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盐酸乙酰胆碱

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发布2月25日2026/02/25 03:33
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IPv6 的中间路由如果遇到超 MTU packet too big 并不会像 v4 那样分片传送，而是直接丢包返回原地址 icmp6 packet too big RFC 8200 4.5. Fragment Header The Fragment header is used by an IPv6 source to send a packet larger than would fit in the path MTU to its destination. (Note: unlike IPv4, fragmentation in IPv6 is performed only by source nodes, not by routers along a packet's delivery path -- see Section 5.)