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ping6 ff01::1 is being picked up by another computer!!!

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eponymous
Tux's lil' helper

Tux's lil' helper

Joined: 02 Feb 2005
Posts: 141

Posted: Thu Mar 01, 2007 1:19 pm Post subject: ping6 ff01::1 is being picked up by another computer!!!

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Does anyone know why on a Linux box if I do a:

Code:

ping6 ff01::1

I can pick it up ICMPv6 packets on another computer on my local network using a packet sniffer?!

If I do the same command on a Windows machine the packets don't leave the network interface. This is how it should work!

"ff01::1" is the interface-local multicast address. Packets sent to this address shouldn't leave the interface.

Please, if anyone knows why this is happening please tell me!

Thanks!

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nielchiano
Veteran
Veteran

Veteran

Joined: 11 Nov 2003
Posts: 1287
Location: 50N 3E

Posted: Fri Mar 02, 2007 11:35 am Post subject:

the only thing I can think of is that somehow ping6 doesn't recognize it as a multicast address???

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