[SR-Users] Kamailio IMS Implementation DNS Problem

Yağız AYDIN ygzaydns at gmail.com
Tue Jan 8 14:03:55 CET 2019


Hello, I am trying to implement Kamailio as IMS system. I have followed
tutorial linked below:

https://www.kamailio.org/wiki/tutorials/ims/installation-howto

When I try to configure my DNS, I cannot ping cscf modules on my local
network, however when I'm on wireless, I can ping them.

Config:

kamailio-ims.org.dnszone

$ORIGIN kamailio-ims.org.
$TTL 1W
@                       1D IN SOA       localhost. root.localhost. (
                                        2006101001      ; serial
                                        3H              ; refresh
                                        15M             ; retry
                                        1W              ; expiry
                                        1D )            ; minimum

                        1D IN NS        ns
ns                      1D IN A         127.0.0.1

pcscf                   1D IN A         127.0.0.1
_sip.pcscf              1D SRV 0 0 5060 pcscf
_sip._udp.pcscf         1D SRV 0 0 5060 pcscf
_sip._tcp.pcscf         1D SRV 0 0 5060 pcscf


icscf                   1D IN A         127.0.0.1
_sip                    1D SRV 0 0 5060 icscf
_sip._udp               1D SRV 0 0 5060 icscf
_sip._tcp               1D SRV 0 0 5060 icscf

kamailio-ims.org.       1D IN A         127.0.0.1
kamailio-ims.org.       1D IN NAPTR 10 50 "s" "SIP+D2U"    ""    _sip._udp
kamailio-ims.org.       1D IN NAPTR 20 50 "s" "SIP+D2T"    ""    _sip._tcp

scscf                   1D IN A         127.0.0.1
_sip.scscf              1D SRV 0 0 5060 scscf
_sip._udp.scscf         1D SRV 0 0 5060 scscf
_sip._tcp.scscf         1D SRV 0 0 5060 scscf

hss                     1D IN A         127.0.0.1

named.conf.options

options {
    directory "/var/cache/bind";

    // If there is a firewall between you and nameservers you want
    // to talk to, you may need to fix the firewall to allow multiple
    // ports to talk.  See http://www.kb.cert.org/vuls/id/800113

    // If your ISP provided one or more IP addresses for stable
    // nameservers, you probably want to use them as forwarders.
    // Uncomment the following block, and insert the addresses replacing
    // the all-0's placeholder.

    // forwarders {
    //     127.0.0.1;
    // };


//========================================================================
    // If BIND logs error messages about the root key being expired,
    // you will need to update your keys.  See https://www.isc.org/bind-keys

//========================================================================
    dnssec-validation auto;

    auth-nxdomain no;    # conform to RFC1035
    listen-on-v6 { any; };
};


named.conf.local

//
// Do any local configuration here
//

// Consider adding the 1918 zones here, if they are not used in your
// organization
//include "/etc/bind/zones.rfc1918";

zone "kamailio-ims.org" {
            type master;
            file "/etc/bind/kamailio-ims.org.dnszone";
};

dhclient.conf

# Configuration file for /sbin/dhclient.
#
# This is a sample configuration file for dhclient. See dhclient.conf's
#    man page for more information about the syntax of this file
#    and a more comprehensive list of the parameters understood by
#    dhclient.
#
# Normally, if the DHCP server provides reasonable information and does
#    not leave anything out (like the domain name, for example), then
#    few changes must be made to this file, if any.
#

option rfc3442-classless-static-routes code 121 = array of unsigned integer
8;

send host-name = gethostname();
request subnet-mask, broadcast-address, time-offset, routers,
    domain-name, domain-name-servers, domain-search, host-name,
    dhcp6.name-servers, dhcp6.domain-search, dhcp6.fqdn, dhcp6.sntp-servers,
    netbios-name-servers, netbios-scope, interface-mtu,
    rfc3442-classless-static-routes, ntp-servers;

#send dhcp-client-identifier 1:0:a0:24:ab:fb:9c;
#send dhcp-lease-time 3600;
#supersede domain-name "fugue.com home.vix.com";
prepend domain-name-servers 127.0.0.1;
#require subnet-mask, domain-name-servers;
timeout 300;
#retry 60;
#reboot 10;
#select-timeout 5;
#initial-interval 2;
#script "/sbin/dhclient-script";
#media "-link0 -link1 -link2", "link0 link1";
#reject 192.33.137.209;

#alias {
#  interface "eth0";
#  fixed-address 192.5.5.213;
#  option subnet-mask 255.255.255.255;
#}

#lease {
#  interface "eth0";
#  fixed-address 192.33.137.200;
#  medium "link0 link1";
#  option host-name "andare.swiftmedia.com";
#  option subnet-mask 255.255.255.0;
#  option broadcast-address 192.33.137.255;
#  option routers 192.33.137.250;
#  option domain-name-servers 127.0.0.1;
#  renew 2 2000/1/12 00:00:01;
#  rebind 2 2000/1/12 00:00:01;
#  expire 2 2000/1/12 00:00:01;
#}

Thanks for helps,
Yağız

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