Avaya RMON2 Bedienungsanleitung PDF herunterladen (Seite 23)

RMON and RMON2 Overview

300018-A Rev. 00

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With RMON2, you can also troubleshoot network problems faster and more

accurately using statistics from the network layer matrix table, which shows the

protocol-specific traffic between communicating pairs of systems.

For example, with RMON, you can learn that a particular server is inactive

because it fails to transmit packets. With RMON2, you can diagnose the more

difficult problem that occurs when the system is active but a particular protocol

stack is malfunctioning.

RMON2 provides address translation capabilities that bind MAC-layer addresses

to network-layer addresses, making all addresses easier to read and remember.

You can detect duplicate addresses, which helps to solve a common problem that

disrupts network routers and virtual LANs.

RMON2 allows you to collect the historical data of any counter in the system,

rather than only a predefined set of statistics. For example, you can collect

historical data on a specific file server or a specific router-to-router connection.

RMON2 also lets you configure more flexible and efficient filters to support

higher-layer protocols.

Bay Networks implements seven RMON2 MIB groups in its RMON2 agent for

BayStack AN/ANH and ARN routers. Table 1-2

summarizes the RMON2 MIB

groups. For more detailed information about the RMON2 MIB groups, see

Appendix B, “RMON and RMON2 MIB Groups.”

Table 1-2. RMON2 MIB Groups

Group Lets You

Protocol Directory Compile a master directory of all protocols that the

Ethernet DCM can interpret.

Protocol Distribution Aggregate statistics on the amount of traffic

generated by each protocol, per LAN segment, or for

each layer in the protocol stack.

Address Mapping Connect port numbers, MAC addresses, and

network addresses.

Network Layer Host Obtain statistics on the traffic of specific hosts

(in/out, packets, octets, and so forth) based on the

network layer address.

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Avaya RMON2 Bedienungsanleitung Seite 23