Avaya Troubleshooting Routers Guide de dépannage télécharger pdf (Page 33)

Introduction

1-9

The name of the router’s operating system is GAME (Gate Access Management

Entity). In addition to assuming the typical responsibilities of an operating

system, GAME creates gates.

Each gate is a process. The process may be to perform a discrete action for a

software entity, such as IP. Or it may be to create children gates responsible for

their own processes. A parent gate keeps track of its child gate by remembering its

logical address, called a gate handle.

If you conﬁgure the router to run IP, the gate responsible for creating protocols

creates an IP gate. This gate in turn creates gates for IP processes, such as RIP or

OSPF. And RIP and OSPF gates create gates of their own to handle RIP and OSPF

processes. Thus, each time the operating system starts, it creates gates that form a

hierarchy resembling a family tree.

If the software detects a problem, it instructs the parent gate to “kill” (eliminate

from memory) the gate associated with the problem, and recreate it. If the

problem reoccurs, the software instructs the grandparent gate to kill its children

and recreate them. When a gate “dies” (is eliminated), all of its children also die.

The grandparent recreates the parent gate, and the parent gate recreates its

children. This process expands to the next generation and continues until the

problem becomes resolved or until the software entity reinitializes. GAME

generates a Fault event message when it reinitializes a software entity. This

system of creating and killing gates allows the software to try to correct a

problem, but minimizes the impact to the network because it resets only the

components that appear to be associated with the problem.

Go to A if you would like to view examples and explanations of Debug messages.

Displaying and Changing Conﬁguration Settings and Statistics

The router’s management information base (MIB) determines its conﬁguration

and state of operation. The following sections describe how to access the MIB

variables:

•“Using the

Technician Interface to Access the MIB”

•“Using the

Technician Interface Scripts to Access the MIB”

•“Using the Sta

tistics Manager to Access the MIB”

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Avaya Troubleshooting Routers Guide de dépannage Page 33