Assuming the default switch configuration, which approach should you use to configure the extended vlan range (1006 through 4094) on a Cisco Catalyst 3750 series switch?
A.
Configure the switch to be in VTP client mode.
B.
Configure the switch to be in VTP domaint mode.
C.
Configure the switch to be in VTP transparent mode.
D.
Configure the switch to be in VTPv2.
Why C please..?
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A. In client mode you can’t modify the vlan information. Incorrect.
B. When you add the Sw to a vtp domain, it’s just used to difuse the vlan information, it doesn’t enable the Sw to make changes in the vlan information. Incorrect.
C. In transparent and in server mode the Sw is capable of make changes to the vlan information, in any vlan number. Correct!
D. VTP mode offer new characteristics to the vlan difusion etc, it doesn’t enable the Sw to make vlan changes. Incorrect.
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Thanks a lot for the explanation.
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This is actually pretty obscure. The reason is that the version of Catalyst OS the 3750 shipped with didn’t include support for VTPv3. Because of this, in order to configure extended range VLANs you must use the transparent mode, which is the only way to disable VTP and still update VLANS. VTP v1/2 server does not support the use of the extended range, so if you want to use it you need to configure all your switches manually.
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/configuration/guide/3750xscg/swvlan.html#wp1200242
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