[evla-sw-discuss] SPAM

Kevin Ryan kryan at nrao.edu
Thu Sep 6 13:13:28 EDT 2007


Okay, thanks James but I don't get packets from other MIBs.  Oops I  
just now noticed, I'm also getting them from 146.88.2.248 - but not  
from any not on subnet 2.

...

We'll somebody please remove 146.88.2.129 from the MIB alert mcast  
group?

Thanks,
Kevin

On Sep 6, 2007, at 10:58 AM, James Robnett wrote:

>
>      They're transmitting on the standard archive/alert
> mcast group:
>
> snoop host 146.88.2.246
> Using device /dev/le (promiscuous mode)
> evla-mib-3-3.aoc.nrao.edu -> 239.192.0.1  UDP D=20010 S=2078 LEN=1239
> evla-mib-3-3.aoc.nrao.edu -> 239.192.0.1  UDP D=20010 S=2078 LEN=617
>
>      If you get mcasts from any mibs on that mcast group
> you should get them from that one as well, ie it's
> not their mcast group its the alert mcast group.
>
> james
>
> On Sep 6, 2007, at 10:50 AM, Kevin Ryan wrote:
>
>> Thanks James,
>>
>> I guess I'm more curious as to why I am seeing them. I should not be
>> subscribed to their multicast - unless by mistake.  I'm under the
>> understanding that these packets should be blocked at the switch
>> before reaching my computer n'est pas?
>
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