[Serusers] RE: 483 - too many hops error - - Sorry, I attached wrong ngrep, correct is now in the email.

Morris, Scott MorrisS at orau.gov
Tue Aug 10 20:37:56 CEST 2004


 Sorry, I attached wrong ngrep, correct is now in the email.

Scott Morris
Enterprise Network Engineer
DOE - ORAU / ORISE
865-576-4672


-----Original Message-----
From: Morris, Scott 
Sent: Tuesday, August 10, 2004 2:29 PM
To: serusers at lists.iptel.org
Subject: 483 - too many hops error - 


I found documentation on the 483 - too many hops error and what to do about
it, but I guess I don't have a handle one the concept, just like many others
I guess.  Here is the information I am using.

	Sign-in name - morriss at orau.net
	username	 - morriss
	password	 - xxxx
	
	my workstation is 10.5.10.1
	SER server is 10.0.2.1 (comm01.orau.gov)

	the sip service records for dns are comm01.orau.gov
	
	SER version - 8.12 running on Redhat 3.0 ES
	workstation software - Windows Messenger 4.7.2009

Please take a look at the ser.cfg and ngrep below and see where I have the
uri not set properly.  And can more detail be provided on the aliases
command?

Thanks.

Scott Morris
Enterprise Network Engineer
DOE - ORAU / ORISE
865-576-4672

Ser.cfg
=====================================================

# $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $
#
# simple quick-start config script
#

# ----------- global configuration parameters ------------------------

#debug=3         # debug level (cmd line: -dddddddddd)
#fork=yes
#log_stderror=no        # (cmd line: -E)

/* Uncomment these lines to enter debugging mode 

debug=7
fork=no
log_stderror=yes
*/

check_via=no    # (cmd. line: -v)
dns=no           # (cmd. line: -r)
rev_dns=no      # (cmd. line: -R)
#port=5060
#children=4
fifo="/tmp/ser_fifo"

# ------------------ module loading ----------------------------------

# Uncomment this if you want to use SQL database
#loadmodule "/usr/lib/ser/modules/mysql.so"

loadmodule "/usr/lib/ser/modules/sl.so"
loadmodule "/usr/lib/ser/modules/tm.so"
loadmodule "/usr/lib/ser/modules/rr.so"
loadmodule "/usr/lib/ser/modules/maxfwd.so"
loadmodule "/usr/lib/ser/modules/usrloc.so"
loadmodule "/usr/lib/ser/modules/registrar.so"

loadmodule "/usr/lib/ser/modules/auth_radius.so"

# Uncomment this if you want digest authentication
# mysql.so must be loaded !
loadmodule "/usr/lib/ser/modules/auth.so"
#loadmodule "/usr/lib/ser/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)

# radius
modparam("auth_radius", "service_type", 15 ) modparam("auth_radius",
"radius_config", "/etc/radiusclient/radiusclient.conf")

# -------------------------  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");
                break;
        };
        if ( msg:len > max_len ) {
                sl_send_reply("513", "Message too big");
                break;
        };

        # we 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
        record_route();
        # loose-route processing
        if (loose_route()) {
                t_relay();
                break;
        };

        # if the request is for other domain use UsrLoc
        # (in case, it does not work, use the following command
        # with proper names and addresses in it)
        if (uri==myself) {

                if (method=="REGISTER") {

# Uncomment this if you want to use digest authentication
                        if (!radius_www_authorize("orau.net")) {
                                www_challenge("orau.net", "1");
                                break;
                        };

                        save("location");
                        break;
                };

                # native SIP destinations are handled using our USRLOC DB
                if (!lookup("location")) {
                        sl_send_reply("404", "Not Found");
                        break;
                };
        };
        # forward to current uri now; use stateful forwarding; that
        # works reliably even if we forward from TCP to UDP
        if (!t_relay()) {
                sl_reply_error();
        };

}

 

Grep
=====================================================
interface: eth0 (10.0.0.0/255.255.0.0)
#
U 10.5.10.1:1765 -> 10.0.2.1:5060
  REGISTER sip:orau.net SIP/2.0..Via: SIP/2.0/UDP 10.5.10.1:11478..From:
<sip
  :morriss at orau.net>;tag=c6436765-3d9a-4a10-ae23-c05fbcce10e7..To:
<sip:morri
  ss at orau.net>..Call-ID:
b1ea53ea-e136-4143-9b9c-ebe110cdd814 at 10.5.10.1..CSeq
  : 1 REGISTER..Contact: <sip:10.5.10.1:11478>;methods="INVITE, MESSAGE,
INFO
  , SUBSCRIBE, OPTIONS, BYE, CANCEL, NOTIFY, ACK"..User-Agent: Windows
RTC/1.
  0..Expires: 1200..Event: registration..Allow-Events:
presence..Content-Leng
  th: 0....
#
T 143.126.10.0 -> 2.1.0.0 +1540 at 8:28
  ..........[..~..............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nF..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nF..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nG...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nG...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nf..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nf..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  ng...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  ng...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nh..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nh..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  ni...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  ni...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nl..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nl..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nm...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nm...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  ne..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
ne..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nf...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nf...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nw..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nw..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nx...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nx...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  n`..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
n`..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  na...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  na...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nn..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nn..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  no...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  no...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nH..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nH..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nI...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nI...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nm..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nm..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nn...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nn...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  ny..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
ny..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nz...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nz...........comm01.orau.net.....................
#
U 10.0.2.1:5060 -> 10.5.10.1:11478
  SIP/2.0 483 Too Many Hops..Via: SIP/2.0/UDP 10.5.10.1:11478..From:
<sip:mor
  riss at orau.net>;tag=c6436765-3d9a-4a10-ae23-c05fbcce10e7..To:
<sip:morriss at o
  rau.net>;tag=b27e1a1d33761e85846fc98f5f3a7e58.d78f..Call-ID:
b1ea53ea-e136-
  4143-9b9c-ebe110cdd814 at 10.5.10.1..CSeq: 1 REGISTER..Server: Sip EXpress
rou
  ter (0.8.12 (i386/linux))..Content-Length: 0..Warning: 392 10.0.2.1:5060
"N
  oisy feedback tells:  pid=11802 req_src_ip=10.0.2.1 req_src_port=5060
in_ur
  i=sip:orau.net out_uri=sip:orau.net via_cnt==12"....
#
U 10.0.2.230:138 -> 10.0.2.255:138
  .............. EMEBEOEEEFFDELCACACACACACACACACA.
EPFCEBFFCACACACACACACACACA
 
CACABO..SMB%..............................D...................D.V.........U
  .\MAILSLOT\BROWSE.......LANDESK.................U.Landesk - Desktop
Managem
  ent Server.
#
U 10.5.10.1:1766 -> 10.0.2.1:5060
  REGISTER sip:orau.net SIP/2.0..Via: SIP/2.0/UDP 10.5.10.1:11478..From:
<sip
  :morriss at orau.net>;tag=2496eef8-3160-45e3-b511-428bd3aa5227..To:
<sip:morri
  ss at orau.net>..Call-ID:
c230c295-6be4-4e73-b908-30f896694342 at 10.5.10.1..CSeq
  : 1 REGISTER..Contact: <sip:10.5.10.1:11478>;methods="INVITE, MESSAGE,
INFO
  , SUBSCRIBE, OPTIONS, BYE, CANCEL, NOTIFY, ACK"..User-Agent: Windows
RTC/1.
  0..Expires: 1200..Event: registration..Allow-Events:
presence..Content-Leng
  th: 0....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  ng..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
ng..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nh...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nh...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  no..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
no..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  np...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  np...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nj..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nj..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nk...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nk...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  np..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
np..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nq...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nq...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nb..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nb..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nc...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nc...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  ns..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
ns..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nt...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nt...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nl..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nl..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nm...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nm...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nJ..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nJ..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nK...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nK...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  ni..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
ni..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nj...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nj...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  n{..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
n{..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  n|...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  n|...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nu..........._sip._udp.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
 
nu..........._sip._udp.orau.net..!.....!...............comm01.orau.net..6..
  ............
#
U 10.0.2.1:33128 -> 10.0.2.253:53
  nv...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
  nv...........comm01.orau.net.....................
#
U 10.0.2.1:5060 -> 10.5.10.1:11478
  SIP/2.0 483 Too Many Hops..Via: SIP/2.0/UDP 10.5.10.1:11478..From:
<sip:mor
  riss at orau.net>;tag=2496eef8-3160-45e3-b511-428bd3aa5227..To:
<sip:morriss at o
  rau.net>;tag=b27e1a1d33761e85846fc98f5f3a7e58.729a..Call-ID:
c230c295-6be4-
  4e73-b908-30f896694342 at 10.5.10.1..CSeq: 1 REGISTER..Server: Sip EXpress
rou
  ter (0.8.12 (i386/linux))..Content-Length: 0..Warning: 392 10.0.2.1:5060
"N
  oisy feedback tells:  pid=11809 req_src_ip=10.0.2.1 req_src_port=5060
in_ur
  i=sip:orau.net out_uri=sip:orau.net via_cnt==12"....
#
T 143.126.10.0 -> 2.1.0.0 +1540 at 8:28
  ..........[..~..............
exit
155 received, 0 dropped




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