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The displayed data depends on the monitoring app. From the infos you gave I would guess it is session management protocol, a part of SMB which is used to keep current NetBIOS session info.<br />
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Each computer using NetBIOS to communicate with another NetBIOS-enabled computer has to login and use a session, which holds the login data. After this, the session info can be used to transfer data.<br />
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SMB / NetBIOS are very chatty protocols. Computers talk all the time, even if no file shares are used at the moment.<br />

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The displayed data depends on the monitoring app. From the infos you gave I would guess it is session management protocol, a part of SMB which is used to keep current NetBIOS session info.

Each computer using NetBIOS to communicate with another NetBIOS-enabled computer has to login and use a session, which holds the login data. After this, the session info can be used to transfer data.

SMB / NetBIOS are very chatty protocols. Computers talk all the time, even if no file shares are used at the moment.


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The application I'm using is Ehterpeek, an older version of OmniPeek. I am unable to locate anything on their site. The SessMsg is a sub-category of the NetBIOS protocol listing. THe two systems are communicating across our VPN using 1500 kbits of bandwidth, or 50% of our available bandwidth. So basically it is likely just data being sent?<br />
<br />
Thank you.
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The application I'm using is Ehterpeek, an older version of OmniPeek. I am unable to locate anything on their site. The SessMsg is a sub-category of the NetBIOS protocol listing. THe two systems are communicating across our VPN using 1500 kbits of bandwidth, or 50% of our available bandwidth. So basically it is likely just data being sent?

Thank you.

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I am monitoring network bandwidth for my company. There is a lot of traffic between two servers and under the Protocols its showing as NetBIOS traffic, specifically SessMsg. I can't find any information on what type of data the SessMsg protocol would be. Can anyone enlighten me? <br />
<br />
Thank you.<br />
Sandra
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I am monitoring network bandwidth for my company. There is a lot of traffic between two servers and under the Protocols its showing as NetBIOS traffic, specifically SessMsg. I can't find any information on what type of data the SessMsg protocol would be. Can anyone enlighten me? 

Thank you.
Sandra

What is SessMsg?

The Internet Protocol (IP) is the principal communications protocol in the Internet protocol suite for relaying datagrams across network boundaries, organized in abstraction layers, traditionally called "Link," "Internet," "Transport" and "Application”. Its routing function enables internetworking, and essentially establishes the Internet. IP defines packet structures that encapsulate the data to be delivered. It also defines addressing methods that are used to label the datagram with source and destination information.