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.

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Tuesday, November 2, 2010

Question 168

What command can be used to ensure that if a port receives a BPDU the port is put into errdisable state?
Posted by Packets Analyzed at 9:26 PM
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1 comments:

Packets Analyzed said...

"spanning-tree portfast bpduguard default" global configuration command ensures that any port that is configured with portfast will be put into errdisable state if a BPDU is received.

"spanning-tree bpduguard" interface configuration command will put the port into errdisable state if a BPDU is received.

November 7, 2010 at 7:19 PM

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