Wednesday, 22 July 2015

Files for dns and dhcp


# Public
192.9.201.183    rac1.shilpa.com        rac1
192.9.201.187    rac2.shilpa.com        rac2

#Private
192.9.201.173    rac1-priv.shilpa.com        rac1-priv
192.9.201.187    rac2-priv.shilpa.com        rac2-priv

#Virtual
192.9.201.173    rac1-vip.shilpa.com        rac1-vip
192.9.201.177    rac2-vip.shilpa.com        rac2-vip

#Scan
192.9.201.163    rac-scan.shilpa.com        rac-scan
192.9.201.167    rac-scan.shilpa.com        rac-scan
192.9.201.169    rac-scan.shilpa.com        rac-scan

Netmask:255.255.255.0
Default gateway IP : 192.9.201.2
Primary DNS Server : 192.9.201.59
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[root@server1 Desktop]# cat /var/named/forward.zone
$TTL 1D
@    IN SOA    server1.shilpa.com. root.server1.shilpa.com. (
                    0    ; serial
                    1D    ; refresh
                    1H    ; retry
                    1W    ; expire
                    3H )    ; minimum
        NS    server1.shilpa.com.
server1        A    192.9.201.59
rac1        A    192.9.201.183
rac2        A    192.9.201.187
rac3        A    192.9.201.189
host01        A    192.9.201.23
host02        A    192.9.201.27
rac1-priv    A    10.0.0.1
rac2-priv    A    10.0.0.2
rac3-priv    A    10.0.0.3
cluster01-gns    A    192.9.201.180
    AAAA    ::1
$ORIGIN        cluster01.shilpa.com.
@    IN      NS    cluster01-gns.shilpa.com.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[root@server1 Desktop]# cat /var/named/reverse.zone
$TTL 1D
@    IN SOA    server1.shilpa.com. root.server1.shilpa.com. (
                    0    ; serial
                    1D    ; refresh
                    1H    ; retry
                    1W    ; expire
                    3H )    ; minimum
    NS    server1.shilpa.com.
    A    192.9.201.59
    AAAA    ::1
59    PTR    server1.shilpa.com.
183    PTR    rac1.shilpa.com.
187    PTR    rac2.shilpa.com.
189    PTR    rac3.shilpa.com.
23    PTR    host01.shilpa.com.
27    PTR    host02.shilpa.com.
180    PTR    cluster01-gns.shilpa.com.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[root@server1 Desktop]# cat /var/named/reverse1.zone
$TTL 1D
@    IN SOA    server1.shilpa.com. root.server1.shilpa.com. (
                    0    ; serial
                    1D    ; refresh
                    1H    ; retry
                    1W    ; expire
                    3H )    ; minimum
    NS    server1.shilpa.com.
    A    192.9.201.59
    AAAA    ::1
1    PTR    rac1-priv.shilpa.com.
2    PTR    rac2-priv.shilpa.com.
3    PTR    rac3-priv.shilpa.com.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[root@server1 Desktop]# cat /var/named/chroot/etc/named.conf
//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//

options {
    listen-on port 53 { 192.9.201.59; };
#    listen-on-v6 port 53 { ::1; };
    directory     "/var/named";
    dump-file     "/var/named/data/cache_dump.db";
        statistics-file "/var/named/data/named_stats.txt";
        memstatistics-file "/var/named/data/named_mem_stats.txt";
    allow-query     { any; };
    recursion yes;

    dnssec-enable yes;
    dnssec-validation no;
    dnssec-lookaside auto;

    /* Path to ISC DLV key */
    bindkeys-file "/etc/named.iscdlv.key";

    managed-keys-directory "/var/named/dynamic";
};

logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};

zone "." IN {
    type hint;
    file "named.ca";
};

include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[root@server1 Desktop]# cat /etc/named.rfc1912.zones
// named.rfc1912.zones:
//
// Provided by Red Hat caching-nameserver package
//
// ISC BIND named zone configuration for zones recommended by
// RFC 1912 section 4.1 : localhost TLDs and address zones
// and http://www.ietf.org/internet-drafts/draft-ietf-dnsop-default-local-zones-02.txt
// (c)2007 R W Franks
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//

zone "shilpa.com" IN {
    type master;
    file "forward.zone";
    allow-transfer { 192.9.201.59; };
};

zone "localhost" IN {
    type master;
    file "named.localhost";
    allow-update { none; };
};

zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
    type master;
    file "named.loopback";
    allow-update { none; };
};

zone "201.9.192.in-addr.arpa" IN {
    type master;
    file "reverse.zone";
};

zone "0.0.10.in-addr.arpa" IN {
    type master;
    file "reverse1.zone";
};
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[root@server1 Desktop]# cat /etc/dhcp/dhcpd.conf
# dhcpd.conf
#
# Subnet Declaration

subnet 192.9.201.0 netmask 255.255.255.0 {
        option routers                  192.9.201.1;
        option subnet-mask              255.255.255.0;
        option domain-search              "shilpa.com";
        option domain-name-servers       192.9.201.59;
        option time-offset              -18000;     # Eastern Standard Time
#    range 192.9.201.190 192.9.201.254;
}

# Use this to enble / disable dynamic dns updates globally.
ddns-update-style interim;

# 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 local6;

# Range Parameter

default-lease-time 1600;
max-lease-time 7200;
option subnet-mask 255.255.255.0;
option routers 192.9.201.1;
option domain-name-servers 192.9.201.59;
option domain-search "shilpa.com";
subnet 192.9.201.0 netmask 255.255.255.0 {
   range 192.9.201.190 192.9.201.254;
}

# Static IP Address Using DHCP

host ns {
   next-server marvin.redhat.com;
   hardware ethernet 12:34:56:78:AB:CD;
   fixed-address 207.175.42.254;
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

No comments:

Post a Comment