Sniffer Tools - NETWORK INTERFACE MONITOR (NETMON.NLM)

Description

NETMON.NLM is a NetWare loadable module which acts on the server console and monitors network traffic on a given network interface card. It uses text based window interface and provides comprehensive statistics and colored histogram. It also allows to capture and analyze packets on a given server's network interface directly from server console. Main screen provides quick overview of what is happening on the network segment monitored NIC is connected to.


Semigraphical, colored histogram as well as various counters provide with comprehensive information.


Capture screen allows to capture packets on a given network interface. Because switching to and from promiscuous mode is also supported by this program, not only the traffic, which belongs to the server can be captured, but in fact any packet on the segment. Capture screen provides information about captured packets and can be effectively used for first and quick analysis of any server/client problem.


Captured data can also be filtered "on the fly", according to what the actual need is. Filtering is based on source/destination MAC addresses and/or on protocol type (IPX/SPX, TCP/IP). Once packets are captured in the buffer, they can be either shown and dumped on the screen or they can be saved into the file for later detailed analysis. File format used is compatible with Novell's LANalyzer file format or Sniffer CAP format.


One of the biggest advantages of NETMON.NLM is that there is no need for any extra PC or other device when capturing traffic between the server and the client PC. Even intelligent switching hubs are not a problem because NETMON.NLM runs directly on the server of the interest.


NetMon recognizes and supports multiple boards/interfaces on the NetWare server, and supports switching to/from promiscuous mode, which is needed for capturing the whole traffic on the given network segment.
NetMon understands and supports Ethernet 10MBit, Ethernet 100MBit, and Ethernet 1GBit technologies, Token-Ring 4MBit, Token-Ring 16MBit, and FDDI technologies are also supported but their support is rather limited.
Features for both NETMON v.2.x & NETMON v.1.x :


* TOTAL,PEAK,CURR pkts
* TOTAL,PEAK,CURR bytes
* PEAK,CURR load
* PROTOCOL DISTRIBUTION
* PACKET SIZE DISTRIBUTION
* BROADCAST STATS
* PROMISCUOUS MODE SUPPORT
* PACKET CAPTURING
* PRE-FILTERING
* SAVE data to file
* LOAD data from file
* LANalyzer data format
* BUFFER MEMORY adjustment
* POST FILTERING capabilities
* SEARCH for pattern
* EXPORT trace summary


Additional Features in NETMON v.2.x :


* CAPABLE TO MONITOR UP TO 4 BOARDS CONCURRENTLY
* SUPPORTS ALTERNATIVE BINDING METHOD USING PRESCAN STACK
* CLEVER WRAP BUFFER TECHNOLOGY
* MULTIPLE PROCESSOR SUPPORT (LibC version only)
* SIGNIFICANTLY REDUCED OVERHEAD
* CAP FILE FORMAT SUPPORT
* LAST MINUTE & LAST DAY HISTOGRAM
* PROFILES & CURRENT SETTING STORED INTERNALLY
* CONSOLE LOCK POSSIBILITY


NETMON v.2 supported o.s. versions:


NetWare 4.x, NetWare 5.x, NetWare 6.x
NetMon v.2 has been ported to both latest Novell LibC technology, and also legacy Novell CLib technology.
LibC version can be loaded on NetWare 5.1 SP4 (or higher), and NetWare 6.x.
CLib version can be loaded on NetWare 4.x, 5.x, and 6.x.

Netware Server - Network Interface

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