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5.1是新出来的\r\n\r\n5.1和4.5还是有区别的\r\n\r\n5.1没有boot,service,standby network的概念了\r\n\r\nIPAT and Service IP Labels\r\nThe following list summarizes how IPAT manipulates the service IP label:\r\nWhen IPAT via IP Aliases is used\r\nThe service IP address/label is aliased onto the same network interface as an existing communications\r\ninterface.\r\nThat is, multiple IP addresses/labels are configured on the same network interface at the same time. In this\r\nconfiguration, all IP addresses/labels that you define must be configured on different subnets. \r\nThis method can save hardware, but requires additional subnets.\r\nWhen IPAT via IP Replacement is used\r\nThe service IP address/label replaces the existing IP address/label on the network interface.\r\nThat is, only one IP address/label is configured on the same network interface at the same time. In this\r\nconfiguration, two IP addresses/labels on a node can share a subnet, while a backup IP address/label on the node must be on a different subnet.\r\nThis method can save subnets but requires additional hardware.\r\n\r\nip alias是新出来的概念,而且是缺省的配置。ip replace相当于老的4.5的概念 |
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