[olsr-dev] olsrd-0.4.8

Andreas T√łnnesen (spam-protected)
Wed Jun 1 11:15:17 CEST 2005


Based on your configuration(I hope that is not a direct copy of the config
file) 8-9 seconds for converging sounds correct. You are using a HELLO
validity time of 6 seconds. So timing out a neighbor always takes 6-8
seconds and the distributed changes adds some some time.
If you are looking for rapid updates use something link helloint: 0.5
valtime 1.5.

- Andreas


> Goodmornig ,
> I lived in my lab for two days 'cause I have some problem using the
> olsrd-0.4.8
> release in a linear scenario with four laptop. Other information on the
> laptop : running ipv4, Linux 2.6, I know this number of nodes is too small
> to take benefit from the filosofy of OLSR.I  must compare it in different
>  tests, in wihich moblility occurs. I experimented huge route discovery
> delay, passing from 1 hop to 2 hop and from 2 to 3 hop (about 8-9 sec each
> movement). I tried to change emission interval of Hello and TC, their
> validity
> time too, but the delay was always high.
> Many many thanks everyone.
> Gianmaria
> This is my configuration file:
> # Debug level(0-9)
> # If set to 0 the daemon runs in the background
>
> DebugLevel      1
>
> # IP version to use (4 or 6)
>
> IpVersion       4
>
> # HNA IPv4 routes
> # syntax: netaddr netmask
> # Example Internet gateway:
> # 0.0.0.0 0.0.0.0
>
>
> Hna4
>
>
>  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     3
>
> # 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
>
> no LQ# 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   2
>
>
> #
> # MPR coverage
> # Specifies how many MPRs a node should# defaults to 1
>
> #MprCoverage    2
>
> # 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
>
>
>
> # try select to reach every 2 hop neighbor
>
>
>
>
>
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>


---------
Andreas T√łnnesen
http://www.olsr.org



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