December 2001
Intermediate to advanced
608 pages
25h 14m
English
Content preview from CISCO IOS in a Nutshell
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Name
fddi cmt-signal-bits — interface
Synopsis
fddi cmt-signal-bitssignal-bits[phy-a | phy-b] no fddi cmt-signal-bitssignal-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 15-8 describes the bit fields.
Table 15-8. 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 |
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.