07-12-2011 05:43 PM - edited 03-07-2019 01:11 AM
We have a pair of 6513s and upgraded the IOS version to 12.2(33)SXI4a. After the upgrade we noticed VTP Pruning was disabled:
#sh vtp stat
VTP Version : 3 (capable)
VTP Operating Mode : Server
VTP Pruning Mode : Disabled (Operationally Disabled)
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
Is there any effect to production we need to to consider when re-enabling? (In other words, do we need to wait until a maintenance window to enable?)
Also, we are using VTP v2 (and v1...) on our VTP Client 3560 access switches. Any considerations there?
Many thanx
-michael
07-12-2011 07:48 PM
Since enabling VTP pruning will eliminate unnecessary flooding of unicast and broadcast, it should effect the production network. However to be on the safe side, you can enable it during an outage window.
HTH
Reza
11-09-2012 01:39 PM
We are (finally) revisiting this. I want to confirm a few points before we proceed:
a) Will there be an impact to SPT when enabling VTP?
b) We are using Catalyst 3560s at the access layer, IOS v12.2(44) -- since these are not VTP v3-capable, any config considerations on the cores?
c) Any other commands to be considered? or just "(config)#vtp pruning" on the cores?
Current VTP status:
#sh vtp stat
VTP Version : 3 (capable)
Configuration Revision : 440
Maximum VLANs supported locally : 1005
Number of existing VLANs : 159
VTP Operating Mode : Server
VTP Domain Name :
VTP Pruning Mode : Disabled (Operationally Disabled)
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0x83 0x91 0x10 0x08 0x9B 0xC5 0x9B 0x47
Configuration last modified by
Local updater ID is
VTP version running : 1
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