script: Received a NAK: requested address not available Sending discover... Sending select for 129.69.214.124... Received DHCP NAK /etc/udhcpc/default.script: Received a NAK: requested address not available Sending discover... Sending select for 129.69.214.124... (and so on, starting from "Received DHCP NAK") --end-- dhclient gives following output --cut-- Internet Systems Consortium DHCP Client 4.2.4 Copyright 2004-2012 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/eth0/00:50:56:85:c2:a2 Sending on LPF/eth0/00:50:56:85:c2:a2 Sending on Socket/fallback DHCPREQUEST of 10.0.1.27 on eth0 to 255.255.255.255 port 67 (xid=0x58dd7a8a) DHCPNAK from 129.69.214.3 (xid=0x8a7add58) DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 3 (xid=0xf89915c) DHCPREQUEST of 129.69.214.131 on eth0 to 255.255.255.255 port 67 (xid=0x5c91890f) DHCPOFFER of 129.69.214.131 from 129.69.214.2 DHCPNAK from 10.0.1.1 (xid=0xf89915c) DHCPNAK from 10.0.1.1 (xid=0xf89915c) DHCPACK of 129.69.214.131 from 129.69.214.3 bound to 129.69.214.131 -- renewal in 11815 seconds. --end-- > My advice to Oliver: Check your LAN and search for 10.0.1.1. That 10.0.1.1. > is from >> Sep 14 12:25:53 iaas2 dhcpd: DHCPREQUEST for 10.0.1.28 (10.0.1.1) from >> 00:50:56:85:c2:a2 via eth0 Yeah, I'm trying to find that host. As I don't have access to the routers for myself, I have to rely on other guys. Here the logs when using udhcpc: DHCP Server 1: --cut-- Sep 14 14:36:58 iaas1 dhcpd: DHCPDISCOVER from 00:50:56:85:c2:a2 via eth0 Sep 14 14:36:58 iaas1 dhcpd: DHCPREQUEST for 10.0.1.28 (10.0.1.1) from 00:50:56:85:c2:a2 via eth0: wrong network. Sep 14 14:36:58 iaas1 dhcpd: DHCPNAK on 10.0.1.28 to 00:50:56:85:c2:a2 via eth0 Sep 14 14:36:59 iaas1 dhcpd: DHCPOFFER on 129.69.214.124 to 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:01 iaas1 dhcpd: DHCPDISCOVER from 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:01 iaas1 dhcpd: DHCPOFFER on 129.69.214.124 to 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:01 iaas1 dhcpd: DHCPREQUEST for 129.69.214.124 (129.69.214.2) from 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:01 iaas1 dhcpd: DHCPACK on 129.69.214.124 to 00:50:56:85:c2:a2 via eth0 (and looping from DHCPDISCOVER from 00:50:56:85:c2:a2 via eth0) --end-- DHCP Server 2: --cut-- Sep 14 14:36:58 iaas2 dhcpd: DHCPDISCOVER from 00:50:56:85:c2:a2 via eth0: load balance to peer iaas Sep 14 14:36:58 iaas2 dhcpd: DHCPREQUEST for 10.0.1.28 (10.0.1.1) from 00:50:56:85:c2:a2 via eth0: wrong network. Sep 14 14:36:58 iaas2 dhcpd: DHCPNAK on 10.0.1.28 to 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:01 iaas2 dhcpd: DHCPDISCOVER from 00:50:56:85:c2:a2 via eth0: load balance to peer iaas Sep 14 14:37:01 iaas2 dhcpd: DHCPREQUEST for 129.69.214.124 (129.69.214.2) from 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:01 iaas2 dhcpd: DHCPACK on 129.69.214.124 to 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:01 iaas2 dhcpd: bind update on 129.69.214.124 from iaas rejected: incoming update is less critical than outgoing update Sep 14 14:37:04 iaas2 dhcpd: DHCPDISCOVER from 00:50:56:85:c2:a2 via eth0: load balance to peer iaas Sep 14 14:37:04 iaas2 dhcpd: DHCPREQUEST for 129.69.214.124 (129.69.214.2) from 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:04 iaas2 dhcpd: DHCPACK on 129.69.214.124 to 00:50:56:85:c2:a2 via eth0 Sep 14 14:37:04 iaas2 dhcpd: bind update on 129.69.214.124 from iaas rejected: incoming update is less critical than outgoing update (and looping from DHCPDISCOVER from 00:50:56:85:c2:a2 via eth0) --end-- Cheers, Oliver
