Show Tech-Support Command on CISCO Router/Switch

Command

Show Tech-Support

Use

This command is mostly used when you are speaking with Cisco TAC. It displays a lot of information about your device.

Syntax

Router#show tech-support

Example

Below is an example of show tech-support.

R2#show tech-support

—————— show version ——————

Cisco IOS Software, 3600 Software (C3640-JK9S-M), Version 12.4(16), RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Compiled Wed 20-Jun-07 11:43 by prod_rel_team

ROM: ROMMON Emulation Microcode
ROM: 3600 Software (C3640-JK9S-M), Version 12.4(16), RELEASE SOFTWARE (fc1)

R2 uptime is 19 minutes
System returned to ROM by unknown reload cause – suspect boot_data[BOOT_COUNT] 0x0, BOOT_COUNT 0, BOOTDATA 19
System image file is “tftp://255.255.255.255/unknown”

This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

Cisco 3640 (R4700) processor (revision 0xFF) with 124928K/6144K bytes of memory.
Processor board ID 00000000
R4700 CPU at 100MHz, Implementation 33, Rev 1.2
2 FastEthernet interfaces
DRAM configuration is 64 bits wide with parity enabled.
125K bytes of NVRAM.
8192K bytes of processor board System flash (Read/Write)

Configuration register is 0x2102

—————— show running-config ——————

Building configuration…

Current configuration : 1336 bytes
SOME OUTPUT REMOVED

—————— show crypto ipsec profile ——————

—————— show crypto isakmp sa ——————

dst src state conn-id slot status

—————— show crypto engine connection active ——————

ID Interface IP-Address State Algorithm Encrypt Decrypt

—————— show crypto ipsec sa ——————

No SAs found

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