IP Address Version 4 (IPv4) 網際網路協定位址

Using a /31 subnet mask helps conserve your IP address space for point to point links. It doubles the number of links that you can number from a given block of ...

2024年4月28日 — This article describes how to use of /31 subnet mask on FortiGate interface for point-to-point networks especially ISP connections. Scope ...

2023年5月17日 — Using a 31-bit subnet mask in the Internet core will reduce DoS attacks through the use of directed broadcasts for packet replication.

2024年1月2日 — The /31 subnet mask, just like the /30 subnet mask, is a prefix length used in point-to-point connections between two network devices.

2018年7月22日 — With a /31 subnet, we are left with zero usable hosts. The /31 subnet only has two hosts - one for network and another for broadcast. I am ...

This IP subnet calculator covers both IPv4 and IPv6 protocols, providing information such as IP address, network address, subnet mask, IP range, and more.

2021年2月12日 — * /31 is a special case detailed in RFC 3021 where networks with this type of subnet mask can assign two IP addresses as a point-to-point link.

設定VLSM 時要留意網絡必需可容納多於2 個IP Address 才有用，所以最小的Subnet Mask 為/30，/31 和/32 是沒有意義的。 Subnet Mask, Prefix, IP 數量, 實際可使用IP, 備注 ...

A 32-bit subnet mask defines a network with only one IP address. In mixed routing mode, you can only configure a 32-bit subnet mask for a physical external ...