[OLSR-users] Can't set broadcast address in olsrd.conf - olsrd 0.49

Rae Harbird (spam-protected)
Thu Jun 30 17:14:06 CEST 2005


Hi

I am having some problems with a small network of 4 nodes I am setting 
up. Each node is running olsr. Specifically, the problem is that the 
operation of OLSR seems to be correct but when I send ping packets 
between nodes, I am seeing lots of duplicate packets. Before I get 
bogged down in alot of detail I just want to check that the olsr 
configuration is correct.  Perhaps someone can verify that I haven't 
made any silly mistakes.

I have included configuration and debug information for one node. I 
notice that if I try to set the broadcast address in the configuration 
file, I get the error listed below, if it's commented out, I do not get 
the error reported.


Thanks

Rae
======




ifconfig eth0:

eth0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.20.4 netmask 0xffffff00 broadcast 192.168.20.255
        ether 00:0a:0b:0a:0b:04

Debug output from olsrd:
Parsing file: "/etc/olsrd.conf"
 *** olsrd configuration ***
Debug Level      : 9
IpVersion        : 4
No interfaces    : ALLOWED
TOS              : 0x10
Willingness      : AUTO
IPC connections  : 0
        Host 127.0.0.1
Pollrate         : 0.05
TC redundancy    : 0
MPR coverage     : 1
LQ level         : 0
LQ window size   : 10
Clear screen     : yes
Interfaces:
 dev: "eth0"
        IPv4 broadcast           : 192.168.20.255
        IPv6 addrtype            : site-local
        IPv6 multicast site/glbl : ff05::15/ff0e::1
        HELLO emission/validity  : 2.00/6.00
        TC emission/validity     : 5.00/15.00
        MID emission/validity    : 5.00/15.00
        HNA emission/validity    : 5.00/15.00
Not using hysteresis
Initializing parser...
Parser: registering event for type 1
Register parse function: Added function for type 1
Parser: registering event for type 2
Register parse function: Added function for type 2
Parser: registering event for type 3
Register parse function: Added function for type 3
Parser: registering event for type 4
Register parse function: Added function for type 4
Scheduler event registered int: 20.00
Could not read APM info - setting default willingness(3)
Using IP version 4

 ---- Interface configuration ----

Checking eth0:
        Not a wireless interface
        Metric: 6
        MTU - IPhdr: 1472
        Index 0
        Address:192.168.20.2
        Netmask:255.255.255.0
        Broadcast address:192.168.20.255
Adding OLSR socket entry 5
New main address: 192.168.20.2
Scheduler event registered int: 2.00
Scheduler event registered int: 5.00
Scheduler event registered int: 5.00
Scheduler event registered int: 5.00
Scheduler event registered int: 5.00
Scheduler event registered int: 0.60
Initializing duplicatetable - hashsize 32
Scheduler event registered int: 2.00
TC: init topo
MPRS: Init
MID: init
Scheduler event registered int: 1.00
Scheduler event registered int: 1.00
Loading plugins...

Main address: 192.168.20.2

Scheduler started - polling every 0.05 seconds
Max jitter is 0.500000

sendto(v4): Address family not supported by protocol family
sendto(v4): Address family not supported by protocol family
sendto(v4): Address family not supported by protocol family
sendto(v4): Address family not supported by protocol family





configuration file:

#
# olsr.org OLSR daemon config file
#
# Lines starting with a # are discarded
#
# This file was shipped with olsrd 0.4.9
#

# Debug level(0-9)
# If set to 0 the daemon runs in the background

DebugLevel      9

# IP version to use (4 or 6)

IpVersion       4

# Clear the screen each time the internal state changes

ClearScreen     yes

# HNA IPv4 routes
# syntax: netaddr netmask
# Example Internet gateway:
# 0.0.0.0 0.0.0.0

Hna4
{
#   Internet gateway:
#   0.0.0.0      0.0.0.0
#   more entries can be added:
#   192.168.1.0  255.255.255.0
}

# HNA IPv6 routes
# syntax: netaddr prefix
# Example Internet gateway:
Hna6
{
#   Internet gateway:
#   ::              0
#   more entries can be added:
#   fec0:2200:106:: 48
}


# Should olsrd keep on running even if there are
# no interfaces available? This is a good idea
# for a PCMCIA/USB hotswap environment.
# "yes" OR "no"

AllowNoInt      yes

# TOS(type of service) value for
# the IP header of control traffic.
# If not set it will default to 16

#TosValue       16

# The fixed willingness to use(0-7)
# If not set willingness will be calculated
# dynamically based on battery/power status
# if such information is available

#Willingness            4

# Allow processes like the GUI front-end
# to connect to the daemon.

IpcConnect
{
     # Determines how many simultaneously
     # IPC connections that will be allowed
     # Setting this to 0 disables IPC

     MaxConnections  0

     # By default only 127.0.0.1 is allowed
     # to connect. Here allowed hosts can
     # be added

     Host            127.0.0.1
     #Host            10.0.0.5

     # You can also specify entire net-ranges
     # that are allowed to connect. Multiple
     # entries are allowed

     #Net             192.168.1.0 255.255.255.0
}

# Wether to use hysteresis or not
# Hysteresis adds more robustness to the
# link sensing but delays neighbor registration.
# Used by default. 'yes' or 'no'

UseHysteresis   no

# Hysteresis parameters
# Do not alter these unless you know
# what you are doing!
# Set to auto by default. Allowed
# values are floating point values
# in the interval 0,1
# THR_LOW must always be lower than
# THR_HIGH.

HystScaling     0.50
HystThrHigh     0.80
HystThrLow      0.30

# Link quality level
# 0 = do not use link quality
# 1 = use link quality for MPR selection
# 2 = use link quality for MPR selection and routing
# Defaults to 0

#LinkQualityLevel       0

# Link quality window size
# Defaults to 10

#LinkQualityWinSize     10

# Polling rate in seconds(float).
# Default value 0.05 sec

Pollrate        0.05


# TC redundancy
# Specifies how much neighbor info should
# be sent in TC messages
# Possible values are:
# 0 - only send MPR selectors
# 1 - send MPR selectors and MPRs
# 2 - send all neighbors
#
# defaults to 0

#TcRedundancy   0


#
# MPR coverage
# Specifies how many MPRs a node should
# try select to reach every 2 hop neighbor
#
# Can be set to any integer >0
#
# defaults to 1

#MprCoverage    1


# Olsrd plugins to load
# This must be the absolute path to the file
# or the loader will use the following scheme:
# - Try the paths in the LD_LIBRARY_PATH
#   environment variable.
# - The list of libraries cached in /etc/ld.so.cache
# - /lib, followed by /usr/lib

# Example plugin entry with parameters:

#LoadPlugin "olsrd_dyn_gw.so.0.3"
#{
    # Here parameters are set to be sent to the
    # plugin. Theese are on the form "key" "value".
    # Parameters ofcause, differs from plugin to plugin.
    # Consult the documentation of your plugin for details.

    # Example: dyn_gw params

    # how often to check for Internet connectivity
    # defaults to 5 secs
#   PlParam     "Interval"   "40"

    # if one or more IPv4 addresses are given, do a ping on these in
    # descending order to validate that there is not only an entry in
    # routing table, but also a real internet connection. If any of
    # these addresses could be pinged successfully, the test was
    # succesful, i.e. if the ping on the 1st address was successful,the
    # 2nd won't be pinged
#   PlParam     "Ping"       "141.1.1.1"
#   PlParam     "Ping"       "194.25.2.129"
#}



# Interfaces and their rules
# Omitted options will be set to the
# default values. Multiple interfaces
# can be specified in the same block
# and multiple blocks can be set.

# !!CHANGE THE INTERFACE LABEL(s) TO MATCH YOUR INTERFACE(s)!!
# (eg. wlan0 or eth1):
# Interface "XXX" "YYY"

Interface "eth0"
{

    # IPv4 broadcast address to use. The
    # one usefull example would be 255.255.255.255
    # If not defined the broadcastaddress
    # every card is configured with is used

    # Ip4Broadcast              255.255.255.255
    # Rae: Change this to see if it fixes problem
    Ip4Broadcast                192.168.20.255

    # IPv6 address scope to use.
    # Must be 'site-local' or 'global'

    # Ip6AddrType               site-local

    # IPv6 multicast address to use when
    # using site-local addresses.
    # If not defined, ff05::15 is used

    # Ip6MulticastSite          ff05::11

    # IPv6 multicast address to use when
    # using global addresses
    # If not defined, ff0e::1 is used

    # Ip6MulticastGlobal        ff0e::1


    # Emission intervals.
    # If not defined, RFC proposed values will
    # be used in most cases.

    # Hello interval in seconds(float)
    # HelloInterval    2.0

    # HELLO validity time
    # HelloValidityTime 6.0

    # TC interval in seconds(float)
    # TcInterval        5.0

    # TC validity time
    # TcValidityTime    15.0

    # MID interval in seconds(float)
    # MidInterval       5.0

    # MID validity time
    # MidValidityTime   15.0

    # HNA interval in seconds(float)
    # HnaInterval       5.0

    # HNA validity time
    # HnaValidityTime   15.0

    # When multiple links exist between hosts
    # the weight of interface is used to determine
    # the link to use. Normally the weight is
    # automatically calculated by olsrd based
    # on the characteristics of the interface,
    # but here you can specify a fixed value.
    # Olsrd will choose links with the lowest value.

    # Weight 0


}







 



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