The Cisco NCS 540 router show tech-support command generates a TAR archive file (.tgz) and saves a copy in harddisk. You can transfer this file to an external FTP or TFTP server and provide to Cisco TAC for further analysis.
RP/0/RP0/CPU0:NCS540#show tech-support
Wed Sep 15 02:31:23.575 UTC
++ Show tech start time: 2021-Sep-15.023123.UTC ++
Wed Sep 15 02:31:25 UTC 2021 Waiting for gathering to complete
.......
Wed Sep 15 02:31:47 UTC 2021 Compressing show tech output
Show tech output available at 0/RP0/CPU0 : /harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz
++ Show tech end time: 2021-Sep-15.023147.UTC ++
RP/0/RP0/CPU0:NCS5401#dir /harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz
Wed Sep 15 02:35:48.035 UTC
Directory of /harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz
130570 -rw-r--r--. 1 62138 Sep 15 02:31 harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz
23893884 kbytes total (22460768 kbytes free)
RP/0/RP0/CPU0:NCS540#copy ?
/recurse Recursively list subdirectories encountered
WORD Copy from file
access-list Access lists
apphost: Copy from apphost: file system
config: Copy from config: file system
disk0: Copy from disk0: file system
ftp: Copy from ftp: file system
harddisk: Copy from harddisk: file system
http: Copy from http: file system
https: Copy from https: file system
prefix-list Prefix lists
rootfs: Copy from rootfs: file system
running-config Copy from current system configuration
tftp: Copy from tftp: file system
xml-schema Copy XML schema files as a tar ball file (.tar.gz)
RP/0/RP0/CPU0:NCS540#copy harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz ?
WORD Copy to file
apphost: Copy to apphost: file system
config: Copy to config: file system
disk0: Copy to disk0: file system
ftp: Copy to ftp: file system
harddisk: Copy to harddisk: file system
http: Copy to http: file system
https: Copy to https: file system
location location to copy from
rootfs: Copy to rootfs: file system
running-config Update (merge with) current system configuration
tftp: Copy to tftp: file system
RP/0/RP0/CPU0:NCS540#copy harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz tftp://192.168.1.3 ?
vrf Specify the VRF for the network file system
<cr>
RP/0/RP0/CPU0:NCS540#copy harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz tftp://172.27.25.253 vrf ?
WORD Name of VRF
default Default VRF
RP/0/RP0/CPU0:NCS540#copy harddisk:/showtech/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz tftp://192.168.1.3 vrf Mgmt-intf
Wed Sep 15 02:37:56.258 UTC
Destination filename [showtech-NCS540generic-2021-Sep-15.023123.UTC.tgz]?
Writing tftp://172.27.25.253;Mgmt-intf/showtech-NCS540-generic-2021-Sep-15.023123.UTC.tgz
CCCC
62138 bytes copied in 7 sec ( 8876)bytes/sec
Copy operation success
