Question:
Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802.1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified. What will happen in this scenario?
- 802.1Q giants frames could saturate the link.
- VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.
- A native VLAN mismatch error message will appear.
- VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.
Explanation: A “native VLAN mismatch” error will appear by CDP if there is a native VLAN mismatch on an 802.1Q link. “VLAN mismatch” can cause traffic from one vlan to leak into another vlan.
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps
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