Specifications

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Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide
DOC-7810814=
Chapter 3 Operations
Verifying Modem Performance
Inspect the different modem trainup phases. The modem goes from Connect to Steady State in
15 seconds. The debug modem csm command displays the trainup phases. The debug modem
command displays the logical EIA/TIA-232 transition message “DSR came up.”
*Jan 1 00:35:04.759:TTY3:EXEC creation
*Jan 1 00:35:04.759:TTY3:set timer type 10, 30 seconds
*Jan 1 00:35:08.915:TTY3:Autoselect(2) sample 61 <------------------- a
*Jan 1 00:35:09.187:TTY3:Autoselect(2) sample 6164 <----------------- d
*Jan 1 00:35:09.459:TTY3:Autoselect(2) sample 61646D <--------------- m
*Jan 1 00:35:09.459:TTY3:Autoselect(2) sample 61646D69 <------------- i
*Jan 1 00:35:09.715:TTY3:Autoselect(2) sample 646D696E <------------- n
*Jan 1 00:35:09.715:TTY3:Autoselect(2) sample 6D696E0D <------------- <cr>
Decode the incoming character-byte stream for an EXEC shell login (no PPP). In this example, match
the username “admin” to the character stream: 616D696E0D = admin carriage return.
The Cisco IOS samples four packets at a time. It searches for a header that matches one of your
autoselect styles. The debug modem command generates the autoselect debug output.
*Jan 1 00:35:09.715:TTY3:set timer type 10, 30 seconds
*Jan 1 00:35:11.331:TTY3:Autoselect(2) sample [suppressed--line is not echoing]
*Jan 1 00:35:11.667:TTY3:Autoselect(2) sample [suppressed--line is not echoing]
*Jan 1 00:35:11.987:TTY3:Autoselect(2) sample [suppressed--line is not echoing]
*Jan 1 00:35:11.987:TTY3:Autoselect(2) sample [suppressed--line is not echoing]
*Jan 1 00:35:11.987:TTY3:Autoselect(2) sample [suppressed--line is not echoing]
*Jan 1 00:35:12.339:TTY3:Autoselect(2) sample [suppressed--line is not echoing]
*Jan 1 00:35:12.391:TTY3:create timer type 1, 600 seconds
5800-NAS>
Type 10 is the login timer. The timeout is 30 seconds. The user’s EXEC-shell login password is
suppressed.
Step 10 Identify who is logged in. TTY line 3 corresponds to modem 1/2. Use the show terminal command to
see which modem is assigned to the TTY line.
5800-NAS> show user
Line User Host(s) Idle Location
3 tty 3 admin idle 0
* 98 vty 0 joe 172.22.66.1 0 leftfield.corporate.com
Interface User Mode Idle Peer Address
d. Program the terminal window not to pause in the middle of a screen display. To adjust the display
output on a Cisco AS5800, enter the terminal length 0 command instead.
5800-NAS> terminal length 0