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Re: radvd gives 2 prefixes over same interface



green wrote:
> green wrote at 2010-03-26 16:12 -0500:
>   
>> Pascal Hambourg wrote at 2010-03-26 16:05 -0500:
>>     
>>> green a écrit :
>>>       
>>>> I have set up radvd.conf to use 
>>>> the first on br0 and the second on wlan1.  But when I connect with a Debian 
>>>> squeeze client over br0, the interface gets 2 global addresses, one from each 
>>>> subnet.  Any ideas what the problem is?  Thanks.
>>>>         
>>> I do not see how this can happen, unless br0 and wlan1 are connected
>>> together somehow. Did you capture the RA's on both interfaces to see
>>> what's going on ?
>>>       
>> No, I will try capturing them.
>>     
>
> I am somewhat familiar with wireshark which I am using on a client device.  I 
> see icmpv6 packets from the link-scope address of the lan br0 interface to 
> destination ff02::1.  Here is what I see:
>
> src=fe80::200:24ff:fecc:xxxx(server) dest=ff02::1 proto=ICMPv6 info=RouterAdvertisement
> 0000   33 33 00 00 00 01 00 00 24 cc 5c b5 86 dd 60 00  33......$.\...`.
> 0010   00 00 00 38 3a ff fe 80 00 00 00 00 00 00 02 00  ...8:...........
> 0020   24 ff fe cc 5c b5 ff 02 00 00 00 00 00 00 00 00  $...\...........
> 0030   00 00 00 00 00 01 86 00 83 4e 40 00 00 2d 00 00  .........N@..-..
> 0040   00 00 00 00 00 00 03 04 40 c0 00 01 51 80 00 00  ........@...Q...
> 0050   38 40 00 00 00 00 20 01 04 70 c1 91 00 00 00 00  8@.... ..p......
> 0060   00 00 00 00 00 00 01 01 00 00 24 cc 5c b5        ..........$.\.
>
> You are welcome to suggest a better method for capturing.
>   
rdisc6 is the better tool for looking at what's happening with router
solicitations.

Kind regards,
Martin List-Petersen


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