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Following is sample output of the show controller cbus command:

Router# show controller cbus

ciscoBus 0, controller type 6.0, microcode version 11.0

512 Kbytes of main memory, 128 Kbytes cache memory

88 1520 byte buffers, 32 4480 byte buffers, 50 4484 byte buffers

1044 byte system buffer

Restarts: 0 line down, 0 hung output, 0 controller error

FDDI-T 0, controller type 7.0, microcode version 10.3

Interface 0 is Fddi0, station address 0000.0c01.72c0 (bia 0000.0c01.72c0)

50 buffer RX queue threshold, 51 buffer TX queue limit,

buffer size 4484 ift 0006, rql 46, tq 0000 0000, tql 50

To obtain more information about the interfaces, such as the state of the lines and protocol types, use

the EXEC command show interface fddi unit (where unit is the unit address of the desired interface)

to display statistics about a particular FDDI interface in the router.

The ﬁrst line of the show interface fddi unit command display names the interface (FDDI) and its

unit number (0) and indicates whether the hardware and line protocol are up or down.

Following is sample output of the show interface fddi unit command:

Router# show interface fddi 0

Fddi 0 is up, line protocol is up

Hardware type is cBus Fddi, hardware address is aa00.0400.0134

Internet address is 111.111.1.1, subnet mask is 255.255.255.0

MTU 4532 bytes, BW 100000 Kbit, DLY 100 usec, rely 255/255, load 1/255

Encapsulation is SNAP, loopback is not set, keepalive is not set

ARP type: SNAP

Phy-A state is active, neighbor is B, cmt signal bits 08/20C, status ILS

Brk 1, Con 1, Tra 0, Nxt 11, Sig 10, Join 1, Vfy 1, Act 1

Phy-B state is active, neighbor is A, cmt signal bits 20C/08, status ALS

Brk 1, Con 1, Tra 0, Nxt 11, Sig 10, Join 1, Vfy 1, Act 1

CFM is through A, token rotation 5000 usec, ring operational 0:01:42

Upstream neighbor aa00.0400.6608, downstream neighbor 0000.0000.0000

Last input 0:00:00, output 0:00:00, output hang never

Last clearing of "show interface" counters never

Output queue 0/40, 0 drops; input queue 0/75, 31 drops

Five minute input rate 9000 bits/sec, 9 packets/sec

Five minute output rate 3000 bits/sec, 6 packets/sec

6813620 packets input, 1756956503 bytes, 31 no buffer

Received 1794204 broadcasts, 0 runts, 0 giants

691 input errors, 0 CRC, 691 frame, 0 overrun, 0 ignored, 0 abort

6047443 packets output, 551753389 bytes, 190 underruns

0 output errors, 0 collisions, 5 interface resets, 0 restarts

8 transitions

Router#

Some aspect of the hardware is not functioning properly if the line protocol is down (in the ﬁrst line

of the above sample output). Ensure that the network interface is properly connected and terminated.

Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques

Testing the Installation