Secondly, if you are trying to resolve 2 different Local IPs to the same
server (in your case 192.168.1.112 and 192.168.1.113), one of any of these
should happen:
1. you should either have 2 network card interfaces in your server, or
2. Linux does this thing where it is able to split a single (physical) NIC
interface into seperate virtual interfaces (e.g. for a single interface *
eth0* splits it into *eth0:0* for the 1st virtual interface and *eth0:1*
for
the 2nd, etc). The process is called *IP aliasing*. You should then
allocate
the 2 local IPs to the 2 virtual interfaces like so:
eth0:0 -> 192.168.1.112, and
eth0:1 -> 192.168.1.113
commands are something like this:
ifconfig eth0 *XXX.XXX.XXX.XXX* netmask 255.255.255.0 broadcast *
XXX.XXX.XXX*.255
ifconfig eth0:0 192.168.1.112 netmask 255.255.255.0 broadcast
192.168.1.255
ifconfig eth0:1 192.168.1.113 netmask 255.255.255.0 broadcast
192.168.1.255
route add -host *XXX.XXX.XXX.XXX* dev eth0
route add -host 192.168.1.112 dev eth0
route add -host 192.168.1.113 dev eth0
route add default gw <Gateway IP>
where *XXX.XXX.XXX.XXX* in the 1st instance refers to another local IP e.g.
192.168.1.3.
(I am no Linux guru so maybe the gurus here could pipe in). :)
Method 1 is probably the simpler and more straight-forward, but if you
can't
afford 2 NICs I don't think Method 2 will be too difficult either.
Simply putting the entries in etc/hosts is not enough as the server
needs to
be able to identify them as 2 separate instances. This is why you are
getting that error - it's because only one interface was identified and
that
has already been "bound" to the first Local IP (192.168.1.112).
Also, if I understand your *ifconfig* output correctly, then this is not
setup correctly. You seem to be mixing private and public IP addresses. If
you are going through a router or NATed environement you don't need
to assign the external interfaces to the NIC(s), nor do you specifically
need to define them in your openser.cfgs (i.e. listen=external IP). You
only
need this if you are in a non-NATed environment, so it's a case of either
or.
Hope that made sense.
On 05/01/07, Gerardo Amaya <[EMAIL PROTECTED]> wrote:
Hello All. I'm trying to install 2 Instances of openser on the same
machine with the following interfaces:
Instance #1 -----> 172.16.18.2 and 192.168.1.112
Instance #2 -----> 172.16.1.2 and 192.168.1.113
I made one installation on the default OpenSER folders and one in the
/usr/loca/openser_1/
The configuration went quite smooth. The first instance of the server is
running with no problem at all, but when I try to start the second
instance I got an error that it was unable to resolve the IP addresses I
add the following lines to the /etc/hosts file:
### OpenSER 1st interface configuration ####
192.168.1.112 openser1_internal
172.16.18.2 openser1_external
### OpenSER 1st Interface configuration ####
### OpenSER 2nd Interface configuration ####
192.168.1.113 openser1_internal
172.16.1.2 openser1_external
### OpenSER 2nd Interface configuration ####
After that Now I have the following error:
Jan 5 17:26:30 atel-router ./openser[17772]: ERROR: tcp_init: bind(7,
0x813e194, 16) on 192.168.1.112:5060 : Address already in use
Any Help will be appreciated, of better is there a How-to on OpenSER
multiple instances please let me know.
Thanks in advance
Gerardo Amaya
Here is the configuration file for each instance:
OpenSER.cfg Instance #1
#
# $Id: ser.cfg,v 1.25.2.1 2005/02/18 14:30:44 andrei Exp $
#
# simple quick-start config script
#
# ----------- global configuration parameters ------------------------
debug=5 # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no # (cmd line: -E)
/* Uncomment these lines to enter debugging mode
#fork=no
#log_stderror=yes
*/
check_via=no # (cmd. line: -v)
dns=no # (cmd. line: -r)
rev_dns=no # (cmd. line: -R)
listen=192.168.1.112
listen=172.16.18.2
port=5060
mhomed=1
children=4
fifo="/tmp/ser_fifo"
# ------------------ module loading ----------------------------------
# Uncomment this if you want to use SQL database
loadmodule "/usr/local/lib/openser/modules/mysql.so"
loadmodule "/usr/local/lib/openser/modules/sl.so"
loadmodule "/usr/local/lib/openser/modules/tm.so"
loadmodule "/usr/local/lib/openser/modules/rr.so"
loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/lib/openser/modules/registrar.so"
loadmodule "/usr/local/lib/openser/modules/textops.so"
loadmodule "/usr/local/lib/openser/modules/uri.so"
loadmodule "/usr/local/lib/openser/modules/uri_db.so"
loadmodule "/usr/local/lib/openser/modules/domain.so"
loadmodule "/usr/local/lib/openser/modules/mediaproxy.so"
loadmodule "/usr/local/lib/openser/modules/nathelper.so"
# Uncomment this if you want digest authentication
# mysql.so must be loaded !
loadmodule "/usr/local/lib/openser/modules/auth.so"
loadmodule "/usr/local/lib/openser/modules/auth_db.so"
# ----------------- setting module-specific parameters ---------------
# -- usrloc params --
#modparam("usrloc", "db_mode", 0)
# Uncomment this if you want to use SQL database
# for persistent storage and comment the previous line
modparam("usrloc", "db_mode", 2)
# -- auth params --
# Uncomment if you are using auth module
#
#modparam("auth_db", "calculate_ha1", yes)
#
# If you set "calculate_ha1" parameter to yes (which true in this
config),
# uncomment also the following parameter)
#
#modparam("auth_db", "password_column", "password")
# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)
# -- nathelper and mediaproxy params --
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "rtpproxy_sock", "unix:/var/run/rtpproxy.sock")
# -- End of nathelper and mediaproxy params --
# -- auth_db database params for domain.so module to work properly --
modparam("auth_db|domain|uri_db|usrloc","db_url","
mysql://root:[EMAIL PROTECTED]/openser")
modparam("auth_db", "calculate_ha1", 1)
modparam("auth_db", "password_column", "password")
# -- End of database params --
# ------------------------- request routing logic -------------------
# main routing logic
route{
# initial sanity checks -- messages with
# max_forwards==0, or excessively long requests
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","Too Many Hops");
return;
};
if (msg:len >= 2048 ) {
sl_send_reply("513", "Message too big");
return;
};
if (method == "REGISTER" || ! search("^Record-Route:")) {
fix_nated_contact(); # Rewrite contact with source IP of
signalling
#if (method == "INVITE") {
# fix_nated_sdp("1"); # Add direction=active to SDP
#};
force_rport(); # Add rport parameter to topmost Via
}
if (method == "INVITE") {
if (dst_ip == 192.168.1.112){
if (force_rtp_proxy("FAII"))
t_on_reply("1");
} else if (dst_ip == 172.16.18.2){
if (force_rtp_proxy("FAEI"))
t_on_reply("1");
} else if (dst_ip == 192.168.1.112){
if (force_rtp_proxy("FAIE"))
t_on_reply("1");
} else if (dst_ip == 172.16.18.2){
if (force_rtp_proxy("FAEE"))
t_on_reply("1");
}
};
# Record-route all messages -- to make sure that
# subsequent messages will go through our proxy; that's
# particularly good if upstream and downstream entities
# use different transport protocol
# This is the Call Tear Down Section
if (method=="BYE" || method=="CANCEL") {
unforce_rtp_proxy();
};
route(1);
}
route[1] {
t_on_reply("1");
#force_rtp_proxy();
t_relay("udp:192.168.1.2:5060");
}
onreply_route[1] {
if (!search("^Content-Length:[ ]*0")) {
force_rtp_proxy();
};
if (nat_uac_test("1")) {
fix_nated_contact();
};
}
OpenSER.cfg Instance #2
#
# $Id: ser.cfg,v 1.25.2.1 2005/02/18 14:30:44 andrei Exp $
#
# simple quick-start config script
#
# ----------- global configuration parameters ------------------------
debug=5 # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no # (cmd line: -E)
/* Uncomment these lines to enter debugging mode
#fork=no
#log_stderror=yes
*/
check_via=no # (cmd. line: -v)
dns=no # (cmd. line: -r)
rev_dns=no # (cmd. line: -R)
listen=udp:192.168.1.113:5060
listen=udp:172.16.1.2:5060
#port=5060
mhomed=1
children=4
fifo="/tmp/ser_fifo2"
# ------------------ module loading ----------------------------------
# Uncomment this if you want to use SQL database
loadmodule "/usr/local/lib/openser/modules/mysql.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/sl.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/tm.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/rr.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/registrar.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/textops.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/uri.so"loadmodule
"/usr/local/openser_1/lib/openser/modules/nathelper.so"
# Uncomment this if you want digest authentication
# mysql.so must be loaded !
loadmodule "/usr/local/openser_1/lib/openser/modules/auth.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/auth_db.so"
# ----------------- setting module-specific parameters ---------------
# -- usrloc params --
#modparam("usrloc", "db_mode", 0)
# Uncomment this if you want to use SQL database
# for persistent storage and comment the previous line
modparam("usrloc", "db_mode", 2)
# -- auth params --
# Uncomment if you are using auth module
#
#modparam("auth_db", "calculate_ha1", yes)
#
# If you set "calculate_ha1" parameter to yes (which true in this
config),
# uncomment also the following parameter)
#
#modparam("auth_db", "password_column", "password")
# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)
# -- nathelper and mediaproxy params --
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "rtpproxy_sock", "unix:/var/run/rtpproxy_1.sock")
# -- End of nathelper and mediaproxy params --
# -- auth_db database params for domain.so module to work properly --
modparam("auth_db|domain|uri_db|usrloc","db_url","
mysql://root:[EMAIL PROTECTED]/openser")
modparam("auth_db", "calculate_ha1", 1)
modparam("auth_db", "password_column", "password")
# -- End of database params --
# ------------------------- request routing logic -------------------
# main routing logic
route{
# initial sanity checks -- messages with
# max_forwards==0, or excessively long requests
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","Too Many Hops");
return;
};
if (msg:len >= 2048 ) {
sl_send_reply("513", "Message too big");
return;
};
if (method == "REGISTER" || ! search("^Record-Route:")) {
fix_nated_contact(); # Rewrite contact with source IP of
signalling
#if (method == "INVITE") {
# fix_nated_sdp("1"); # Add direction=active to SDP
#};
force_rport(); # Add rport parameter to topmost Via
}
if (method == "INVITE") {
if (dst_ip == 192.168.1.113){
if (force_rtp_proxy("FAII"))
t_on_reply("1");
} else if (dst_ip == 172.16.1.2){
if (force_rtp_proxy("FAEI"))
t_on_reply("1");
} else if (dst_ip == 192.168.1.113){
if (force_rtp_proxy("FAIE"))
t_on_reply("1");
t_on_reply("1");
} else if (dst_ip == 192.168.1.113){
if (force_rtp_proxy("FAIE"))
t_on_reply("1");
} else if (dst_ip == 172.16.1.2){
if (force_rtp_proxy("FAEE"))
t_on_reply("1");
}
};
# Record-route all messages -- to make sure that
# subsequent messages will go through our proxy; that's
# particularly good if upstream and downstream entities
# use different transport protocol
# This is the Call Tear Down Section
if (method=="BYE" || method=="CANCEL") {
unforce_rtp_proxy();
};
route(1);
}
route[1] {
t_on_reply("1");
#force_rtp_proxy();
t_relay("udp:192.168.1.2:5060");
}
onreply_route[1] {
if (!search("^Content-Length:[ ]*0")) {
force_rtp_proxy();
};
if (nat_uac_test("1")) {
fix_nated_contact();
};
}
loadmodule "/usr/local/openser_1/lib/openser/modules/uri_db.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/domain.so"
loadmodule "/usr/local/openser_1/lib/openser/modules/mediaproxy.so"
ifconfig output
eth0 Link encap:Ethernet HWaddr 00:0E:2E:0A:61:68
inet addr:172.16.18.2 Bcast:172.16.18.255 Mask:255.255.255.0
inet6 addr: fe80::20e:2eff:fe0a:6168/64 Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:216465 errors:0 dropped:0 overruns:0 frame:0
TX packets:323925 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:18190685 (17.3 MiB) TX bytes:118579358 (113.0 MiB)
Interrupt:185 Base address:0xaf00
eth1 Link encap:Ethernet HWaddr 00:0E:2E:06:EC:17
inet addr:172.16.1.2 Bcast:172.16.1.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:209 Base address:0xce00
eth2 Link encap:Ethernet HWaddr 00:0C:76:BE:E5:87
inet addr:192.168.1.112 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20c:76ff:febe:e587/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1155321 errors:0 dropped:0 overruns:0 frame:0
TX packets:664343 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:187622098 (178.9 MiB) TX bytes:125573054 (119.7 MiB)
Interrupt:217 Base address:0xed00
eth2:0 Link encap:Ethernet HWaddr 00:0C:76:BE:E5:87
inet addr:192.168.1.113 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:217 Base address:0xed00
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