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Chapter 5 69

Troubleshooting

Using the fddilink Utility

The fddilink utility is used to display the operating characteristics of

an FDDI network. The monitor provides information about the node on

which the program is loaded, the upstream and downstream neighbors,

the ring state, the token rotation times, and so forth. It can be run from a

remote shell where the shell is located on a system that contains an

adapter.

To monitor the network, enter the following:

fddilink lanx

where x is the instance number for the adapter.

Navigating Menu Screens

Each menu item contains an upper screen and a lower screen.

• Press the Space bar to switch the screen from an upper to lower

screen and from a lower to an upper screen.

• To access another menu, enter the number of the menu from the

choices at the bottom of the screen.

• To view the next page of the current menu, press the Space bar.

• To exit the fddilink utility, press Esc.

Composite Data Screen

The opening screen is the Composite Data screen. It contains most of the

information needed to monitor the state of the ring, along with a menu

for navigating the utility. Sample upper and lower opening screens for a

dual-attach adapter are shown below.

\:Poll Rate = 1000 MS Composite Data

StationID : 1000 906B 017C ECM-IN CFM-C_WRAP_B RMT-RING_OP

ManufactureData: XDI731-Interphase Corp.

UserData : P5511-Interphase Corp.

SMT Version Op : 0x0002 Hi: 0x0002 Lo: 0x0002

MAC: UpStreamNbr DownStreamNbr : OldUpStreamNbr OldDownStreamNbr

1 1000 9038 D344 1000 9038 D344 : 0000 0000 0000 0000 0000 0000