this is a pve host vmbr ipv6 configure guide
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如果有静态IPv6地址的话,可以直接在PVE的WEBUI “系统 -> 网络” 的具体接口上直接设置静态IPv6地址即可。
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对于家宽来说,没有静态IPv6地址的话,可以按如下方式操作:
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# 1.方式一
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注:无需修改/etc/sysctl.conf
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复制interface
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```
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cp /etc/network/interfaces /etc/network/interfaces.new
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```
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编辑刚刚复制的/etc/network/interfaces.new,在最下方添加(如果有多个网桥,可以添加多次):
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```
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nano /etc/network/interfaces.new
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iface vmbr0 inet6 dhcp # vmbr0修改为你的网桥名称
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request_prefix 1
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```
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在PVE的WEBUI “系统 -> 网络” 处,刷新后点击“应用配置”即可生效,等待几分钟后即可获取到IPv6地址,输入ip -6 a show vmbr0(vmbr0为网桥名称)可查看IPv6地址。
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# 2.方式二
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查看内核也已经开启ipv6自动配置:
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```
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cat /proc/sys/net/ipv6/conf/vmbr0/accept_ra
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1 #返回值
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cat /proc/sys/net/ipv6/conf/vmbr0/autoconf
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1 #返回值
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```
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查看已开启ipv6转发:
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```
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cat /proc/sys/net/ipv6/conf/vmbr0/forwarding
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1 #返回值
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```
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需要将accept_ra值改成2才能自动配置SLAAC ipv6地址:
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```
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vi /etc/sysctl.conf
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```
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最后边添加上如下代码
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```
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net.ipv6.conf.all.accept_ra=2
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net.ipv6.conf.default.accept_ra=2
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net.ipv6.conf.vmbr0.accept_ra=2
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net.ipv6.conf.all.autoconf=1
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net.ipv6.conf.default.autoconf=1
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net.ipv6.conf.vmbr0.autoconf=1
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```
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