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Configuring LNM Services

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303534-A Rev 00

LAN Reporting Mechanism (LRM)

The Bay Networks implementation of LRM is one of five LAN management

servers you configure on a token ring circuit. LRM supplies network-wide

services to the IBM LAN Network Manager application. (The services do not

extend beyond the topology of the local token ring.) To supply these services,

LRM manages all communications between the IBM LAN Network Manager

application and the other management servers.

LRM supports the following major functions:

• Reporting Link Maintenance Function

• Control Function

• Routing Function

• Notification Function

• Security Function

• Protocol Boundary Function

Reporting Link Maintenance Function

The LRM Reporting Link Maintenance Function maintains a separate LLC2

connection (called a reporting link) to each IBM LAN Network Manager

workstation. Other management servers (REM, RPS, CRS, and LBS) use the

reporting links managed by LRM to communicate with the IBM LAN Network

Manager, rather than having each server manage its own independent links with

the IBM LAN Network Manager workstation.

If a Bay Networks router becomes the only station on a token ring segment, the

router removes and reinserts itself on the ring. As a result:

• Any reporting link established between a remote IBM LAN Network

Manager and the LNM Servers on that segment fails.

• The IBM LAN Network Manager Events Log receives an alert message

indicating the failure of the reporting link.

If you want to ensure that the IBM LAN Network Manager maintains a reporting

link to the LNM Servers on the local Bay Networks bridge, you can enable

autolinking on the IBM LAN Network Manager. It can then reopen the failed

reporting link when the Bay Networks LNM Servers interface becomes active on

the ring.

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Avaya Configuring LNM Services Manual de usuario Pagina 24