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This article describes the basic working principles of routers in TCP/IP networks and introduces several functions of IP routers, the static and dynamic routing protocols, as well as the concepts of the internal gateway protocol and the external

The tengda vro Upgrade tutorial is currently very fast and fast. However, many people do not know how to upgrade the vro. Today, we will take tengda vro as an example to describe it in detail. 1. log on to the tengda router's official website and

Cisco router register configuration objective: Register configuration is used to change the router startup process. The Start bit consists of four hexadecimal registers. The value range of 0 xABCD www.2cto.com ranges from 0x0 to 0 xFFFF 0x2102:

RGMP: Cisco router port group management protocol (rgmp) makes up for the Internet group management protocol (Igmp: Internet group management protocol) problems in snoopIng technical mechanisms. The rgmp protocol acts between multicast routers and

Cisco router nat translation 1. One-to-one correspondence between the internal address and the egress address disadvantages: When the egress address resources are scarce, only a small number of hosts can be connected to the internet. 2. The internal

A comprehensive case of Cisco inter-VLAN routing and HSRP topology Description: www.2cto.com 1. R3 and R4 simulate the customer's pc, which belong to vlan10 and vlan20 respectively. Vlan10 and vlan20 represent different departments in reality. 2. SW1

CCNA Common commands Chinese comments Access-enable allows the router to create a temporary Access list entry Access-group in the dynamic Access list (ACL) access-list on the application interface defines a standard ip acl www.2cto.com

Two methods for communication between different VLANs (single-arm routing and layer-3 Switching)Test environment: Third data center, second floor, east suburbInvestigational device: Catalyst 2950-24 (SW3)Cisco 2611 (R2)Catalyst 3750 SERIES (with two

Self-taught CCIE route protocol troubleshooting 01. What protocol does RIP transmit information and what mechanism is used to calculate the optimal route? RIP updates route information based on UDP port 520 using the BELLMEN-FORD algorithm. The

Uncover the mystery of true speed Users who often use ADSL, do you know the real speed of ADSL? With this question, we will expand the problem step by step. Many users have reported that the download rate of ADSL does not reach the nominal 512 KB.

Among all FTP server software, Serv-U has most of the functions of other similar software, it also supports resumable data transfer, bandwidth restrictions, remote management, remote printing, and virtual hosts. In addition, it provides a sound

As a network person, especially a friend of CISCO, simulators are essential tools. Now the most popular simulator is cisco iou. IOU, as a testing tool within CISCO, has been circulating online since the leak. There are already many new versions.

  From IPV6 details   Ipv6 addresses can be divided into three categories: unicast addresses, wildcard addresses, and multicast addresses (many introductions on the following two types of networks) Unicast addresses can also be divided into global

When transmitting data with a friend over the network, you sometimes need to know the IP address of the Peer computer before establishing an information transmission channel with the peer.How can I find the IP address of the other party? You may

In the HUB-AND-SPOKE environment of mpls vpn, for the sake of security AND cost, the branches are not interconnected, AND the access between the branches must go through the firewall of the headquarters, both the security effect and the cost are

As we all know, OSPF is the most widely used IGP on the Internet, while NSSA is a new attribute generated during the development of this Protocol, her full name is "not-so-stubby" area, a humorous name. To understand the characteristics of this

The basic Border Gateway Protocol (BGP) routing selection protocol is divided into two types: l Internal Gateway Protocol (IGP) l external Gateway Protocol (EGP) BGP is an Inter-Domain Routing Protocol, also known as EGP autonomous system, the same

How to determine whether two IP addresses are in the same CIDR Block? To determine whether two IP addresses are in the same CIDR Block, perform and calculate the IP addresses and subnet masks respectively. The result 1 is displayed, if the network

DNS Literacy Series 7: paying attention to domain name security and network security should not only be verbally concerned. It turns out that network security risks are everywhere on the Internet. Recently, Twitter and Baidu have the same problems.

Terms and abbreviations: OpenStack is an IaaS (Infrastructure as a service) component. It is a cloud platform management project and is not a software, this project is composed of several major components to complete some specific work. IP-based SAN