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Top Forums UNIX for Beginners Questions & Answers Changes in dhcpd.conf do not make a difference in DHCP service behaviour Post 303031962 by ekorgur on Friday 8th of March 2019 06:16:55 AM
Old 03-08-2019
Code:
Mar  7 09:05:04 trber dhcpd: DHCPDISCOVER from XX:XX:XX:XX:45:06 via 172.17.126.195: unknown network segment
Mar  7 09:05:04 trber dhcpd: DHCPDISCOVER from XX:XX:XX:XX:45:06 via 172.17.126.194: unknown network segment

Before I was receiving those DISCOVER messages from the interface.
The DHCP broadcast from the client is relayed to 10.210.148.7 .
Requests were received however the dhcp server was not offering an IP while I added the required config into /etc/dhcpd.conf

As this modification did not help, I copied the modified /etc/dhcpd.conf to /etc/dhcp/dhcpd.conf. But now, the process does not go up and give the "no subnet decleration" failure.
 

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OCF_HEARTBEAT_DHCPD(7)						OCF resource agents					    OCF_HEARTBEAT_DHCPD(7)

NAME
ocf_heartbeat_dhcpd - Chrooted ISC DHCP server resource agent. SYNOPSIS
dhcpd [start | stop | monitor | meta-data | validate-all] DESCRIPTION
Manage an ISC DHCP server service in a chroot environment. SUPPORTED PARAMETERS
config The absolute path to the DHCP server configuration file. (unique, required, string, no default) chrooted Configure the dhcpd service to run in a chrooted or non-chrooted mode. (unique, optional, boolean, default true) chrooted_path The absolute path of the chrooted DHCP environment. (unique, optional, string, default "/var/lib/dhcp") binary The binary for the DHCP server process. An absolute path definition is not required, but can be used to override environment path. (optional, string, default "dhcpd") user The system user the DHCP server process will run as when it is chrooted. (optional, string, default "dhcpd") group The system group the DHCP server process will run as when it is chrooted. (optional, string, default "nogroup") interface The network interface(s) the DHCP server process will bind to. A blank value will bind the process to all interfaces. (optional, string, no default) includes This parameter provides a means to copy include files into the chrooted environment. If a dhcpd.conf file contains a line similar to this: include "/etc/named.keys"; Then an admin also has to tell the dhcpd RA that this file should be pulled into the chrooted environment. This is a space delimited list. (optional, string, no default) leases The leases database file, relative to chrooted_path. (optional, string, default "/db/dhcpd.leases") pid The path and filename of the PID file. It is relative to chrooted_path. (optional, string, default "/var/run/dhcpd.pid") SUPPORTED ACTIONS
This resource agent supports the following actions (operations): start Starts the resource. Suggested minimum timeout: 20. stop Stops the resource. Suggested minimum timeout: 20. monitor Performs a detailed status check. Suggested minimum timeout: 20. Suggested interval: 10. meta-data Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5. validate-all Performs a validation of the resource configuration. Suggested minimum timeout: 20. EXAMPLE
The following is an example configuration for a dhcpd resource using the crm(8) shell: primitive p_dhcpd ocf:heartbeat:dhcpd params config=string op monitor timeout="20" interval="10" depth="0" SEE ALSO
http://www.linux-ha.org/wiki/dhcpd_(resource_agent) AUTHOR
Linux-HA contributors (see the resource agent source for information about individual authors) resource-agents UNKNOWN 06/09/2014 OCF_HEARTBEAT_DHCPD(7)
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