Error Message in VTP Catalyst 3750

Unanswered Question
Apr 12th, 2010

Hello:

I have a Stack of Catalyst 3750, since one week ago, the log of the Switch show me some errors in VTP, and the stack doesn´t receive Vlan from others Switch, the log error message are:

*Mar  1 05:04:46.059 GMT: %SW_VLAN-4-VTP_USER_NOTIFICATION: VTP protocol user notification: MD5 digest checksum mismatch on receipt of equal
revision summary on trunk: St3  (CC3750_1erTercioMO-3)
(CC3750_1erTercioMO-3)
*Mar  1 05:04:46.075 GMT: %SW_VLAN-4-VTP_USER_NOTIFICATION: VTP protocol user notification: MD5 digest checksum mismatch on receipt of equal
revision summary on trunk: St1  (CC3750_1erTercioMO-1)
(CC3750_1erTercioMO-1)
*Mar  1 05:04:46.067 GMT: %SW_VLAN-6-VTP_DOMAIN_NAME_CHG: VTP domain name changed to ANTAMINA. (CC3750_1erTercioMO-3)
*Mar  1 05:04:46.075 GMT: %SW_VLAN-6-VTP_DOMAIN_NAME_CHG: VTP domain name changed to ANTAMINA. (CC3750_1erTercioMO-1)
*Mar  1 05:04:57.273 GMT: %SW_VLAN-4-VTP_INTERNAL_ERROR: VLAN manager received an internal error 4 from vtp function vtp_configure_domain: N
o such domain
-Traceback= E88DBC E89508 16BA14 16D02C E06C84 E05DA8 E14614 E1558C E14B08 E19F90 E3FD1C A73D88 A6A858

CC3750_1erTercioMO#sh vtp status
VTP Version                     : running VTP1 (VTP2 capable)
Configuration Revision          : 0
Maximum VLANs supported locally : 1005
Number of existing VLANs        : 5
VTP Operating Mode              : Client
VTP Domain Name                 : ANTAMINA
VTP Pruning Mode                : Disabled
VTP V2 Mode                     : Disabled
VTP Traps Generation            : Enabled
MD5 digest                      : 0xF6 0x1A 0x16 0x1F 0x68 0x06 0x41 0xDC
*** MD5 digest checksum mismatch on trunk: St1 ***
Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00
CC3750_1erTercioMO#

Please, some ideas about what happend, help me in this matter.

Regards.

Fernando.

I have this problem too.
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hstoddart Tue, 04/13/2010 - 07:42

hi Fernando

this is recomendation for cisco

look this link: http://www.cisco.com/en/US/tech/tk389/tk689/technologies_tech_note09186a0080890613.shtml#topic18

Error Message 

%SW_VLAN-4-VTP_INTERNAL_ERROR : VLAN manager received an internal error [dec] from vtp function [chars]: [chars]

Explanation   An unexpected error code was received by the VLAN Manager from the VTP configuration software.

Recommended Action   Copy the message exactly as it appears on the console or in the system log. Research and attempt to resolve the issue using the tools and utilities provided at
http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying information. Search for resolved software issues using the Bug Toolkit at http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl. If you still require assistance, open a case with the Technical Assistance Center via the Internet at
http://tools.cisco.com/ServiceRequestTool/create/http://tools.cisco.com/ServiceRequestTool/create/, or contact your Cisco technical support representative and provide the representative with the gathered information.

Error Message    

%SW_VLAN-4-VTP_USER_NOTIFICATION : VTP protocol user notification: [chars]

Explanation   VTP protocol code encountered an unusual diagnostic situation which the user should be made aware of.

Recommended Action   Copy the message exactly as it appears on the console or in the system log. Research and attempt to resolve the issue using the tools and utilities provided at
http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying information. Search for resolved software issues using the Bug Toolkit at http://www.cisco.com/pcgi-bin/Support/Bugtool/launch_bugtool.pl. If you still require assistance, open a case with the Technical Assistance Center via the Internet at
http://tools.cisco.com/ServiceRequestTool/create/http://tools.cisco.com/ServiceRequestTool/create/, or contact your Cisco technical support representative and provide the representative with the gathered information.

lamav Tue, 04/13/2010 - 08:16

"Explanation   An unexpected error code was received by the VLAN Manager from the VTP configuration software."

"Explanation   VTP protocol code encountered an unusual diagnostic situation which the user should be made aware of."

Is this supposed to be helpful? lol

Giuseppe Larosa Tue, 04/13/2010 - 08:22

Hello Fernando,

>> *Mar  1 05:04:46.059 GMT: %SW_VLAN-4-VTP_USER_NOTIFICATION: VTP protocol  user notification: MD5 digest checksum mismatch on receipt of equal

means the password are different on the two sides of the trunk link fix this and you should solve

Hope to help

Giuseppe

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