1.4.a VTPv1, VTPv2, VTPv3, VTP pruning
1.4.d Manual pruning
Before I get to manual pruning, VTP version 3 deserves a mention.
VTP version 3 comes with a bit of an upgrade that sets itself apart from earlier versions, to wit:
Version 3 now supports extended range vlans and private vlans.
The vtp database can support other formats, ie, MST.
Precautions against database hijacking, ie, inserting a switch with a higher revision number
can’t whack the existing database because only the primary vtp domain server may make
Hidden and secret passwords are available, not just plain text
Version 3 can be configured per port instead of only globally as in earlier versions.
Version 3 offers optimized resource handling and more efficient information transfer, whatever that means. (Sounds like marketing)
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Let’s look at vtp version 3.
From enable mode make the vtp server the primary vtp server. See below:
Then continue as for the earlier versions, except for the password. Hidden and secret are now
SW1(config)#vtp password ccie secret
VTP secret has to be 32 characters in length
SW1(config)#vtp password ccie hidden
Setting device VTP password
As discussed earlier in the VTP section, VTP pruning in my estimation is about the only good thing to come from the whole VTP mess.
Manual pruning is what it says; manual. If you are not using VTP pruning to limit unnecessary broadcasts then you will want to prune vlans that are not in use, by hand.
I have begun using CCIE Lab Builder, mostly because the folks over at CLN asked if i might take it for a test drive. Well, I’m driving it. See this video for a quick up and running.
That is the topology builder. See the video for tips on how to take some of the pain out of initially configuring a topology.
I will have more posts about it. stay tuned.