Avaya Troubleshooting Routers Guide de dépannage télécharger pdf (Page 75)

Troubleshooting a Physical Media Problem

4-3

Respond to State attribute values as follows:

1. If the media-speciﬁc state of the interface in question is up, check the

statistics associated with that layer.

If those statistics show that the media is OK, go to Chapter 6.

2. If the state is not present, the dynamic loader did not load the driver

(lower layer protocol) on the slot. Make sure the link or net module and

port are up. Then make sure the driver runs on the slot in the

conﬁguration of the router.

3. If the state is down, check the log to determine the reason. Do the

following:

a. Save the log.

b. Issue the clearlog command.

c. Use the Conﬁguration Manager to set the Enable parameter to

Disable, or use the Technician Interface to set the Enable attribute

to 2.

d. Set the Enable parameter to Enable, or set the Enable attribute to 1.

e. View the log.

f. If the media-speciﬁc state is not up, test the cable and the transceiver.

4 not

present

wait not

present

not

present

not

present

not

present

CA wait

5 not

present

initializing

6 DSR wait not

present

7 hold

down

8 remote

loop

Table 4-1. Values of Media State Attributes

(continued)

Value

Meaning of State Attribute

CSMAC

Sync T1 E1

Token

Ring

FDDI HSSI

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 253 254

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Avaya Troubleshooting Routers Guide de dépannage Page 75

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