From: Maxim Kurushkin (m.kurushkin@orange-ftgroup.ru)
Date: Sun Jul 22 2007 - 08:33:08 ART
Hi, Ben.
VTPv2 transparent switches do not forward VTP updates unless the domain
in the update matches the locally configured domain.
bugID CSCsi65330
doc: VTPv2 Transparent doesn't forward for other domains
*Symptom:*
Configuration guides for VTP have not been updated to reflect change in
VTPv2 transparent mode behaviour from CSCea40015. VTPv2 transparent
switches do not forward VTP updates unless the domain in the update
matches the locally configured domain.
This is a documentation bug.
*Conditions:*
Documentation is incorrect in configuration guides for versions
including and after Integrated-in versions for CSCea40015.
WBR,
Maxim
Ben wrote:
> Thank you Joseph. I know that works, and to be able to continue with other
> tasks of the lab, I have done that. However the task requirement is for the
> transparent switch to be in domain 10.
>
> Ben
>
>
>
> On 7/22/07, Joseph Saad <joseph.s.saad@gmail.com> wrote:
>
>> Try having VTP domain name as 789 on the VTP-Transparent-mode switch.
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Ben
>> Sent: Sunday, July 22, 2007 9:46 AM
>> To: Cisco certification
>> Subject: Re: vtp across transparent mode switch
>>
>> Vtp version 2 is enable in SW1,SW4,SW3
>> Trunks are up between SW1--SW4--SW3
>>
>> Here are vtp debugs
>>
>> SW3
>> 01:42:30: VTP LOG RUNTIME: Transmit vtp request, domain 789, start value 0
>>
>> SW4
>> 01:42:33: VTP LOG RUNTIME: Dropping packet received on trunk Fa0/20 - not
>> in
>> domain 789
>>
>>
>> Ben
>>
>>
>>
>>
>>
>> On 7/22/07, Ben <bmunyao@gmail.com> wrote:
>>
>>> Hi
>>>
>>> i once did a scenario as follows and succeeded in getting vlans
>>> propagated by vtp across a transparent switch.
>>>
>>>
>>> dot1q dot1q
>>> SW1-----------------------SW4----------------------------SW3
>>> vtp server vtp transparent vtp client
>>>
>>>
>>> Today I'm trying the same and I can't figure out why its not working.
>>>
>>> Here is SW4 config:
>>>
>>> vtp domain 10
>>> vtp mode transparent
>>> !
>>> spanning-tree mode mst
>>> !
>>> spanning-tree mst configuration
>>> name IESTP
>>> revision 10
>>> instance 1 vlan 1, 5, 12, 107
>>> instance 2 vlan 27, 34, 58
>>> instance 3 vlan 46, 89, 363
>>> !
>>> spanning-tree mst 0-4 priority 24576
>>> !
>>> vlan 5,12,27,34,46,58,89,100,107,200,363
>>>
>>> Rack1SW4#sh vtp status
>>> VTP Version : 2
>>> Configuration Revision : 0
>>> Maximum VLANs supported locally : 1005
>>> Number of existing VLANs : 16
>>> VTP Operating Mode : Transparent
>>> VTP Domain Name : 10
>>> VTP Pruning Mode : Disabled
>>> VTP V2 Mode : Enabled
>>> VTP Traps Generation : Disabled
>>>
>>>
>>> SW1 config
>>>
>>> spanning-tree mode mst
>>> spanning-tree extend system-id
>>> !
>>> spanning-tree mst configuration
>>> name IESTP
>>> revision 10
>>> instance 1 vlan 1, 5, 12, 107
>>> instance 2 vlan 27, 34, 58
>>> instance 3 vlan 46, 89, 363
>>> !
>>>
>>> Rack1SW1#sh vtp status
>>> VTP Version : 2
>>> Configuration Revision : 1
>>> Maximum VLANs supported locally : 1005
>>> Number of existing VLANs : 14
>>> VTP Operating Mode : Server
>>> VTP Domain Name : 789
>>> VTP Pruning Mode : Disabled
>>> VTP V2 Mode : Disabled
>>> VTP Traps Generation : Disabled
>>>
>>> Rack1SW1#sh vl bri
>>>
>>> VLAN Name Status Ports
>>> ---- -------------------------------- ---------
>>> -------------------------------
>>> 1 default active Fa0/1, Fa0/2, Fa0/3,
>>>
>> Fa0/4
>>
>>> Fa0/5, Fa0/6, Fa0/7,
>>>
>> Fa0/8
>>
>>> Fa0/9, Fa0/10, Fa0/11,
>>> Fa0/12
>>> Fa0/14, Fa0/15, Fa0/16,
>>> Fa0/17
>>> Fa0/18, Fa0/19, Fa0/21,
>>> Fa0/22
>>> Fa0/23, Fa0/24, Gi0/1,
>>> Gi0/2
>>> 5 VLAN0005 active
>>> 12 VLAN0012 active
>>> 27 VLAN0027 active
>>> 34 VLAN0034 active
>>> 46 VLAN0046 active
>>> 58 VLAN0058 active
>>> 89 VLAN0089 active
>>> 107 VLAN0107 active
>>> 363 VLAN0363 active
>>> 1002 fddi-default act/unsup
>>> 1003 token-ring-default act/unsup
>>> 1004 fddinet-default act/unsup
>>> 1005 trnet-default act/unsup
>>> Rack1SW1#
>>>
>>> SW3 trobleshooting
>>>
>>> Rack1SW3#
>>> Rack1SW3#sh vtp status
>>> VTP Version : 2
>>> Configuration Revision : 0
>>> Maximum VLANs supported locally : 1005
>>> Number of existing VLANs : 5
>>> VTP Operating Mode : Client
>>> VTP Domain Name : 789
>>> VTP Pruning Mode : Disabled
>>> VTP V2 Mode : Disabled
>>> VTP Traps Generation : Disabled
>>> MD5 digest : 0x83 0xB7 0x38 0xD8 0x0F 0x49 0x38
>>>
>> 0x45
>>
>>> Configuration last modified by 0.0.0.0 at 0-0-00 00:00:00
>>> Rack1SW3#
>>>
>>> Rack1SW3#sh vl bri
>>>
>>> VLAN Name Status Ports
>>> ---- -------------------------------- ---------
>>> -------------------------------
>>> 1 default active Fa0/1, Fa0/2, Fa0/3,
>>>
>> Fa0/4
>>
>>> Fa0/5, Fa0/6, Fa0/7,
>>>
>> Fa0/8
>>
>>> Fa0/9, Fa0/10, Fa0/11,
>>> Fa0/12
>>> Fa0/13, Fa0/14, Fa0/15,
>>> Fa0/16
>>> Fa0/17, Fa0/18, Fa0/19,
>>> Fa0/21
>>> Fa0/22, Fa0/23, Fa0/24,
>>> Gi0/1
>>> Gi0/2
>>> 1002 fddi-default act/unsup
>>> 1003 token-ring-default act/unsup
>>> 1004 fddinet-default act/unsup
>>> 1005 trnet-default act/unsup
>>> Rack1SW3#
>>>
>>> I would appreciate any comments or guidance
>>>
>>> Ben
>>>
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>
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