Помогите разобраться с DHCP

[root@webgate ~]# dhcpd restart
Internet Systems Consortium DHCP Server V3.1.0
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
WARNING: Host declarations are global.  They are not limited to the scope you de                                                                              clared them in.
/var/state/dhcp/dhcpd.leases line 5: unknown failover peer: dhcp-failover
failover peer "dhcp-failover"
              ^
Wrote 0 deleted host decls to leases file.
Wrote 0 new dynamic host decls to leases file.
Wrote 0 leases to leases file.
No subnet declaration for restart (0.0.0.0).
** Ignoring requests on restart.  If this is not what
   you want, please write a subnet declaration
   in your dhcpd.conf file for the network segment
   to which interface restart is attached. **
Not configured to listen on any interfaces!
If you did not get this software from ftp.isc.org, please
get the latest from ftp.isc.org and install that before
requesting help.
If you did get this software from ftp.isc.org and have not
yet read the README, please read it before requesting help.
If you intend to request help from the [email protected]
mailing list, please read the section on the README about
submitting bug reports and requests for help.
Please do not under any circumstances send requests for
help directly to the authors of this software - please
send them to the appropriate mailing list as described in
the README file.
exiting.
[root@webgate ~]#

# dhcpd.conf
#
# Sample configuration file for ISC dhcpd
#
server-identifier 192.168.2.1;
#failover peer "dhcp-failover" {
#  primary;
#  address 192.168.2.2;
#  port 520;
#  peer address 192.168.2.1;
#  peer port 520;
#  max-response-delay 60;
#  max-unacked-updates 10;
#  load balance max seconds 3;
#  mclt 600;
#  split 128;
#}
# option definitions common to all supported networks...
option domain-name "sah";
option domain-name-servers 192.168.2.1;
default-lease-time 600;
max-lease-time 7200;
next-server 192.168.2.1;
if substring (option vendor-class-identifier, 0, 9) = "PXEClient" {
    filename "pxe/pxelinux.0";
} else {
    filename "etherboot/thinstation.nbi";
        #filename "wtware/wtshell.nbi";
}
ddns-domainname "sah";
ddns-rev-domainname "in-addr.arpa";
update-static-leases on;
ddns-update-style interim;
ddns-updates on;
# If this DHCP server is the official DHCP server for the local
# network, the authoritative directive should be uncommented.
authoritative;
# Use this to send dhcp log messages to a different log file (you also
# have to hack syslog.conf to complete the redirection).
log-facility local7;
key DHCP_UPDATE { algorithm HMAC-MD5.SIG-ALG.REG.INT; secret "WOfB3kj8IhJK4OZ5s3zHeQ=="; }
zone sah. { primary 192.168.2.1; key DHCP_UPDATE; }
zone 2.168.192.in-addr.arpa. { primary 192.168.2.1; key DHCP_UPDATE; }
subnet 192.168.2.0 netmask 255.255.255.0 {
  option routers 192.168.2.1;
  option netbios-name-servers 192.168.2.1;
  pool {
#    failover peer "dhcp-failover";
    deny dynamic bootp clients;
    range 192.168.2.129 192.168.2.254;
  }
  host gbuh { hardware ethernet 00:17:31:7a:f7:4c;
                fixed-address 192.168.2.10;
                }
  host server { hardware ethernet 00:11:2f:54:06:e2;
                fixed-address 192.168.2.3;
                }
  host testserver { hardware ethernet 00:90:f5:25:f5:a1;
                    fixed-address 192.168.2.4;
                  }
  host adminus {   hardware ethernet 00:1e:8c:15:14:54;
        fixed-address 192.168.2.29;
        }
  host nalogovik { hardware ethernet 00:16:17:1e:3b:c1;
               fixed-address 192.168.2.11;
                   }
  host kassa { hardware ethernet 00:11:09:a0:94:c6;
               fixed-address 192.168.2.12;
               }
  host snagenie { hardware ethernet 00:e0:12:34:56:78;
                  fixed-address 192.168.2.13;
                  }
  host glaving { hardware ethernet 00:15:f2:c3:cf:8c;
                  fixed-address 192.168.2.18;
                  }
  host director { hardware ethernet 00:16:d3:50:5b:83;
           fixed-address 192.168.2.15;
           }
  host pto3 { hardware ethernet 00:22:15:c8:0a:df;
               fixed-address 192.168.2.16;
               }
  host zam1 { hardware ethernet 00:13:20:DB:8F:E5;
               fixed-address 192.168.2.17;
               }
  host intb { hardware ethernet 00:60:52:08:02:04;
              filename "wtware/wtshell.nbi";
              }
}