PrepAway - Latest Free Exam Questions & Answers

Category: 642-384

Exam 642-384: Cisco Express Foundation for Field Engineers

What does PVST+ do to correct this?

Refer to the exhibit.

Switches A and C are running PVST+ STP, and switch B is running 802.1Q STP, if the BPDU of the root in VLAN 1 is better than the BPDU of the root in VLAN 2, then there is no blocking port in the VLAN 2 topology. The BPDU of VLAN 2 never makes a full circle around the topology, it is replaced by the VLAN 1 BPDU on the B_C link, because B runs only one STP merged with VLAN ! STP of PVST+ Thus, there is a forwarding loop What does PVST+ do to correct this?


Page 8 of 13« First...678910...Last »