[Olsr-dev] [SOLVED] possible bug in IPv6 - txtinfo plugin believes a remote IPv6 is a local IPv6 ?

[Ferry Huberts]

On 09-08-12 12:08, ZioPRoTo (Saverio Proto) wrote:
> I want to share this experience because really I thought we had a bug in OLSRD.
> This was fixed just doing:
> echo 0 > /proc/sys/net/ipv6/conf/lo/disable_ipv6
>
> that for some reason was set to 1.

So should we add a check whether IPv6 is enabled when you try to run in 
IPv6 mode?

(seems reasonable)

>
> as you can see OLSR had in the links database a lot of strange stuff !!!!
>
>
> Version: olsr.org -
> 0.6.3-git_18a7aa2-hash_5a445933668441036e7f086635b5547c  - (built on
> 2012-08-08 13:03:38 on nockid)
> https://github.com/zioproto/olsrd-gsoc2012/commits/mDNS-plugin-GSOC
>
> (note that this is my tree to changes only to mDNS but I am not using mDNS here.
>
> XM.v5.5.sdk# cat /sbin/6olsr
> #!/bin/sh
> wget -q http://[::1]:2007/$1 -O -
>
> XM.v5.5.sdk# 6olsr links
> Table: Links
> Local IP        Remote IP       Hyst.   LQ      NLQ     Cost
> 2001:4c00:893b:1:145::3 2001:4c00:893b:1:184::4 0.00    1.000   0.761   1.313
> 2001:4c00:893b:145::18  2001:4c00:893b:145::17  0.00    1.000   1.000   1.000
> 2001:4c00:893b:1:145::3 2001:4c00:893b:1:183::2 0.00    1.000   0.937   1.066
>
> XM.v5.5.sdk# ip -6 addr show
> 2: eth0: <BROADCAST,MULTICAST,ALLMULTI,PROMISC,UP,LOWER_UP> mtu 1500 qlen 1000
>      inet6 2001:4c00:893b:183::11/64 scope global
>         valid_lft forever preferred_lft forever
>      inet6 fe80::227:22ff:fe39:d0f1/64 scope link
>         valid_lft forever preferred_lft forever
> 5: ath0: <BROADCAST,MULTICAST,ALLMULTI,PROMISC,UP,LOWER_UP> mtu 1500
>      inet6 2001:4c00:893b:1:183::2/128 scope global
>         valid_lft forever preferred_lft forever
>      inet6 fe80::227:22ff:fe38:d0f1/64 scope link
>         valid_lft forever preferred_lft forever
> XM.v5.5.sdk# uname -a
> Linux M5GalliaBramante 2.6.32.54 #1 Wed Aug 8 13:08:06 CEST 2012 mips unknown
> XM.v5.5.sdk# cat /etc/persistent/olsrd6.conf
> DebugLevel  0
>
> IpVersion 6
>
> Pollrate  0.025
> FIBMetric "flat"
> UseNiit no
> SmartGateway no
>
> Hna6
> {
> #Inserire qui la subnet IPv6 scelta nella pagina GestioneIndirizzi
> 2001:4c00:893b:183:: 64
> }
>
> UseHysteresis no
> TcRedundancy  2
>
> MprCoverage 7
>
> LinkQualityLevel 2
> LinkQualityAlgorithm    "etx_ff"
> LinkQualityAging 0.05
> LinkQualityFishEye  1
>
> LoadPlugin "olsrd_txtinfo.so.0.1"
> {
>     PlParam     "port"   "2007"
>     PlParam     "Accept"   "::"
>
> }
>
> InterfaceDefaults {
>        HelloInterval 3.0
>        HelloValidityTime 125.0
>        TcInterval 2.0
>        TcValidityTime 500.0
>        MidInterval 25.0
>        MidValidityTime 500.0
>        HnaInterval 10.0
>        HnaValidityTime 125.0
> }
>
> Interface "ath0" "eth0" "br0"
> {
>        Mode "mesh"
>        IPv6Multicast FF02::6D
> }
> XM.v5.5.sdk#
>

-- 
Ferry Huberts