December 2001
Intermediate to advanced
608 pages
25h 14m
English
Content preview from CISCO IOS in a Nutshell
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show line
To display the status of a line, use the
command show
line. This is not
a privileged command and can be executed by any user. On an
eight-port terminal server, show
line gives output like this:
Router>show line
TTY TYP Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns
0 CTY - - - - - 0 0 0/0
1 TTY 9600/9600 - - - - - 3 542 0/0
* 2 TTY 9600/9600 - - - - - 1 0 0/0
3 TTY 38400/38400 - RIisCD - - - 1 0 0/0
I 4 TTY 38400/38400 - inout - - - 25 0 0/0
I 5 TTY 38400/38400 - inout - - - 3940 0 0/0
I 6 TTY 38400/38400 - inout - - - 1483 0 0/0
I 7 TTY 38400/38400 - inout - - - 364 0 0/0
I 8 TTY 38400/38400 - inout - - - 12 0 0/0Table 4-2 shows what the fields in this report mean.
Table 4-2. Fields in a show line display
|
Column |
Meaning |
|---|---|
|
1st column |
|
|
TTY |
Actual line number. |
|
TYP |
Type of line: CTY (console), AUX, TTY, VTY, LPT. |
|
TX/RX |
Transmit and receive baud rates for this line. |
|
A |
Autobaud (automatic baud rate detection) is active. |
|
Modem |
Type of modem signal configured for this line
( |
|
Roty |
Rotary group configured for this line. |
|
AccO, AccI |
Access lists for this line, both output and input (see
|
|
Uses |
Number of connections made to this line since the router was booted. |
|
Noise |
Number of times noise was detected on this line. Can be used to gauge line quality. |
|
Overruns |
Number of buffer overruns that have occurred on this line, in the format hardware/software ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.