[OLSR-users] multiple ip address on the olsrd iface

Andreas Tønnesen (spam-protected)
Thu Dec 8 20:21:36 CET 2005


Magesh,

Thanks for the traces!
Notice in the n2 trace how N2s OLSR packets changes IP src from
5::1 6::1(time 220.82). Still olsrd continues to use 5::1 for link
sensing.

This is probably what causes your problems. This is stuff that
will be adressed in the 0.5 series and not in the 0.4 releases.
We will start working on the 0.5 series "soon". The 0.4 releases
will from now on be bugfix releases.

- Andreas

Magesh mannar wrote:
> 
> Yes..iam using ipv6 address. Let me elobrate my scenario
> 
> I have 3 neighbor nodes (n1,n2 and n3). n1 has two interfaces (one wired 
> (eth2) and one ad-hoc wireless (eth1)); olsrd runs on both the ifaces 
> and eth2 HNA's to the external ipv6 network. Other 2 nodes n2 and n3 has 
> olsrd running on only one iface (eth1).
>  
>     ------- (eth2)n1(eth1)----n2(eth1)---n3(eth1)----
>    
>                     
> 
> My IP configs are below
>  
> N1:
> HNA: 2001:100:200:1::/64
> eth2:2001:620:500:8::2/64
> eth1:2001:620:500:30::1/64
>  
> N2:
> eth1: 2001:620:500:5::1/64 (to start with)
> (later add):  2001:620:500:6::1/64
>  
> N3:
> eth1: 2001:620:500:5::2/64 (to start with)
> (later add):  2001:620:500:6::2/64
>  
> I start with only one Ipv6 address assigned to the eth1 of n2 and n3 
> (2001:620:500:5::1/64 and 2001:620:500:5::2/64 respectively). i run olsr 
> and works fine. I could ping6 the neighbours. Now i add another ipv6 
> address to eth1 of n2 and n3 (2001:620:500:6::1/64 and 
> 2001:620:500:6::2/64 respectively). Now i find olsrd running and the 
> routing table is formed but they dont seem to be correct. Also when i 
> ping6 the neighbors iam unable to. Probably MID calculations are not 
> done properly.
>  
> I am attaching my logs files (ethereal capture, olsrd debug msg and 
> routing table).(olsr_ipv6_log.tgz)
>  
> N1 log files
> ethereal-n1
> olsr-n1
> route-n1-address1 (only one address assigned to eth1 of  n2 and n3 
> (2001:620:500:5::1/64and
> 2001:620:500:5::2/64 respectively)
> route-n1-address2 (2 addresses assigned to eth1 of n2 and n3 
> (2001:620:500:5::1/64,
> 2001:620:500:6::1/64 and 2001:620:500:5::2/64, 2001:620:500:6::2/64 
> respectively)
>  
> N2 log files
> ethereal-n2
> olsr-n2
> route-n2-address1 (only one address assigned to  n2 and n3 
> (2001:620:500:5::1/64and
> 2001:620:500:5::2/64 respectively)
> route-n2-address2 (2 addresses assigned to eth1 of n2 and n3 
> (2001:620:500:5::1/64,
> 2001:620:500:6::1/64 and 2001:620:500:5::2/64, 2001:620:500:6::2/64 
> respectively)
> 
> N3 log files
> ethereal-n3
> olsr-n3
> route-n3-address1 (only one address assigned to  n2 and n3 
> (2001:620:500:5::1/64and
> 2001:620:500:5::2/64 respectively)
> route-n3-address2 (2 addresses assigned to eth1 of n2 and n3 
> (2001:620:500:5::1/64,
> 2001:620:500:6::1/64 and 2001:620:500:5::2/64, 2001:620:500:6::2/64 
> respectively)
>  
> Please find attached the log files.
>  
> Eagerly waiting for suggestions.Kindly let me know if any further 
> informations are necessary
>  
>  
> Many Thanks
> Magesh
> 
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