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VTP advertisment mechanism

Hello everybody! 

Dear Friends,

I am looking for detailed  information about VTP messaging algorithm. It sounds so easy but not...

  1. I haven't been ever found exact, detailed, verbose information regarding: which VTP domain role respectively which type of messages does made up?
    Something like: server - all, client-request, ...
  2. And in which situation. I would like to create approximate logic graph of VTP messaging.

Cisco books and many materials describe messages details but not logic of triggering it and match domain role with advertisement type.  

1 REPLY 1
Engager

Hello,

Hello,

especially for the first VTP version you can find a lot of details in US Patent 6304901 (just google it). The following documents contain a lot of details as well (and are easier to read I guess):

http://www.cisco.com/c/en/us/support/docs/lan-switching/vtp/10558-21.html

http://www.ieee802.org/1/files/public/docs1999/vlan-trunk-prot.txt

http://archive.is/MwKfa

HTH
Rolf

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