主 题：cloudcone ipv6的MTU有问题，尽快自行修改
发 布 者：Flanker
标签分类： 日常
时 间：2026-07-17 13:41:04
内容预览：先说结论 ： IPV6的MTU需要设置到1400..========== IPv6 当前状态测试 ==========测试 IPv6，当前 MTU：1500Get:1 http://security.debian.org/debian-security trixie-security/main amd64 linux-libc-dev all 6.12.95-1 [2,852 kB]Err:1 http://security.debian.org/debian-security trixie-security/main amd64 linux-libc-dev all 6.12.95-1 Connection timed out [IP: 2a04:4e42:200::644 80]E: Failed to fetch http://security.debian.org/debian-security/pool/updates/main/l/linux/linux-libc-dev_6.12.95-1_all.deb Connection timed out [IP: 2a04:4e42:200::644 80][FAIL] IPv6 下载失败，退出码 100，大小 0 字节========== 开始测试不同 MTU ==========临时测试 MTU 1480测试 IPv6，当前 MTU：1480Get:1 http://security.debian.org/debian-security trixie-security/main amd64 linux-libc-dev all 6.12.95-1 [2,852 kB]Err:1 http://security.debian.org/debian-security trixie-security/main am
直达链接： https://www.nodeseek.com/post-826070-1
发 布 者：Flanker
标签分类： 日常
时 间：2026-07-17 13:41:04
内容预览：先说结论 ： IPV6的MTU需要设置到1400..========== IPv6 当前状态测试 ==========测试 IPv6，当前 MTU：1500Get:1 http://security.debian.org/debian-security trixie-security/main amd64 linux-libc-dev all 6.12.95-1 [2,852 kB]Err:1 http://security.debian.org/debian-security trixie-security/main amd64 linux-libc-dev all 6.12.95-1 Connection timed out [IP: 2a04:4e42:200::644 80]E: Failed to fetch http://security.debian.org/debian-security/pool/updates/main/l/linux/linux-libc-dev_6.12.95-1_all.deb Connection timed out [IP: 2a04:4e42:200::644 80][FAIL] IPv6 下载失败，退出码 100，大小 0 字节========== 开始测试不同 MTU ==========临时测试 MTU 1480测试 IPv6，当前 MTU：1480Get:1 http://security.debian.org/debian-security trixie-security/main amd64 linux-libc-dev all 6.12.95-1 [2,852 kB]Err:1 http://security.debian.org/debian-security trixie-security/main am
直达链接： https://www.nodeseek.com/post-826070-1
