【答题赢鸿鹄币】VXLAN

小乔

QUESTION 75
Which statement about VXLAN is true?
A. VXLAN encapsulates a Layer 2 frame in an IP-UDP header, which allows Layer 2 adjacency across router boundaries.
B. VXLAN uses the Spanning Tree Protocol for loop prevention.
C. VXLAN extends the Layer 2 Segment ID field to 24-bits, which allows up to 4094 unique Layer 2 segments over the same network.
D. VXLAN uses TCP as the transport protocol over the physical data center network.

选详细解释给予20鸿鹄币奖励

itwong

答案是A, VXLAN是mac-in-ip或者是ip-in-ip，使用UDP/4789, vnid改为2^24=16.7million. VXLAN不再使用STP,

sxxp

A

VXlan mac in udp;  VNi 24bit