Management domain length in VTP

Hi,
I'm preparing for my CCNA. Please don't mind if this is too small question to ask here.
What does the Management Domain length contains in a VTP packet?
Here is the screenshot from a cisco doc for understanding VTP.
Regards,
Chandu

Chandu,
1. Can we find out how many switches are there in the vtp domain including server, client & tansp?
There is no automatic tool for this. VTP protocol itself has no provisions to enumerate the count of switches in a VTP domain and their roles.
2. How to find the count of client switches & transp switches?
Not possible with VTP tools. You could of course visit the configuration of each switch and check its VTP settings but this option is probably not what you are asking for.
And finally is there any use to include the length of the domain name?
Because the IOS needs to know how many bytes in the "Management domain name" field are significant. If you were writing a software to process VTP packets, you would be able to read the entire "Management domain name" field as a 32-byte long string into memory easily, but you still need to know how long is the VTP domain name in that string.
Best regards,
Peter

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"Michael Bell" <[email protected]> wrote in message
news:x34Pp.1877$[email protected]..
> On 6/30/2011 8:21 AM, Mike Goodson wrote:
>> Hi,
>> Our Groupwise system cannot seem to send messages to domain names longer
>> than 63 characters! 63 or less and the message sends, 64 or more and the
>> messages stays in a pending state and is never delivered.
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>> character domain length - Message delivered.*
>> **
>> chelseaarethebestfootballteamintheentireworldxx.qw ertyuio-tv.com *- 64
>> character domain length - Message not delivered, still pending.*
>> **
>> chelseaarethebestfootballteamintheentireworldxxx.q wertyuio-tv.com *- 65
>> character domain length - Message not delivered, still pending.*
>> **
>> **
>> Has anyone come across this problem before or know of any settings (in
>> the GWIA I imagine) that limit this? I thought the maximum number of
>> characters you could use was 254 or 255 for a domain name!
>> Kind regards
>> Mike
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>
>
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