I'm trying to create a backup DHCP server. Server times are in sync. Primary server starts fine. Secondary server won't start. Error from /var/log/messages is:
Sep 15 14:47:45 stream dhcpd: Copyright 2004-2010 Internet Systems Consortium.
Sep 15 14:47:45 stream dhcpd: All rights reserved.
Sep 15 14:47:45 stream dhcpd: For info, please visit https://www.isc.org/software/dhcp/
Sep 15 14:47:45 stream dhcpd: /etc/dhcp/dhcpd.conf line 25: invalid statement in peer declaration
Sep 15 14:47:45 stream dhcpd: #011max-response-default
Sep 15 14:47:45 stream dhcpd: ^
Sep 15 14:47:45 stream dhcpd: /etc/dhcp/dhcpd.conf line 41: failover peer dhcp-failover: not found
Sep 15 14:47:45 stream dhcpd: failover peer "dhcp-failover"
Sep 15 14:47:45 stream dhcpd: ^
Sep 15 14:47:45 stream dhcpd: /etc/dhcp/dhcpd.conf line 49: failover peer dhcp-failover: not found
Sep 15 14:47:45 stream dhcpd: failover peer "dhcp-failover"
Sep 15 14:47:45 stream dhcpd: ^
Sep 15 14:47:45 stream dhcpd: WARNING: Host declarations are global. They are not limited to the scope you declared them in.
Sep 15 14:47:45 stream dhcpd: /etc/dhcp/dhcpd.conf line 70: failover peer dhcp-failover: not found
Sep 15 14:47:45 stream dhcpd: failover peer "dhcp-failover"
Sep 15 14:47:45 stream dhcpd: ^
Sep 15 14:47:45 stream dhcpd: /etc/dhcp/dhcpd.conf line 78: failover peer dhcp-failover: not found
Sep 15 14:47:45 stream dhcpd: failover peer "dhcp-failover"
Sep 15 14:47:45 stream dhcpd: ^
Sep 15 14:47:45 stream dhcpd: Configuration file errors encountered -- exiting
Sep 15 14:47:45 stream dhcpd:
Sep 15 14:47:45 stream dhcpd: This version of ISC DHCP is based on the release available
Sep 15 14:47:45 stream dhcpd: on ftp.isc.org. Features have been added and other changes
Sep 15 14:47:45 stream dhcpd: have been made to the base software release in order to make
Sep 15 14:47:45 stream dhcpd: it work better with this distribution.
Sep 15 14:47:45 stream dhcpd:
Sep 15 14:47:45 stream dhcpd: Please report for this software via the CentOS Bugs Database:
Sep 15 14:47:45 stream dhcpd: http://bugs.centos.org/
Sep 15 14:47:45 stream dhcpd:
Sep 15 14:47:45 stream dhcpd: exiting.
Config file contents:
# DHCP Server Configuration file.
# see /usr/share/doc/dhcp*/dhcpd.conf.sample
# see 'man 5 dhcpd.conf'
#
option domain-name "eng.foo.com";
option domain-name-servers ns0.eng.foo.com, ns1.eng.foo.com;
option ntp-servers ntp.eng.foo.com;
#option time-servers ntp.eng.foo.com;
default-lease-time 3600;
max-lease-time 7200;
authoritative;
log-facility local7;
failover peer "dhcp-failover" {
secondary;
address 10.0.1.70;
port 647;
peer address 10.0.1.11;
peer port 647;
max-response-default 30;
max-unacked-updates 10;
load balance max seconds 3;
}
#
# Management subnet
#
subnet 10.0.0.0 netmask 255.255.255.0 {
option subnet-mask 255.255.255.0;
option broadcast-address 10.0.0.255;
option routers 10.0.0.1;
option domain-search "eng.foo.com", "foo.com";
# Unknown clients get this pool
pool {
failover peer "dhcp-failover";
max-lease-time 300;
range 10.0.0.240 10.0.0.249;
allow unknown-clients;
}
# Known clients get this pool
pool {
failover peer "dhcp-failover";
max-lease-time 28800;
range 10.0.0.150 10.0.0.199;
deny unknown-clients;
}
include "/etc/dhcp/dhcpd.conf-engmgmt";
}
#
# Data subnet
#
subnet 10.0.1.0 netmask 255.255.255.0 {
option subnet-mask 255.255.255.0;
option broadcast-address 10.0.1.255;
option routers 10.0.1.1;
option domain-search "eng.foo.com", "foo.com";
# Unknown clients get this pool
pool {
failover peer "dhcp-failover";
max-lease-time 300;
range 10.0.1.240 10.0.1.249;
allow unknown-clients;
}
# Known clients get this pool
pool {
failover peer "dhcp-failover";
max-lease-time 28800;
range 10.0.1.150 10.0.1.199;
deny unknown-clients;
}
# For centos network installs
if substring (option vendor-class-identifier, 0, 8) = "anaconda" {
filename "/autohome/distro/ks/";
next-server eng-data.eng.foo.com;
}
# For PXE network installs
if substring (option vendor-class-identifier, 0, 9) = "PXEClient" {
filename "pxelinux.0";
next-server eng-data.eng.foo.com;
}
# For KVM PXE network installs
if substring (option vendor-class-identifier, 0, 9) = "Etherboot" {
filename "pxelinux.0";
next-server eng-data.eng.foo.com;
}
include "/etc/dhcp/dhcpd.conf-engdata";
}