The boot device is the local disk on the DSC where Cisco IOS XR software is added and activated. PIE files
should not be stored on this boot device. The default boot device is disk0:. All PIE files should be stored on
flash disk1:.
Transferring Installation Files from a Network File Server to a Local Storage Device
If the Cisco IOS XR software PIE files are located on a remote TFTP, FTP, SFTP, or rcp server, you can copy
the files to a local storage device such as disk1:. When the PIE files are located on a local storage device, the
software packages can be added and activated on the router from that storage device. Table 8: Download
Protocols Supported by Cisco IOS XR Software, on page 36 describes the supported server protocols, and
the CLI syntax used copy files from each server type to the local storage device.
Cisco IOS XR software PIE files can also be added to the router boot device directly from the remote
server.
Tip
Consult your system administrator for the location and availability of your network server.Note
Table 8: Download Protocols Supported by Cisco IOS XR Software
DescriptionName
TFTP allows files to be transferred from one computer
to another over a network, usually without the use of
client authentication (for example, username and
password). It is a simplified version of FTP.
Some Cisco IOS XR software images may
be larger than 32 MB, and the TFTP services
provided by some vendors may not support
a file this large. If you do not have access to
a TFTP server that supports files larger than
32 MB, download the software image using
FTP or rcp.
Note
Trivial File Transfer Protocol
FTP is part of the TCP/IP protocol stack and requires
a username and password.
File Transfer Protocol
The rcp protocol uses TCP to ensure the reliable
delivery of data, and rcp downloads require a
usernames.
Remote Copy Protocol
SFTP is part of the SSHv2 feature in the Security
package and provides for secure file transfers. For
more information, see the Cisco ASR 9000 Series
Aggregation Services Router System Security
Configuration Guide.
SSH File Transfer Protocol
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
36
Upgrading and Managing Cisco IOS XR Software
Obtaining and Placing Cisco IOS XR Software
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