The basic header length of an IPv6 message is a fixed value.

What is the three-layer logical interface used to implement different VXLAN virtual network communication on the VXLAN L3 Gateway?

Which of the following is not the role of EVPN Type2 routing?

OSPFv2 is an IGP running on an IPv4 network; OSPFv3 is an IGP running on an IPv6 network. Compared with OSPFv2, OSPFv3 has a similar LSA type, but the functions are slightly different.
Which of the following is not included in the LSA type of OSPFv3?

QinQ technology is a technology that expands the VLAN space. It achieves the function of expanding the VLAV space by adding a layer of 802.10 Tag on the basis of the 802.1Q tag message.
Which of the following statements about QINQ is wrong?