Avaya RMON2 Bedienungsanleitung PDF herunterladen (Seite 77)

RMON and RMON2 MIB Groups

300018-A Rev. 00

B-9

Address Mapping Group

The Address Mapping group maps network layer addresses to MAC layer

addresses discovered by the Ethernet DCM. The network management application

can correlate these network layer addresses to names via DNS or another naming

utility. The Ethernet DCM creates entries in this table for all protocols that it

understands. If it cannot perform address mapping for the protocol, or if this

protocol is not a network layer protocol, then it does not interpret the addresses.

Network Layer Host Group

The Network Layer Host group records the amount of traffic sent to and from each

network layer address discovered by the Ethernet DCM. These entries enable the

collection of the network and application layer host tables indexed by network

addresses. Entries in the network layer host table are created on behalf of each

entry in this table. Additionally, if the Ethernet DCM implements the application

layer host table, entries in that table are created on behalf of this table.

Application Layer Host Group

The Application Layer Host group records the amount of traffic, by protocol, sent

from and to each network layer address discovered by the Ethernet DCM.

To implement this group, you must first implement the Network Layer Host

group. The Ethernet DCM adds all addresses seen as the source or destination

address in all packets with no MAC errors to the application layer host table, and

increments octet and packet counts for all packets with no MAC errors.

Network Layer Matrix Group

The Network Layer Matrix group provides a table of traffic matrix entries that

collect statistics for conversations between two network layer addresses. This

table is indexed first by the source address and then by the destination address to

make it convenient to collect all conversations from a particular address. The

Ethernet DCM adds all pairs of addresses seen in all packets with no MAC errors

to this table, and increments octet and packet counts for all packets with no MAC

errors.

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Avaya RMON2 Bedienungsanleitung Seite 77