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Operating Systems Linux Interface goes down after 2 minutes Post 302932414 by Corona688 on Wednesday 21st of January 2015 11:43:35 AM
Old 01-21-2015
Something is, though. That's what "promiscuous mode" means, it will receive packets to any destination. Things like wireshark and tcpdump use it to monitor the connection.

What programs / services are you running? You need to find what is putting it into that mode. Whatever it is, is what I suspect is messing up your connection.
 

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SNOOPY(8)						      System Manager's Manual							 SNOOPY(8)

NAME
snoopy - spy on Ethernet packets SYNOPSIS
snoopy [ -abceiltup9 ] [ -np ] [ -N count ] DESCRIPTION
Snoopy displays the header and first 20 data bytes of packets received from the local Ethernet. The packets displayed depend on the options chosen. The following options each select packets from a particular protocol. If more than one flag is given, packets from all those protocols are displayed. a ARP b BOOTP c ICMP e all Ethernet packets i IP l IL t TCP u UDP By default all addresses are translated into system names. The option n suppresses this. Snoopy runs in promiscuous mode by default, displaying all packets it can capture from the Ethernet. The option p causes only packets sent to or from the system snoopy is running on to be displayed. Option 9 causes the data of TCP and IL messages to be interpreted and displayed as 9P messages. The N option sets the count (default 20) of the number of bytes to dump in hexadecimal from each packet. FILES
/net/ether Ethernet device SOURCE
/sys/src/cmd/ip/snoopy.c BUGS
The CPU servers do not take well to running in promiscuous mode. If run on them, snoopy may kill their Ethernets. SNOOPY(8)
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