对于经过L3VPN网络转发的报文（统一方式隧道），从入口到出口的变化情况说法正确的是（） About changes of the packet forwarded by L3VPN network (pipe mode: uniform mode) from ingress interface to egress interface, which of the following statements are correct?
发布于 2021-02-15 08:49:41
【多选题】 A 1) 报文完全没有变化 The packet does not change at all. B 2) 报文净荷没有变化 Payload of the packet does not change. C 3) 报文的TTL有变化 TTL of the packet changes. D 4) 报文的校验和有变化 Checksum of the packet changes.
