Skip to Main Content
Cisco IOS in a Nutshell, 2nd Edition
book

Cisco IOS in a Nutshell, 2nd Edition

by James Boney
August 2005
Intermediate to advanced content levelIntermediate to advanced
798 pages
31h 12m
English
O'Reilly Media, Inc.
Content preview from Cisco IOS in a Nutshell, 2nd Edition

Name

fddi cmt-signal-bits — interface

Synopsis

fddi cmt-signal-bits signal-bits [phy-a | phy-b]
no fddi cmt-signal-bits signal-bits [phy-a | phy-b]

Configures

CMT transmission bits

Default

None

Description

This command sets the bits to be transmitted during the signal phase of CMT. Changing these values is not recommended and should be done only to debug specific CMT problems. signal-bits is the hexadecimal value of the bit fields you wish to set. phy-a and phy-b select the physical sublayer, either a or b. Table 17-9 describes the bit fields.

Table 17-9. Bit values for CMT signals

Bit position

Meaning

0

Escape bit

1-2

Physical type

3

Physical compatibility

4-5

Link confidence test duration

6

MAC for link confidence test

7

Link confidence test failed

8

MAC for local loop

9

MAC on physical output

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

CISCO IOS in a Nutshell

CISCO IOS in a Nutshell

James Boney
Cisco IOS Cookbook, 2nd Edition

Cisco IOS Cookbook, 2nd Edition

Kevin Dooley, Ian Brown
Cisco Software-Defined Access

Cisco Software-Defined Access

Srilatha Vemula, Jason Gooley, Roddie Hasan

Publisher Resources

ISBN: 0596008694Errata