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Using Out-of-Band Access to Transfer Files

308657-14.00 Rev 00

B-3

In support of Nortel Networks router file management tasks, the YMODEM batch

protocol has the following capabilities:

• Supports batch file transfers (moving one or more files specified in a single

xmodem command)

• Automatically converts file names received during batch file transfer

operations

• Transfers binary files with error detection

• Marks every transferred file with a timestamp, which indicates the most recent

modification date of a file

• Automatically deletes a file unsuccessfully transferred between a router and a

workstation

• Allows you to cancel a file transfer operation while that operation is still in

progress

YMODEM transfers binary files intact, with no padding, and using a default

packet size of 128 bytes. To use the YMODEM protocol, a Nortel Networks router

does not require access (in-band) to the IP network on which a source/destination

remote workstation also resides. Instead, you use out-of-band (dial network)

access from the UNIX or PC workstation to run Technician Interface

xmodem

commands and conduct file transfers through a modem. You are most likely to use

the YMODEM protocol to move files when your IP network is down or impaired.

The xmodem Command

The following represents the syntax of the xmodem command:

Command

Options

Subcommands

Files to send

Files to receive

Files to receive as

Source volume

and source directory

xmodem [sb | st | rb | rt ]

< y | m | k | c | l | w | p | e | n > <vol/dir>: <filename> <filename>

...

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Avaya Using Technician Interface Software Manual de usuario Pagina 259