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VTP in SWITCH 2960XR

flielguera
Level 1
Level 1

Good afternoon everyone, I have the following problem:
I bought 05 SW 2960XR, new, have come with IOS 15.2 (2) E6, have joined via via Cisco C2960X-Stack = modules.
Everything has worked well, until I wanted to define my VTP. When I change the VTP mode from Server to Client, the LOG, shows me the following error messages:

Switch#config t

Enter configuration commands, one per line. End with CNTL/Z.

Switch(config)#vtp mode trans

Switch(config)#vtp mode transparent

Setting device to VTP Transparent mode for VLANS.

Switch(config)#

Oct 1 10:03:17.928: %SW_VLAN-4-VTP_INTERNAL_ERROR: VLAN manager received an int

ernal error 4 from vtp function vtp_configure_domain: No such domain

-Traceback= 555EECz 203B6A0z 47F6D8z 486784z 4989C4z 2E31644z 2E2D340z

Switch(config)#

Switch(config)#

 

Switch(config)#

Switch(config)#vtp mode client

Setting device to VTP Client mode for VLANS.

Switch(config)#

Oct 1 10:04:02.370: %SW_VLAN-4-VTP_INTERNAL_ERROR: VLAN manager received an int

ernal error 4 from vtp function vtp_configure_domain: No such domain

-Traceback= 555EECz 203B6A0z 47F6D8z 486784z 4989C4z 2E31644z 2E2D340z

Switch(config)#

Switch(config)#

Switch(config)#

When I enter the command "sh vtp status" it also shows me an error:

Switch#sh
Oct  1 09:31:08.485: %SYS-5-CONFIG_I: Configured from console by vty0 (127.0.0.4) vty p status
VTP Version capable             : 1 to 3
VTP version running             : 1
VTP Domain Name                 : ANTAMINA
VTP Pruning Mode                : Disabled
VTP Traps Generation            : Disabled
Device ID                       : 706b.b9fc.5d80
Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00

Feature VLAN:
--------------
VTP Operating Mode                : Client
Maximum VLANs supported locally   : 1005
Number of existing VLANs          : 5
Configuration Revision            : 0
MD5 digest                        : 0xF6 0x1A 0x16 0x1F 0x68 0x06 0x41 0xDC
                                    0x85 0xDC 0x93 0x75 0x5E 0x02 0xC3 0xDE
*** MD5 digest checksum mismatch on trunk: St3 ***
Switch#

I have reviewed different POST in internet as well as in "supportforums" but there they talk about old versions of IOS and of recommendation that already applies them and they do not work for my case.

Please, anyone had any idea what may be happening.
I would appreciate your help.
Greetings from Peru,

3 Replies 3

Hello,

the VTP version could be the problem, make sure it is the same on all switches. Set it to the highest version accepted by all switches (probably 2 or 3)...

Also, since your output states that the MD5 digest is wrong, make sure you use the same VTP domain password on all switches...

Hi

Try server mode to Transparent mode then to client, and set up the VTP version 2.

We could discard a bug because it is a recent IOS. 




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Leo Laohoo
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VTP Domain and VTP password must be configured first before VTP mode can be changed.
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