what is subnet mask

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What is a subnet mask?

IP address Structure To understand what a subnet mask is, you must understand the composition of IP addresses. The Internet is composed of many small networks, each of which has many hosts, thus forming a hierarchical structure. When designing an IP address, considering the

What is a subnet mask

What is a subnet mask? The subnet mask, also known as a netmask, address mask, and subnet mask,

Determine if the same subnet is owned by IP address, subnet mask

The subnet mask cannot exist alone, it must be used in conjunction with an IP address. The subnet mask has only one function, which is to divide an IP address into two parts: network address and host address.The subnet

IP address, subnet mask, default gateway, what does the DNS server mean?

IP address, subnet mask, default gateway, what does the DNS server mean? IP address, subnet mask, default gateway, what does the DNS server mean?(a) problem analysis001. Q: IP address, subnet

Asymmetric network subnet mask causes network impassability is "the culprit" _ Networking Tutorials

The network does not pass, this is the most network problem table image, but if you can access me, but I can not access you, this problem is more troublesome. This article is the author in the actual combat in a subnet mask caused by the fault summary. The network

Non-symmetric network failure is caused by subnet mask faults

Non-symmetric network failure is caused by subnet mask faultsNetwork connectivity is a common phenomenon. I believe many people will focus on Network cables, Nic drivers, and nic parameters. When checking Nic parameters, they may also focus on key parameters such as IP addresses, Gateway Addresses, DNS servers, and DHC

Reprinted: determines whether the subnet mask is in the same network segment.

calculated as follows: 2017.hangzhou.hangzhou.00000001, which is converted to a 10-digit system, that is, 0.0.0.1,0.0.0.1 indicates the host ID. To be in the same network segment, you must have the same network ID.Let's take a look at the Class B IP address changed to the default subnet mask.For example, IP Address: 188.188.0.111, 188.188.5.222, all

Subnet Mask and subnet division

the network into several subnets.3. Why do I need to use the subnet mask?Although we can say that the subnet mask can separate the network part and host part of the IP address, we still have questions. For example, why do we need to distinguish the network address from the host address?

Subnet Mask and subnet division

the subnet mask? Although we can say that the subnet mask can separate the network part and host part of the IP address, we still have questions. For example, why do we need to distinguish the network address from the host address? What will happen after the distinction? We

Subnet mask and subnet partitioning--speak clearly

to use the subnet mask Although we say the subnet mask can be separated from the IP address of the network part and the host part, but we still have questions, such as why to distinguish between network address and host address. What about the distinction. Well, let's talk

Subnet Mask and subnet division

say that the subnet mask can separate the network part and host part of the IP address, we still have questions. For example, why do we need to distinguish the network address from the host address? What will happen after the distinction? Well, let's talk about it in detail! When two computers using the TCP/IP protocol communicate with each other, we perform the

Subnet Mask and subnet division

I. Concepts and functions of two subnet masks 3. Why do I need to use a subnet mask 4. How do I use a subnet mask to obtain a network/Host address 5? What is the classification of a

[Go] Subnet mask and subnet division

A summary of the concept and function of two-subnet mask how to use subnet mask four how to get network/host address by subnet mask classification of five subnet masks six

Ip address, subnet mask, and address classification, ip subnet mask

Ip address, subnet mask, and address classification, ip subnet mask Http://blog.csdn.net/bluishglc/article/details/47909593? Utm_source = tuicool utm_medium = referral There are not many opportunities to use network knowledge in actual work. Although I have learned it before, it will become unfamiliar without having

The subnet mask partition is handy to remember

networks.4. Class DClass D addresses start at 111 0. This represents a eight-bit group from 2 2 4 ~ 2 3 9. These addresses are not used for standard I P addresses.Instead, a Class D address refers to a set of hosts that are registered as members of the multicast team. Multicast teams and emailThe allocation list is similar. Just as you can use the Assign list to publish a message to some people, you canMulticast addresses send data to some hosts. Mul

[Ubuntu + opencv] Have you been occupied by mask ?? In opencv, for example, cvcopy (* SRC, * DST, * mask), what is the role of mask?

.................................................................................... ........................................................................ Where? Come on !! Copy to the DST array ...... DST (I) = SRC (I) If mask (I )! = 0. That is to say, if the mask is not null, that

Python: a simple method for converting the subnet mask and a python Subnet Mask

Python: a simple method for converting the subnet mask and a python Subnet Mask This article describes how to convert the subnet mask in Python. We will share this with you for your reference. The details are as follows: Here, t

IP Address/subnet mask/gateway Analysis

IP addresses, subnet masks, and gateways in network management are the basic knowledge that each network administrator must master. Only by mastering them can you really understand the TCP/IP protocol settings. The following describes what a subnet mask is.To understand what

Questions about subnet division and subnet mask odd

As for subnet division, the subnet mask is odd. 1.0.1.0 -- 1.0.3.255 Fujian Telecom converts the subnet mask to an IP segment 1.0.1.0/24--1.0.2.0/23, if two IP addresses are replaced by binary IP addresses in a general way, or the

How to divide a subnet mask

Subnet mask (Subnet masks): The subnet mask is used to identify which part of the IP address is a network address. Which part is the host a

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