[c-nsp] C3750G Stacking

Andrew Miehs andrew at 2sheds.de
Mon Oct 5 11:47:09 EDT 2015


May be a faulty cable/ module.
You may want to try first with only one cable, and then with the other. Then try different ports with one cable only.

Andrew

Sent from a mobile device

> On 6 Oct 2015, at 02:29, Chris Knipe <savage at savage.za.org> wrote:
> 
> Hi Guys,
> 
> I currently have a C3750G-48TS-S running and working fine.  I am attempting
> to add a second C3750-48TS-S as a slave into a stack.
> 
> 1) Both switches confirmed to be identical platforms
> 2) Both switches confirmed to be running identical IOS
> 3) Stacking cables connected correctly,
> 3.1) SW01 port 1 to SW02 port 2
> 3.2) SW01 port 2 to SW02 port 1
> 4) Stacking cables has been double and tripple checked to be connected
> correctly, and securely.
> 
> SW01 (the master)
> switch 1 provision ws-c3750g-48ts
> switch 2 provision ws-c3750g-48ts
> 
> SW01#sh switch detail
> Switch/Stack Mac Address : 0026.52e8.f980
>                                           H/W   Current
> Switch#  Role   Mac Address     Priority Version  State
> ----------------------------------------------------------
> *1       Master 0026.52e8.f980     15     0       Ready
> 2       Member 0000.0000.0000     0      0       Provisioned
> 
> 
> 
>         Stack Port Status             Neighbors
> Switch#  Port 1     Port 2           Port 1   Port 2
> --------------------------------------------------------
>  1       Down       Down             None     None
> 
> 
> This however, bothers me:
> SW01#sh switch stack-ring speed
> 
> Stack Ring Speed        : 16G
> Stack Ring Configuration: Half
> Stack Ring Protocol     : StackWise
> 
> 
> When I boot up SW02, the switch detects that it is switch 2 in the stack,
> but it shuts down stacking ports, and becomes master, instead of slave...
> 
> Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12.2(40)SE,
> RELEASE SOFTWARE (fc3)
> Copyright (c) 1986-2007 by Cisco Systems, Inc.
> Compiled Fri 24-Aug-07 00:53 by myl
> Image text-base: 0x00003000, data-base: 0x01380000
> 
> Initializing flashfs...
> 
> flashfs[1]: 450 files, 7 directories
> flashfs[1]: 0 orphaned files, 0 orphaned directories
> flashfs[1]: Total bytes: 32514048
> flashfs[1]: Bytes used: 10718720
> flashfs[1]: Bytes available: 21795328
> flashfs[1]: flashfs fsck took 2 seconds.
> flashfs[1]: Initialization complete....done Initializing flashfs.
> 
> POST: CPU MIC register Tests : Begin
> POST: CPU MIC register Tests : End, Status Passed
> 
> POST: PortASIC Memory Tests : Begin
> POST: PortASIC Memory Tests : End, Status Passed
> 
> POST: CPU MIC interface Loopback Tests : Begin
> POST: CPU MIC interface Loopback Tests : End, Status Passed
> 
> POST: PortASIC RingLoopback Tests : Begin
> POST: PortASIC RingLoopback Tests : End, Status Passed
> 
> SM: Detected stack cables at PORT2
> 
> Waiting for Stack Master Election...
> SM: Waiting for other switches in stack to boot...
> #######################################################################################################################
> SM: All possible switches in stack are booted up
> 
> front_end/ (directory)
> extracting front_end/fe_type_1 (34696 bytes)
> extracting front_end/fe_type_2 (54584 bytes)
> extracting front_end/front_end_ucode_info (86 bytes)
> extracting ucode_info (76 bytes)
> POST: PortASIC CAM Subsystem Tests : Begin
> POST: PortASIC CAM Subsystem Tests : End, Status Passed
> 
> POST: No Cable found on stack port 1
> 
> POST: PortASIC Stack Port Loopback Tests : Begin
> POST: Found Stack port 1 Down
> POST: Found Stack port 2 Down
> POST: Skipping Stack port External loopback
> POST: PortASIC Stack Port Loopback Tests : End, Status Passed
> 
> POST: PortASIC Port Loopback Tests : Begin
> POST: PortASIC Port Loopback Tests : End, Status Passed
> 
> Election Complete
> Switch 2 booting as Master
> Waiting for Port download...Complete
> 
> 
> 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 at cisco.com.
> 
> cisco WS-C3750G-48TS (PowerPC405) processor (revision F0) with
> 118784K/12280K bytes of memory.
> Processor board ID FOC1129Z26Y
> Last reset from power-on
> 1 Virtual Ethernet interface
> 52 Gigabit Ethernet interfaces
> The password-recovery mechanism is enabled.
> 
> 512K bytes of flash-simulated non-volatile configuration memory.
> Base ethernet MAC Address       : 00:1C:B1:E8:96:00
> Motherboard assembly number     : 73-10218-08
> Power supply part number        : 341-0107-01
> Motherboard serial number       : FOC112902Z8
> Power supply serial number      : AZS1126122P
> Model revision number           : F0
> Motherboard revision number     : C0
> Model number                    : WS-C3750G-48TS-S
> System serial number            : FOC1129Z26Y
> Top Assembly Part Number        : 800-26857-02
> Top Assembly Revision Number    : A0
> Version ID                      : V04
> CLEI Code Number                : COM7X10ARA
> Hardware Board Revision Number  : 0x09
> 
> 
> Switch   Ports  Model              SW Version              SW Image
> ------   -----  -----              ----------              ----------
> *    2   52     WS-C3750G-48TS     12.2(40)SE              C3750-IPBASEK9-M
> 
> Failed to generate persistent self-signed certificate.
>    Secure server will use temporary self-signed certificate.
> 
> 
> 
> Press RETURN to get started!
> 
> 
> 00:04:41: %STACKMGR-4-SWITCH_ADDED: Switch 2 has been ADDED to the stack
> 00:04:43: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed
> state to down
> 00:04:45: %SPANTREE-5-EXTENDED_SYSID: Extended SysId enabled for type vlan
> 00:04:48: %SYS-5-CONFIG_I: Configured from memory by console
> 00:04:48: %STACKMGR-5-SWITCH_READY: Switch 2 is READY
> 00:04:48: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 2 has changed
> to state DOWN
> 00:04:48: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 2 has changed
> to state DOWN
> 00:04:48: %STACKMGR-5-MASTER_READY: Master Switch 2 is READY
> 00:04:49: %SYS-5-RESTART: System restarted --
> Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12.2(40)SE,
> RELEASE SOFTWARE (fc3)
> Copyright (c) 1986-2007 by Cisco Systems, Inc.
> Compiled Fri 24-Aug-07 00:53 by myl
> 00:04:49: %LINK-5-CHANGED: Interface Vlan1, changed state to
> administratively down
> 
> 
> Google seems to be full of issues similar to this, but they're not really
> forth coming with a solution to the issue.
> 
> Rebooting SW01 (current master), is out of the question.  SW02 (the slave)
> can have anything done to it at this point in time.
> 
> 
> 
> -- 
> 
> Regards,
> Chris Knipe
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