Variable Length Subnet Mask 可变长子网掩码 ; 可变长度子网掩码
VLSM Variable-Length Subnet Mask 可变长子网掩码技术
Variable length subnet mask divided 变长子网掩码划分
The new version of RIP is RIP-2. It allows packets to include such information as routing summary, classless interdomain routing, variable length subnet mask and simple authentication.
RIP最新的增强版是RIP - 2规范，它允许在RIP报文中包含路由汇总、无类域问路由、变长子网掩码等信息，并提供了简单的认证机制。
VLSM?Variable – Length Subnet Mask?
可变长度子网掩码?。
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