[OLSR-users] invalid Link type between sym_NEIGH ?

Andreas T√łnnesen (spam-protected)
Fri Apr 8 12:24:15 CEST 2005


What is the actual value of the link type field in question?

- Andreas

> Hi all,
>
> Here's my topology, 4 nodes connecting with Ethernet.
> (Node A) 10.0.1.2 <--> 10.0.2.1 (Node B) 10.0.2.2 <--> 10.0.3.1 (Node
> C) 10.0.3.2  <--> 10.0.4.1 (Node C)
>
> When I look at the OLSR Packet in node C. I have
> * a MPR Link with 10.0.2.2, ok
> * but why the link with 10.0.4.1 is invalid ?? Shouldn't it be
> SYM_LINK and SYM_NEIGH ?? What does invalid means for ethereal (04) ?
> I don't undesrtand why the link is invalid ?
> ______________________________________
> No.     Time        Source                Destination           Protocol
> Info
>      26 7.070691    10.0.3.2              10.255.255.255        UDP
>   OLSR (IPv4) Packet,  Length: 36 Bytes
> Frame 26 (78 bytes on wire, 78 bytes captured)
> Ethernet II, Src: 00:50:ba:37:94:a1, Dst: ff:ff:ff:ff:ff:ff
> Internet Protocol, Src Addr: 10.0.3.2 (10.0.3.2), Dst Addr:
> 10.255.255.255 (10.255.255.255)
> User Datagram Protocol, Src Port: 698 (698), Dst Port: 698 (698)
> Optimized Link State Routing Protocol
>     Packet Length: 36 bytes
>     Packet Sequence Number: 32371
>     Message Type: HELLO (1)
>     Validity Time: 6,000 (in seconds)
>     Message Size: 32 bytes
>     Originator Address: 10.0.3.1 (10.0.3.1)
>     Time to Live: 1
>     Hop Count: 0
>     Message Sequence Number: 4689
>     Hello Emission Interval: 2,000 (in seconds)
>     Willingness: Default
>>>    Link Type: Invalid
>>>    Link Message Size: 8 bytes
>>>   Neighbor Address: 10.0.4.1 (10.0.4.1)
>     Link Type: MPR Link
>     Link Message Size: 8 bytes
>     Neighbor Address: 10.0.2.2 (10.0.2.2)
> _______________________________________________
> thanks for your help,
>
> Daff
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>


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



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