DHCP IP-vergabe erst nach 1-2 Minuten

root@raspi:/home/pi# cat /etc/dhcp/dhcpd.conf
#
# Sample configuration file for ISC dhcpd for Debian
#
#

# The ddns-updates-style parameter controls whether or not the server will
# attempt to do a DNS update when a lease is confirmed. We default to the
# behavior of the version 2 packages ('none', since DHCP v2 didn't  
# have support for DDNS.)
ddns-update-style none;

allow booting;
allow bootp;
# option definitions common to all supported networks...

# Ping the IP address that is being offered to make sure it isn't  
# configured on another node. This has some potential repercussions
# for clients that don't like delays.  
ping-check true;

option domain-name "maiknetz.intern";  
option domain-name-servers 192.168.200.254;
# option domain-name-servers 192.168.1.254, ns2.example.org;

default-lease-time 600;
max-lease-time 7200;

# 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;

# No service will be given on this subnet, but declaring it helps the
# DHCP server to understand the network topology.

# This is a very basic subnet declaration.

subnet 192.168.200.0 netmask 255.255.255.0 {
  range 192.168.200.100 192.168.200.200;
  option broadcast-address 192.168.200.255;
  option subnet-mask 255.255.255.0;
  option routers 192.168.200.254;
  interface eth0;
}

# Hosts which require special configuration options can be listed in
# host statements.   If no address is specified, the address will be
# allocated dynamically (if possible), but the host-specific information
# will still come from the host declaration.

#host passacaglia {
#  hardware ethernet 0:0:c0:5d:bd:95;
#  filename "vmunix.passacaglia";  
#  server-name "toccata.fugue.com";  
#} 

root@raspi2:/etc/default# cat isc-dhcp-server
# Defaults for isc-dhcp-server initscript
# sourced by /etc/init.d/isc-dhcp-server
# installed at /etc/default/isc-dhcp-server by the maintainer scripts

#
# This is a POSIX shell fragment
#

# Path to dhcpd's config file (default: /etc/dhcp/dhcpd.conf).  
#DHCPD_CONF=/etc/dhcp/dhcpd.conf

# Path to dhcpd's PID file (default: /var/run/dhcpd.pid).  
#DHCPD_PID=/var/run/dhcpd.pid

# Additional options to start dhcpd with.
#       Don't use options -cf or -pf here; use DHCPD_CONF/ DHCPD_PID instead  
#OPTIONS=""  

# On what interfaces should the DHCP server (dhcpd) serve DHCP requests?
#       Separate multiple interfaces with spaces, e.g. "eth0 eth1".  
# INTERFACES=""  
INTERFACES="eth0"