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CST is 802.1Q

*edited: never mind. I found the answer in a different book.

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Anonymous
N/A

Re: CST is 802.1Q

The BPDU of the CST and BPDU of the VLAN equal to the PVID of the 802.1Q trunk are sent untagged.

If you want to know more please click following URL:

http://www.cisco.com/en/US/products/sw/iosswrel/ps1834/products_feature_guide09186a008008019c.html

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