Cisco router ip nat command ip natip nat inside destination ip nat inside source list ip nat inside source static ip nat outside source list ip nat outside source static ip
Product Overview:GPRS General Packet RadioService (GPRS) is a universal grouping wireless service. It is a mobile data service available to GSM mobile phone users. It is often described as "2.5 GB ". The theoretical speed can reach 171.2 kbps. Currently, China Mobile Communication Corporation is widely used in GPRS networks in China.
The InRouter 300 series combines Ethernet development requirements and uses the 2.5G/3G mobile network as the bearer network for remote wireless data transmission,
The "vro mode" and "NAT mode" in the router connected to the optical fiber have been working for a long time today, which wastes a lot of time and is stuck in the working mode of the WAN interface of the router. WAN: optical fiber, static IP address. There are two ways for a vro to work: "vro mode" and "NAT mode". I tr
With the rapid development of Internet network, the shortage of IP address has become a very prominent problem. In order to solve this problem, there are many solutions. The following are some of the more effective ways to address translation (NAT) in the current network environment. First, Nat introduction The function of NAT (network address translation) is
Many people may not be very familiar with the NAT router principle, so I have studied the NAT router principle and precautions in its application. I would like to share with you here and hope it will be useful to you. IP address depletion facilitates the development of CIDR, but the main purpose of CIDR development is
It is still difficult for general users to implement effective Cisco router nat configuration. So I have studied the comprehensive knowledge about Cisco router nat configuration and will share it with you here, I hope it will be useful to you.
1. NAT introduction:
NATNetwor
Experiment Name: Cisco router network address translation (NAT)Experimental purpose: To achieve all intranet IP to use a small number of public IP network connection to the InternetExperiment Introduction:With the help of NAT technology, when the intranet private address sends packets to the router, the private address
Recently, a friend asked me how to configure static NAT for a Cisco router to allow Internet users to access the Intranet Web and email servers through a Cisco router. Obviously, this function requires NAT between the public IP address and the Intranet IP address. The following are the specific implementation methods.
This article mainly describes the principles of NAT and various ADSL Modem and Alpha router port ing. There is not much direct connection to Alpha router port ing, But I have explained many principles, therefore, it will be helpful for you to learn more about port ing of the Alpha router.
CISCO Router Network Address Translation (NAT)Tutorial name: Cisco Router Network Address Translation (NAT) objective: to connect all Intranet IP addresses to the Internet using a small number of public IP addresses. Tutorial Introduction: using NAT technology, when an intra
customized within a Network as needed without application. In the network, computers communicate through internal IP addresses. When the internal computer needs to communicate with the external internet, the device with the NAT Function (such as a router) converts an internal IP address to a valid IP address (that is, the requested IP address) for communication.
2.
1. NAT Overview
NATNetwork Address Translation) the network Address Translation function is to convert an illegal IP Address defined within the enterprise to a legal IP Address recognized on the Internet.
Due to the limitation of IPv4, the Internet is facing a shortage of IP address space. It is unrealistic to apply from the ISP and assign a valid IP address to each employee of the enterprise. NAT can effe
"Command explanation: Set an access control list with the list number 1."Rule normal permit source 10.83.91.254 0.0.1.255"Command explanation: Add Rules for the access control list to allow all IP addresses in the 10.83.91.254/255.255.254.0 CIDR block to pass. Note that the reverse mask format 0.0.1.255 is used in the command. In fact, it indicates that the subnet mask is 255.255.254.0."Nat outbound 1 interface"Command Description: Set the
With the development of the routing industry, the market demand is more extensive, but many users still do not understand the routing configuration issues. Here we mainly provide a comprehensive description of the Cisco router NAT configuration. More and more INTERNET resource sharing methods are available. In most cases, ddnleased lines are widely used with their stable performance and good scalability.
DD
In Cisco router configurations, NAT configurations are frequently used. I hope the introduction below will be helpful to the majority of fans. It is a common method. The vro performs simple NAT translation and sets a CIDR Block in the NAT address pool. After a while, I found that the address pool was a waste of time. W
I. Overview:IPSec VPN has a variety of methods through NAT, NAT-T is one of them. Generally, IPSec VPN cannot cross the NAT device because the ESP traffic does not have a port number as the TCP or UDP traffic does. When the first phase of the test of IPSec VPN is aggressive-mode, it is not intended to appear in the PIX/ASA by default if the
NAT configuration on a CISCO router is in full swing and causes the shortage of IP addresses. to alleviate this problem, an important application is NAT (Network Address Translation ), it is widely used. Through address translation, NAT enables enterprises to access the Internet by using only a small number of valid IP
I. Networking requirements:
As an egress NAT router, MSR limits the maximum number of NAT sessions on the internal host 192.168.0.3 and 192.168.0.2 by default.
Device List: One MSR series router
Ii. Networking diagram:
3. configuration steps:
MSR Configuration
#
// Enable connection restriction, which must be configu
NAT is the most widely used function in Internet cafes. Generally, the operator provides one IP address to the Internet cafe, and there are a large number of PCs in the internet cafe. So many PCs need to access the Internet through this unique IP address, how can we achieve this?
The answer is NAT, that is, network IP address translation for Internet cafes.
When an internal PC accesses the Internet, a cor
address internal legal address
(2), specify the internal port of the connection network to enter in the Port settings state:
IP nat Inside
(3) Specifies that the external port connecting the external network is entered in the Port setting state:
IP Nat Outside
Note: You can define multiple internal ports and multiple external ports according to your actual needs.
This example realizes the static
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