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在 Red Hat Enterprise Linux 8.0 中,内核包含对 IPVLAN 虚拟网络驱动程序的支持。在这个版本中,IPVLAN 虚拟网络接口卡(NIC)为多个容器启用网络连接,把单个 MAC 地址暴露给本地网络。这允许 一 台主机拥有很多容器,这种限制可能影响到由同级网络设备支持的 MAC 地址数量。
某些网络适配器的固件不支持 802.1ad 标准,该标准也称为 Q-in-Q 或堆叠虚拟本地区域网络(VLAN)。如何验证您的网络适配器是否使用支持 802.1ad 标准的固件以及如何更新固件,请联系您的硬件厂商。因此,使用正确的固件,在 RHEL 8.0 中配置堆栈的 VLAN 可以正常工作。
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