switch in 3750x switch reset

john.wright · ‎08-07-2014

I have a 3750x switch stack of three switches.

One of the switches has reset 2 times and rejoined the stack.

Everything appears to be working fine except that every port light is flashing green light.

No one touched mode button.

Is this a warning of some kind?

Rajeev Sharma · ‎08-07-2014

Hey John,

Log in both the boxes and check if you have crashinfo file in the flash. Use the command "session <switch_number>" to session to respective switches. By default console resides with master so use the "show switch" command to check the switch numbers.

HTH.

Regards,

RS.

Leo Laohoo · ‎08-07-2014

Post the complete output to the command "sh version" and "sh switch details". Highlight which one is the second switch in the command "sh switch details".

john.wright · ‎08-08-2014

Leo

The switch that reset 2 x is switch 1 in the stack which cause the master to become switch 2.

Leo Laohoo · ‎08-09-2014

Ok, now can I ask you to post the output to the command "dir flash2:"?

john.wright · ‎08-11-2014

Leo

Thanks for looking at this.

Here is the dir flash

KBCUK2Stack01#dir flash2:
Directory of flash:/

    2 -rwx       23039 Nov 26 2012 15:51:22 +00:00 config.text.backup
    3 -rwx        3096   Aug 7 2014 12:59:46 +01:00 multiple-fs
    5 -rwx        1636   Apr 8 2013 17:45:30 +01:00 vlan.dat
    6 -rwx        3837 Nov 26 2012 15:51:22 +00:00 private-config.text.backup
473 -rwx       33134   Aug 7 2014 12:59:46 +01:00 config.text
    7 drwx         512   Mar 1 1993 00:04:22 +00:00 c3750e-universalk9-mz.150-1.SE3
472 -rwx        3837   Aug 7 2014 12:59:46 +01:00 private-config.text

Leo Laohoo · ‎08-11-2014

Output looks tame.

Can you do this:

Command: session 2;
Command: sh version; and
Post the output to #2.

It looks like the switch is having problem keeping power.

john.wright · ‎08-12-2014

Leo

Thanks again for the help.

I was also showing this issue to another source and he suggested exactly what you said above."It looks like the switch is having problem keeping power"

The people at the site say there have been no power surges but I agree that is seems like power is the problem.

Switch 2 is the master now so I cannot do a session 2.

switch 1 was the original master and it has only been up for 5 days.

KBCUK2Stack01#sess 2
%ERROR: cannot redirect to itself
KBCUK2Stack01#sh ver
Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 15.0(1)SE3, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2012 by Cisco Systems, Inc.
Compiled Wed 30-May-12 13:41 by prod_rel_team

ROM: Bootstrap program is C3750E boot loader
BOOTLDR: C3750E Boot Loader (C3750X-HBOOT-M) Version 12.2(53r)SE2, RELEASE SOFTWARE (fc1)

KBCUK2Stack01 uptime is 1 year, 37 weeks, 2 days, 2 hours, 7 minutes
System returned to ROM by power-on
System restarted at 10:08:26 GMT Sat Nov 24 2012
System image file is "flash:/c3750e-universalk9-mz.150-1.SE3/c3750e-universalk9-mz.150-1.SE3.bin"

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.

License Level: ipservices
License Type: Permanent
Next reload license Level: ipservices

cisco WS-C3750X-24P (PowerPC405) processor (revision A0) with 262144K bytes of memory.
Processor board ID FDO1641Z06H
Last reset from power-on
9 Virtual Ethernet interfaces
1 FastEthernet interface
84 Gigabit Ethernet interfaces
6 Ten Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address       : E4:D3:F1:BF:C5:00
Motherboard assembly number     : 73-12551-06
Motherboard serial number       : FDO164109FB
Model revision number           : A0
Motherboard revision number     : A0
Model number                    : WS-C3750X-24P-E
Daughterboard assembly number   : 800-32727-03
Daughterboard serial number     : FDO164013UH
System serial number            : FDO1641Z06H
Top Assembly Part Number        : 800-31325-03
Top Assembly Revision Number    : B0
Version ID                      : V03
CLEI Code Number                : COMJR00ARC
Hardware Board Revision Number : 0x04

Switch Ports Model              SW Version            SW Image
------ ----- -----              ----------            ----------
     1 30    WS-C3750X-24       15.0(1)SE3            C3750E-UNIVERSALK9-M
*    2 30    WS-C3750X-24P      15.0(1)SE3            C3750E-UNIVERSALK9-M
     3 30    WS-C3750X-24       15.0(1)SE3            C3750E-UNIVERSALK9-M

Switch 01
---------
Switch Uptime                   : 5 days, 15 hours, 12 minutes
Base ethernet MAC Address       : E4:D3:F1:DC:FC:00
Motherboard assembly number     : 73-12530-06
Motherboard serial number       : FDO16410YN5
Model revision number           : A0
Motherboard revision number     : A0
Model number                    : WS-C3750X-24T-E
Daughterboard assembly number   : 800-32727-03
Daughterboard serial number     : FDO16410QPM
System serial number            : FDO1641X18T
Top assembly part number        : 800-31327-03
Top assembly revision number    : B0
Version ID                      : V03
CLEI Code Number                : COMJV00ARC
License Level                   : ipservices
License Type                    : Permanent
Next reboot licensing Level     : ipservices

Switch 03
---------
Switch Uptime                   : 1 year, 36 weeks, 6 days, 2 hours, 19 minutes
Base ethernet MAC Address       : 30:F7:0D:CD:29:80
Motherboard assembly number     : 73-12530-06
Motherboard serial number       : FDO16281H00
Model revision number           : A0
Motherboard revision number     : A0
Model number                    : WS-C3750X-24T-E
Daughterboard assembly number   : 800-32727-03
Daughterboard serial number     : FDO16281FSD
System serial number            : FDO1628V1J6
Top assembly part number        : 800-31327-03
Top assembly revision number    : B0
Version ID                      : V03
CLEI Code Number                : COMJV00ARC
License Level                   : ipservices
License Type                    : Permanent
Next reboot licensing Level     : ipservices

Configuration register is 0xF

john.wright · ‎08-12-2014

Leo

After sending that last reply I did a show log on the switch and this is what I see.

Aug 9 05:48:56.043: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3 has ch
Aug 9 05:48:57.050: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3 has ch
Aug 9 21:14:10.326: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 1 has ch
Aug 9 21:14:11.332: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 1 has ch
Aug 11 21:49:03.293: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3 has ch
Aug 11 21:49:04.291: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3 has ch

what would account for those messages?

Leo Laohoo · ‎08-12-2014

Regarding the logs above, post the output to the command "sh switch details".

john.wright · ‎08-13-2014

Leo

KBCUK2Stack01#sh switch det
Switch/Stack Mac Address : e4d3.f1bf.c500
                                           H/W   Current
Switch# Role   Mac Address     Priority Version State
----------------------------------------------------------
1       Member e4d3.f1dc.fc00     15     1       Ready
*2       Master e4d3.f1bf.c500     10     1       Ready
3       Member 30f7.0dcd.2980     5      1       Ready

         Stack Port Status             Neighbors
Switch# Port 1     Port 2           Port 1   Port 2
--------------------------------------------------------
1        Ok         Ok                3        2
2        Ok         Ok                1        3
3        Ok         Ok                2        1

The site also reports that certain ports(the ports that have NAS backup servers connected) are flashing orange.

I am trying to find out what they have in terms of power.

KBCUK2Stack01#sh stack-power
Power stack name: Powerstack-3
    Stack mode: Power sharing
    Stack topology: Ring
    Switch 3:
        Power budget: 190
        Low port priority value: 20
        High port priority value: 11
        Switch priority value: 2
        Port 1 status: Connected
        Port 2 status: Connected
        Neighbor on port 1: e4d3.f1bf.c500
        Neighbor on port 2: e4d3.f1dc.fc00

    Switch 2:
        Power budget: 910
        Low port priority value: 21
        High port priority value: 12
        Switch priority value: 3
        Port 1 status: Connected
        Port 2 status: Connected
        Neighbor on port 1: e4d3.f1dc.fc00
        Neighbor on port 2: 30f7.0dcd.2980

    Switch 1:
        Power budget: 190
        Low port priority value: 22
        High port priority value: 13
        Switch priority value: 4
        Port 1 status: Connected
        Port 2 status: Connected
        Neighbor on port 1: 30f7.0dcd.2980
        Neighbor on port 2: e4d3.f1bf.c500

Does this look like there is a shortage of power?

Leo Laohoo · ‎08-13-2014

Aug  9 05:48:56.043: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3
Aug  9 05:48:57.050: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3
Aug  9 21:14:10.326: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 1
Aug  9 21:14:11.332: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 1
Aug 11 21:49:03.293: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3
Aug 11 21:49:04.291: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3

Error message says the your stacking cable could either be faulty or is not cabled properly.

         Stack Port Status             Neighbors
Switch#  Port 1     Port 2           Port 1   Port 2
--------------------------------------------------------
  1        Ok         Ok                3        2
  2        Ok         Ok                1        3
  3        Ok         Ok                2        1

And the cable that connects switch 2 to switch 3 is the one in question.

I have discovered that there is one power supply per switch and they say there is no power management cables to share power accross the stack.

When you buy a 3560X/3750X, a each box comes with a power stack cable. The cable should be installed as recommended.

The site also reports that certain ports(the ports that have NAS backup servers connected) are flashing orange.

Where is the orange/amber light observed? The switch port? The NAS diagnostics port?

john.wright · ‎08-14-2014

Leo

The amber lights are observed on the switch ports.

I'll have the site people check to insure the stackwise cables are secure.

Thanks for the help

john.wright · ‎08-13-2014

Leo

I have discovered that there is one power supply per switch and they say there is no power management cables to share power accross the stack.

the flashing amber lights on all our NAS devices is concerning. Our server team says that the NAS backup system is working perfectly.

We just don't understand why the amber lights are resticted to just the ports that are connected to a NAS.

any ideas?

thanks

Leo Laohoo · ‎08-12-2014

Ok, 3750X comes with modular power. These power can be accidentally ejected or come loose.

Can someone please eyeball the power supply and the power cable and ensure all components are secure.

Next, do you have a spare power supply, if you do stick the power supply into the empty bay of the 3750X in question and power it up. This exercise will help you determine whether or not the problem is the primary power supply or the switch. If you get another power "hit" with this specific switch member, then you're potentially having an appliance issue.