diff --git a/dhcp b/dhcp
index 7548b87..97a7a07 100755
--- a/dhcp
+++ b/dhcp
@@ -1,20 +1,82 @@
 #!/bin/bash
+read -p "Введите начало диапазона(192.168.4.2): " S
+read -p "Введите конец диапазона(192.168.4.6): " K
 read -p "Введите подсеть(192.168.4.0): " Q
-read -p "Введите маску(30): " E
+read -p "Введите маску(29): " E
 read -p "Введите dns сервер(192.168.3.2): " R
 read -p "Введите шлюз(192.168.4.1): " T
-
-
+if ((@E=2)) then
+	E=192.0.0.0
+elif ((@E=3)) then
+	E=224.0.0.0
+elif ((@E=4)) then
+	E=240.0.0.0
+elif ((@E=5)) then
+	E=248.0.0.0
+elif ((@E=6)) then
+	E=252.0.0.0
+elif ((@E=7)) then
+	E=254.0.0.0
+elif ((@E=8)) then
+	E=255.0.0.0
+elif ((@E=9)) then
+	E=255.128.0.0
+elif ((@E=10)) then
+	E=255.192.0.0
+elif ((@E=11)) then
+	E=255.224.0.0
+elif ((@E=12)) then
+	E=255.240.0.0
+elif ((@E=13)) then
+	E=255.248.0.0
+elif ((@E=14)) then
+	E=255.252.0.0
+elif ((@E=15)) then
+	E=255.254.0.0
+elif ((@E=16)) then
+	E=255.255.0.0
+elif ((@E=17)) then
+	E=255.255.128.0
+elif ((@E=18)) then
+	E=255.255.192.0
+elif ((@E=19)) then
+	E=255.255.224.0
+elif ((@E=20)) then
+	E=252.255.240.0
+elif ((@E=21)) then
+	E=255.255.248.0
+elif ((@E=22)) then
+	E=255.255.252.0
+elif ((@E=23)) then
+	E=255.255.254.0
+elif ((@E=24)) then
+	E=224.255.255.0
+elif ((@E=25)) then
+	E=255.255.255.128
+elif ((@E=26)) then
+	E=255.255.255.192
+elif ((@E=27)) then
+	E=255.255.255.224
+elif ((@E=28)) then
+	E=255.255.255.240
+elif ((@E=29)) then
+	E=255.255.255.248
+elif ((@E=30)) then
+	E=255.255.255.252
+elif ((@E=31)) then
+	E=255.255.255.254
+elif ((@E=32)) then
+	E=255.255.255.255
 cat > /etc/dhcp/dhcpd.conf << EOF
 default-lease-time 600;
 max-lease-time 7200;
 authoritative;
 
-subnet 192.168.4.0 netmask 255.255.255.248 {
-	range 192.168.4.2 192.168.4.6;
-	option domain-name-servers 192.168.3.2, 8.8.4.4;
-	option subnet-mask 255.255.255.248;
-	option routers 192.168.4.1;
+subnet @Q netmask @E {
+	range @S @K;
+	option domain-name-servers @R, 8.8.8.8;
+	option subnet-mask @E;
+	option routers @T;
 }
 
 
@@ -22,7 +84,7 @@ host hq-cli {
 		hardware ethernet
 08:00:27:c7:82:fa;
 		fixed-address
-192.168.4.2;
+@S;
 }
 EOF
 chmod 600 /etc/dhcp/dhcpd.conf