Information Technology Reference
In-Depth Information
To see the aggregate numbers for all the modems on the router, use the
show modem summary
command.
router#
show modem summary
Incoming calls Outgoing calls Busied Failed No Succ
Usage Succ Fail Avail Succ Fail Avail Out Dial Ans Pct.
0% 6297 185 64 0 0 0 0 0 0 97%
Table 16-3 provides descriptions of the various
show modem
fields.
Table16-3 show modem Fields
Fields
Descriptions
Incoming and Outgoing
Calls
Calls dialing into and out of the modem.
Usage
—Percentage of the total system uptime that
all the modems are in use
•
Succ
—Total calls successfully connected
•
Fail
—Total calls that did not successfully connect
•
Avail
—Total modems available for use in the system
•
Busied Out
Total number of times that the modems were taken out of
service with the
modem busy
command or the
modem
shutdown
command
Failed Dial
Total number of attempts that the modems did not hang
up or that there was no dial tone
No Ans
Total number of times that call ringing was detected, but
the calls were not answered by a modem
Succ Pct.
Successful connection percentage of total available
modems
show modem call-stats
The
show modem call-stats
command offers a view of past performance for the modems. This is useful
in trend analysis and can help the administrator to identify possible problems.
compress retrain lostCarr rmtLink trainup hostDrop wdogTimr inacTout
Mdm # % # % # % # % # % # % # % # %
Total 9 41 271 3277 7 2114 0 0
Table 16-4 provides descriptions of the most common
show modem
call-stats fields.
Table16-4 show modem call-stats Fields
rmtLink
This shows that error correction was in effect and that the call was hung up
by the client system attached to the remote modem.
hostDro
p
This shows that the call was hung up by the IOS host system. Some
common reasons include: idle timeout, a circuit clear from the telco, or a
PPP LCP termreq from the client. The best way to tell the reason for the
hang up is by using
show modem call-record terse
or AAA accounting.
The other disconnect reasons should add up to less than 10 percent of the total.
