Re: vtp mode / pruning

From: Frank (ocsic@web.de)
Date: Thu Nov 09 2006 - 07:38:27 ART


Ivan schrieb:

Hi Ivan,

sorry for the confusion, but that does not change anything. I know
switches autoconfigure if you set one side to
a domain name the other side will also, if unset. But it seems like vtp
does not depend on which
mode the vtp domain is or even if there is no mode configured. If i
enable vtp, it's always on.

Rack1SW1#sh vtp st
VTP Version : 2
Configuration Revision : 0
Maximum VLANs supported locally : 1005
Number of existing VLANs : 12
VTP Operating Mode : Transparent
VTP Domain Name :
VTP Pruning Mode : Enabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0x45 0x26 0x0B 0xF2 0xA6 0x03 0x3E 0x5B
Configuration last modified by 156.1.7.7 at 3-1-93 03:30:29

Rack1SW1#sh int pru

Port Vlans pruned for lack of request by neighbor
Po1 none

Port Vlan traffic requested of neighbor
Po1 none
Rack1SW1#

> VTP-message spread across VTP-domain. Empty VTP-domain usually need to
> autoconfigure switch to existing VTP-domain in current network.
>
> In your dump SW1 in Server mode not in transparent.
>
> On Thursday 09 November 2006 12:48, Frank wrote:
>
>> Ivan schrieb:
>>
>> Hi,
>>
>> ok. That means, i don't have to set a vtp domain to have pruning. By
>> default switches are
>> set to server without domain.
>>
>> So if i don't change them, pruning will be possbile. If i change both
>> switches to transparent
>> pruning will not be able even if enabled? How do i verify this?
>>
>> I set both to transparent:
>>
>> Rack1SW1#sh vtp st
>> VTP Version : 2
>> Configuration Revision : 0
>> Maximum VLANs supported locally : 1005
>> Number of existing VLANs : 12
>> VTP Operating Mode : Server
>> VTP Domain Name :
>> VTP Pruning Mode : Enabled
>> VTP V2 Mode : Disabled
>> VTP Traps Generation : Disabled
>> MD5 digest : 0x45 0x26 0x0B 0xF2 0xA6 0x03 0x3E 0x5B
>> Configuration last modified by 156.1.7.7 at 3-1-93 03:30:29
>> Local updater ID is 156.1.7.7 on interface Vl7 (lowest numbered VLAN
>> interface found)
>>
>> Rack1SW1#sh int pru
>>
>> Port Vlans pruned for lack of request by neighbor
>> Po1 none
>>
>> Port Vlan traffic requested of neighbor
>> Po1 none
>>
>>
>>
>> Frank
>>
>>
>>> To enable VTP pruning need to enable only on VTP-server. Therefore
>>> VTP-domain must be operatable.
>>>
>>> On Thursday 09 November 2006 10:31, Frank wrote:
>>>
>>>> Hi,
>>>>
>>>> i have a question about vtp and pruning.
>>>>
>>>> Is it necessary to set a vtp domain to be able to do pruning?
>>>>
>>>>
>>>> Frank
>>>>
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