RMON Application Layer - Source Destination Matrix Table

The table "source destination matrix" of the application layer, a group 17 of the RMON2 standard, displays traffic statistics issued by pairs of hosts.

For each pair, the table provides the amounts of packets and bytes transmitted by a source host to a destination host at the application level (per pair of IP addresses for example) and for each application (http, ftp, smtp, snmp, etc.).

The hosts with multiple communication protocols or multiple addresses to a single protocol will appear several times in this table for each of the protocols and addresses each of its networks. This is the case of an IP router for example.

To access the table "Source Destination Matrix" click on the icon or select the menu option Application Layer and Source Destination Matrix table.

The table "Source Destination Matrix" contains the following columns:

Column	Description
Source Host Name	The source host name retrieved from the LoriotPro directory. If the host name is unknown LoriotPro is unable to detect or discover the MAC address or this host is not declared in the directory.
Source Address	The network-layer address of the source host in this conversation. This is represented as an octet string with specific semantics and length as identified by the associated protocolDirLocalIndex. For example, if the protocolDirLocalIndex indicates an encapsulation of IP, this object is encoded as a length octet of 4, followed by the 4 octets of the IP address, in network byte order.
Destination Host Name	The destination host name retrieved from the LoriotPro directory. If the host name is unknown LoriotPro is unable to detect or discover the MAC address or this host is dont declared in the directory.
Destination Address	The network-layer address of the destination host in this conversation. This is represented as an octet string with specific semantics and length as identified by the associated ProtocolDirLocalIndex. For example, if the ProtocolDirLocalIndex indicates an encapsulation of IP, this object is encoded as a length octet of 4, followed by the 4 octets of the IP address, in network byte order.
Protocol
S to D Packets mib object : alMatrixSDPkts	The number of packets of this protocol type without errors transmitted from the source address to the destination address since this entry was added to the alMatrixDSTable. Note that this is the number of link-layer packets, so if a single network-layer packet is fragmented into several link-layer frames, this counter is incremented several times.
S to D Octets mib object : alMatrixSDOctets	The number of octets in packets of this protocol type transmitted from the source address to the destination address since this entry was added to the alMatrixDSTable (excluding framing bits, but including FCS octets), excluding octets in packets that contained errors. Note that this doesn't count just those octets in the particular protocol frames but includes the entire packet that contained the protocol.