[Serusers] 483 - too many hops error -
Morris, Scott
MorrisS at orau.gov
Tue Aug 10 20:29:08 CEST 2004
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 10.5.10.1:1759 -> 10.0.2.1:5060
REGISTER sip:comm01.orau.net SIP/2.0..Via: SIP/2.0/UDP
10.5.10.1:11478..Fro
m:
<sip:morriss at comm01.orau.net>;tag=d2ccaa85-ce19-4999-9c66-8dc83d6338bd..
To: <sip:morriss at comm01.orau.net>..Call-ID:
477cccac-37ac-439f-875a-df33542
05d82 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:
p
resence..Content-Length: 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
nW..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nW..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nX..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nX..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nY...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nY...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nZ..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nZ..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
n[..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
n[..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
n]..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
n]..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
n^..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
n^..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
n^..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
n^..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
n_..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
n_..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
nS..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nS..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nT..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nT..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nU...........comm01.orau.net.....
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nU...........comm01.orau.net.....................
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nV..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nV..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nW..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nW..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
nY..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nY..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nZ..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nZ..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
na..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
na..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nb..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nb..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
na..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
na..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nb..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nb..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
nd..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nd..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
ne..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
ne..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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
ng..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
ng..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
U 10.0.2.1:33128 -> 10.0.2.253:53
nh..........._sip._udp.comm01.orau.net..!..
#
U 10.0.2.253:53 -> 10.0.2.1:33128
nh..........._sip._udp.comm01.orau.net..!...orau.net..........&.lithium.+.a
dmin.+.. .......X..Q.....
#
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.....................
#
T 143.126.10.0 -> 2.1.0.0 +1540 at 8:28
..........[..~..............
#
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 comm01.orau.net>;tag=d2ccaa85-ce19-4999-9c66-8dc83d6338bd..To:
<sip:mo
rriss at comm01.orau.net>;tag=b27e1a1d33761e85846fc98f5f3a7e58.42f4..Call-ID:
477cccac-37ac-439f-875a-df3354205d82 at 10.5.10.1..CSeq: 1 REGISTER..Server:
S
ip EXpress router (0.8.12 (i386/linux))..Content-Length: 0..Warning: 392
10
.0.2.1:5060 "Noisy feedback tells: pid=11805 req_src_ip=10.0.2.1
req_src_p
ort=5060 in_uri=sip:comm01.orau.net out_uri=sip:comm01.orau.net
via_cnt==12
"....
#
U 10.0.2.253:68 -> 255.255.255.255:67
...........................................................................
...........................................................................
...........................................................................
...........c.Sc5..+.^..
#
U 10.0.2.253:67 -> 255.255.255.255:68
...........................................................................
...........................................................................
...........................................................................
...........c.Sc5..6...........+._.orau.net.................................
exit
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