This blog was originally started to better help me understand the technologies in the CCIE R&S blueprint; after completing the R&S track I have decided to transition the blog into a technology blog.

CCIE #29033

This blog will continue to include questions, troubleshooting scenarios, and references to existing and new technologies but will grow to include a variety of different platforms and technologies. Currently I have created over 185 questions/answers in regards to the CCIE R&S track!! Note: answers are in the comment field or within "Read More" section.

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Monday, December 13, 2010

Question 182

How do you ensure that VTP pruning does not prune VLAN100 even if the VLAN does not exist on SW2? VLAN pruning must be enabled between SW1 and SW2.

In this scenerio both switches are in VTP Server mode and VTP pruning enabled.

On the trunk port enter the following
config-if#switchport trunk pruning vlan except 100

or

config-if#switchport trunk pruning vlan remove 100

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