Network broadcast mean? VELAN division switch mean?
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Experts answer: webcast is also called the network broadcast storm. A data frame or packet is transmitted to the local segment (defined by the broadcast domain) on each node is broadcast; the design of the network topology and connectivity problems, or other causes in the subnet broadcast a large number of replication, dissemination of data frames, lead to decreased network performance And even network paralysis. This is the broadcast storm. All in the same network equipment, in the same broadcast domain. In other words, all the broadcast messages will be broadcast to the network every port, even if the switches, bridges can not stop the broadcasting of information. Therefore, there can be only one time in a broadcast message Network transmission. For security network, using NOVELL operating system, all equipment will be regularly broadcast in the network broadcast packets to inform other devices own existence. There are many other features need to use the radio, such as the device is turned on, the message transmission, video broadcasting. When the devices on the network increasingly More time will be occupied by broadcasting more and more and more to a certain extent, the network will be the normal transmission of information on the impact caused by transmission of information ranging from delay, it caused heavy network equipment from the network down open, and even cause the entire network congestion, paralysis, this is the broadcast storm. In fact, more than the broadcast storm Is connected in the hub ring prone LAN connections, routers and switches, if so, the tree connecting routers and switches are designed, can effectively prevent the generation of broadcast storms. But in the backbone, the router's main role is to routing. Backbone routing Device, you must know the path to reach all the underlying network. This need to maintain large routing tables, and the connection to make changes in the status response as quickly as possible. Router failure will lead to serious problems of information transmission. Within the campus network, the router's main role is to separate the subnet. As the network continues to scale Expansion of high-speed backbone LAN evolved into multiple subnets and routers connecting the campus network formed. In which logically independent of each subnet, and router is the only device able to separate them, which is responsible for forwarding packets between subnets and broadcasting isolation, on the border router is responsible for the network connected with the upper Access. Because we should control the network broadcast. Reference: http: ** www.maicode.net * Article * zwjiashe * 200606 * 10096.htmlhttp: ** hi.baidu.com * dlm book * blog * item * 7221c52a92ee0f9b033bf683.htmlhttp: ** bj2d907.gnway.net * club07 * 506270.shtmlVLAN is set to LAN Preparation logically divided into one network segment to realize a virtual working group on emerging data exchange technology. This emerging technology is mainly used in switches and routers, but among the mainstream or in the switch. http: ** www.chinabyte.com * telecom * 216 * 1875216.shtml
Experts answer: webcast is also called the network broadcast storm. A data frame or packet is transmitted to the local segment (defined by the broadcast domain) on each node is broadcast; the design of the network topology and connectivity problems, or other causes in the subnet broadcast a large number of replication, dissemination of data frames, lead to decreased network performance And even network paralysis. This is the broadcast storm. All in the same network equipment, in the same broadcast domain. In other words, all the broadcast messages will be broadcast to the network every port, even if the switches, bridges can not stop the broadcasting of information. Therefore, there can be only one time in a broadcast message Network transmission. For security network, using NOVELL operating system, all equipment will be regularly broadcast in the network broadcast packets to inform other devices own existence. There are many other features need to use the radio, such as the device is turned on, the message transmission, video broadcasting. When the devices on the network increasingly More time will be occupied by broadcasting more and more and more to a certain extent, the network will be the normal transmission of information on the impact caused by transmission of information ranging from delay, it caused heavy network equipment from the network down open, and even cause the entire network congestion, paralysis, this is the broadcast storm. In fact, more than the broadcast storm Is connected in the hub ring prone LAN connections, routers and switches, if so, the tree connecting routers and switches are designed, can effectively prevent the generation of broadcast storms. But in the backbone, the router's main role is to routing. Backbone routing Device, you must know the path to reach all the underlying network. This need to maintain large routing tables, and the connection to make changes in the status response as quickly as possible. Router failure will lead to serious problems of information transmission. Within the campus network, the router's main role is to separate the subnet. As the network continues to scale Expansion of high-speed backbone LAN evolved into multiple subnets and routers connecting the campus network formed. In which logically independent of each subnet, and router is the only device able to separate them, which is responsible for forwarding packets between subnets and broadcasting isolation, on the border router is responsible for the network connected with the upper Access. Because we should control the network broadcast. Reference: http: ** www.maicode.net * Article * zwjiashe * 200606 * 10096.htmlhttp: ** hi.baidu.com * dlm book * blog * item * 7221c52a92ee0f9b033bf683.htmlhttp: ** bj2d907.gnway.net * club07 * 506270.shtmlVLAN is set to LAN Preparation logically divided into one network segment to realize a virtual working group on emerging data exchange technology. This emerging technology is mainly used in switches and routers, but among the mainstream or in the switch. http: ** www.chinabyte.com * telecom * 216 * 1875216.shtml
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