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	Replies: 3 - Pages: 1 - Last Post: 23-Jan-2012 02:16 Last Post By: racock	Threads: [ Previous \| Next ]

racock

Posts: 3
Registered: 12/01/12

Does the Intel 82579LM NIC on the Portege R830 support Promiscuous mode?
Posted: 12-Jan-2012 20:36

Hi,

I've got a work laptop (Portege R830), which doesn't want to sniff packets. I've got it connected to a Netgear Hub (DS104), along with an older notebook, and then uplink to ADSL.

Running a continuous ping to the default gateway and Wireshark on both devices and the other computer can see the pings from the Toshiba, but not vice-versa.

The Toshiba is running as an Administrator account, has the Windows Firewall disabled, and my Symantec End Point Encryption disabled. I don't have any other AV to my knowledge.

Does anyone have any ideas of services I should disable/enable, or knowledge of the features of this NIC?

According to the Intel site "Yes, all currently marketed Intel® PRO/100, Intel® PRO/1000, Intel® Gigabit, Intel® PRO/10 Gigabit, and Intel® 10 Gigabit adapters support Promiscuous mode. " But the Intel® 82579 Gigabit Ethernet Controller is not in the list that follows on; http://www.intel.com/support/network/sb/CS-004185.htm?wapkw=%28promiscuous%29

Thanks for your time.

Akuma

Posts: 4,190
Registered: 12/08/08

Re: Does the Intel 82579LM NIC on the Portege R830 support Promiscuous mode?
Posted: 16-Jan-2012 00:42

in response to: racock

Helpful

Usually the firewall or Internet Security software blocks pings so perhaps try uninstalling Symantec completely. Just disabling it may not disable everything.

Another thing to try is use a Static IP Address instead of DHCP. Disabling IPv6 or installing a newer LAN driver from the Intel website may also help.

racock

Posts: 3
Registered: 12/01/12

Re: Does the Intel 82579LM NIC on the Portege R830 support Promiscuous mode?
Posted: 19-Jan-2012 01:36

in response to: racock

Thanks Akuma, I'll give that a go and come back.

racock

Posts: 3
Registered: 12/01/12

Re: Does the Intel 82579LM NIC on the Portege R830 support Promiscuous mode?
Posted: 23-Jan-2012 02:16

in response to: racock

Spot on Akuma,

Thank you. It was the End Point Security, which even though disabled, still blocked promiscuous traffic. Un-instaling it, resolved the issue.

Now all I've got to do is get symantec to accept it.....

Cheers.

Rich.

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