problem with switch 2960

[amrashraf1]

ihave 4 switch 2960 

WS-C2960L-24TS-LL

Version 15.2(6r)E1

i have 4 floor in every floor have one of 2960 and all of them conncted with core switch 3650 but 

switches 2960 some times need restart often one restart per day what is the poblem 

[Leo Laohoo]

---

@amrashraf1 wrote:

Version 15.2(6r)E1

---

15.2(6r)EI is the ROMMON/Bootstrap version.  

Post the complete output to the following commands from the 2960: 

sh version
sh log on uptime detail
dir

[amrashraf1]

i post it all output of this command

[amrashraf1]

show version
Cisco IOS Software, C2960L Software (C2960L-UNIVERSALK9-M), Version 15.2(6)E2b, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2018 by Cisco Systems, Inc.
Compiled Tue 20-Nov-18 21:04 by prod_rel_team

ROM: Bootstrap program is C2960L boot loader
BOOTLDR: C2960L Boot Loader (C2960L-HBOOT-M) Version 15.2(6r)E1, RELEASE SOFTWARE (fc1)

Gfloor uptime is 2 hours, 7 minutes
System returned to ROM by power-on
System restarted at 11:12:58 egy Sat Nov 21 2020
System image file is "flash:c2960l-universalk9-mz.152-6.E2b/c2960l-universalk9-mz.152-6.E2b.bin"
Last reload reason: power-on

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 WS-C2960L-24TS-LL (Marvell PJ4B (584) v7 (Rev 2)) processor (revision K0) with 524288K bytes of memory.
Processor board ID FCW2340A03B
Last reset from Reload
3 Virtual Ethernet interfaces
28 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address : 7C:21:0D:75:68:00
Motherboard assembly number : U58O342T02
Power supply part number : 341-100559-01
Motherboard serial number : FOC233903NS
Power supply serial number : DCG233610MK
Model revision number : K0
Motherboard revision number : 25
Model number : WS-C2960L-24TS-LL
System serial number : FCW2340A03B
Top Assembly Part Number : 74-105855-02
Top Assembly Revision Number : G0
Version ID : V02
CLEI Code Number : CMMWJ00ARB
Hardware Board Revision Number : 0x02

Configuration register is 0xF

[amrashraf1]

Gfloor#sh log on uptime detail
--------------------------------------------------------------------------------
UPTIME SUMMARY INFORMATION
--------------------------------------------------------------------------------
First customer power on : 01/01/2000 02:52:35
Total uptime : 0 years 10 weeks 0 days 19 hours 15 minutes
Total downtime : 20 years 37 weeks 0 days 15 hours 10 minutes
Number of resets : 20
Number of slot changes : 0
Current reset reason : 0x0
Current reset timestamp : 11/21/2020 11:18:16
Current slot : 1
Current uptime : 0 years 0 weeks 0 days 2 hours 0 minutes
--------------------------------------------------------------------------------
Reset | |
Reason | Count |
--------------------------------------------------------------------------------
No historical data to display
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
UPTIME CONTINUOUS INFORMATION
--------------------------------------------------------------------------------
Time Stamp | Reset | Uptime
MM/DD/YYYY HH:MM:SS | Reason | years weeks days hours minutes
--------------------------------------------------------------------------------
01/01/2000 02:52:35 0x0 0 0 0 0 0
09/29/2019 13:43:02 0x0 0 0 0 0 10
09/29/2019 13:53:53 0x0 0 0 0 0 0
09/29/2019 17:10:42 0x0 0 0 0 0 5
09/09/2020 16:49:55 0x0 0 0 0 0 0
09/10/2020 11:02:14 0x0 0 0 0 18 0
09/12/2020 21:42:14 0x0 0 0 2 10 0
09/17/2020 07:53:11 0x0 0 0 4 10 0
09/17/2020 08:00:55 0x0 0 0 0 0 0
10/10/2020 04:32:16 0x0 0 3 1 20 0
10/25/2020 20:40:40 0x0 0 2 1 16 0
11/04/2020 12:25:16 0x0 0 1 2 15 0
11/09/2020 19:31:13 0x0 0 0 5 6 0
11/10/2020 16:27:20 0x0 0 0 0 20 0
11/12/2020 09:09:06 0x0 0 0 1 16 0
11/13/2020 10:41:09 0x0 0 0 0 22 0
11/16/2020 09:58:06 0x0 0 0 2 3 0
11/17/2020 09:57:35 0x0 0 0 0 5 0
11/19/2020 13:40:15 0x0 0 0 2 3 0
11/21/2020 11:18:16 0x0 0 0 1 21 0
--------------------------------------------------------------------------------
Time Stamp | Reset | Uptime
MM/DD/YYYY HH:MM:SS | Reason | years weeks days hours minutes
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

Gfloor#

[amrashraf1]

Directory of flash:/

780 -rwx 2072 Nov 21 2020 13:13:55 +02:00 multiple-fs
779 -rwx 2994 Nov 21 2020 13:13:55 +02:00 private-config.text
778 -rwx 5281 Nov 21 2020 13:13:55 +02:00 config.text
516 drwx 2048 Sep 29 2019 14:02:11 +02:00 c2960l-universalk9-mz.152- 6.E2b
749 drwx 2048 Sep 29 2019 14:02:11 +02:00 dc_profile_dir
770 -rwx 11482 Sep 9 2020 16:59:46 +02:00 pnp-cco-trustpool-bundle
771 -rwx 33 Sep 9 2020 17:20:57 +02:00 pnp-tech-time
260 -rwx 17117 Sep 9 2020 17:20:59 +02:00 pnp-tech-discovery-summary
261 -rwx 10244 Sep 9 2020 17:25:22 +02:00 vlan.dat
2 drwx 2048 Mar 1 1993 02:00:02 +02:00 lost+found

244711424 bytes total (197998592 bytes free)

[MHM Cisco World]

check power for this SW,
the last restart because of power-on so i think there is drop in power make SW restart.

[amrashraf1]

from 2 hours switch is hang and all ports on switch dropped  but the all leds of port work so i make restart unplug the power and plug again 

[amrashraf1]

any solution

[Leo Laohoo]

I am going to suggest you think about upgrading the firmware of the switch.  

[amrashraf1]

What is the version of ios support this switch if u can send me link of new ios and steps of upgrade

[Leo Laohoo]

IOS Upgrade on Catalyst Switches 2900, 3500 and 3700 - Easy as Pi

Firmware for the 2960L can be found HERE.

IMPORTANT:  Do not forget to read the Release Notes.

[amrashraf1]

Thnks iwill try and i tell you

[amrashraf1]

---

Leo

This problem probably cause broadcast ?? Or not

[MHM Cisco World]

show controllers cpu-interface

please can I see output of this, it may be broadcast storm.