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High intelligence, high availability, and high reliability are the characteristics of multi-layer intelligent optical fiber switch. Although its technology is not very mature yet, it has been recognized by people. Cisco Systems recently announced that it will launch the CiscoMDS9100 series of multi-
, routers can master the topology of the whole network. Link state broadcast is another kind of information passed between routers, it can send the information to the sender of the link state and notify the other routers. 3. Three-layer switching technology A third-tier switching device is a second
Example: 3026 2012 5012. The value of 2nd bits is 0 ~ 4 indicates that it is a layer-2 switch. 3550. The fifth digit is 5 ~ 9 indicates that it is a layer-
downstream interfaceLimit rate speed, calculated as follows:assuming that 2960 is the port, so the simple set speed limit is*15=720 Note: IP DHCP snooping limit rate needs to be set only if the DHCP snooping converged switch or core is enabled. If there is a large number
1,Layer-3 forwardingYesRoute information is requiredThe route selection in the forwarding process determines the final egress of the message,L3 SwitchJust put thisRoute functions are integrated into the switch ChipGo. 2,Route SelectionExistExact matchAndLongest matchTwo methods. 2.1,Exact matchThat
First, network description The PC1 is connected to the Cisco3550 F0/1 and the rate is 100M; CISCO3550 's G0/1 for export. Second, the detailed configuration process Note: This configuration: Improve the reprint of some of the incorrect configuration. Each interface supports only one policy in each direction, and one policy can be used for multiple interfaces. Therefore, the download rate limit for all
, R-rip, M-mobile, B-BGPD-EIGRP, Ex-eigrp External, O-OSPF, IA-OSPF Inter areaN1-OSPF NSSA External Type 1, N2-OSPF NSSA Externaltype 2E1-OSPF external Type 1, E2-OSPF external type 2, E-EGPI-is-is, L1-is-is level-1, L2-is-is leve
The comparison between a layer-3 Switch and a router is in a large LAN. This function is perfect and helpful for understanding the layer-3 Switch
; (enable) Set MLS include Rp_ip_address tells the switch which IP address is correct6500> (enable) Show MLS include displays a list of IP addresses for the external routing processor6500> (enable) Set MLS flow [Destination|destination-source|full] tells the MLS switch what information to cache the candidate packets6500> (enable) Show MLS entry show third-tier ca
Layer-3 switches of Cisco devices practice communication between different VLANs. Layer-3 switches of Cisco devices practice communication between different VLANs. Cisco device
This article briefly introduces the composition of a layer-3 Switching Network and the responsibilities of each layer. Cisco layer-3 switch is
know that in order to cope with the increasing data traffic, shared media networks have been replaced by switching networks. This change has a direct impact on the traditional routers used for network segmentation. In view of the large traffic that spans the IP address or IPX subnet, the router has actually become the bottleneck of network transmission. The reason is that traditional routers focus more on multiple media types and transmission speeds.
of using Server Load balancer to improve the scalability, availability, and manageability of Server clusters. This chapter mainly discusses the deployment of Server Load balancer and several solutions for deploying Server Load balancer in the existing network. We will also discuss how to design highly available solutions to implement fault tolerance for different network components throughout the network, including Load balancer. Before discussing the network structure, we need to understa
when he cannot find the address, and the hub is only responsible for forwarding the email regardless of the Bounce Message. Vro A Router operates at the network layer, the third layer in the OSI Layer-7 network model. It works by removing the information of the second layer
, as the core of the network, there is no substantial breakthrough in the router technology that acts as the interconnection between networks. Therefore, a new routing technology came into being-layer-3 switching technology, which is a routing technology because it works on the lay
of G.703-ETH bridge converter for access, the price is equivalent to G/V converter, therefore, with the new network access solution, the larger the scale, the more nodes that are connected to the downlink, the more cost savings. When the center end of the uplink uses a layer-3 Switch for access, the downlink branch no
Performance Tests on layer-2 and layer-3 vswitches with 24 ports and all-gigabit vswitches have encountered many problems recently. Experts have said that QoS ensures port congestion, high-priority data is processed first. It makes sense to improve the utilization of 24 fully-gigabit switches with insufficient bandwidt
1. What is a three-tier architecture?Layer-3 development divides the entire business application of the system into the presentation layer-business logic layer-data access layer, which is
/100 Mpbs adaptive ports and 1 Gigabit expansion slot. You can purchase different types of Gigabit modules provided by youkang to achieve the function of connecting to a gigabit network. The UGS-7324RS has 15 Gbps non-blocking back-board bandwidth, in the layer-2 switch, the packet forwarding rate reaches the line speed value of Fast Ethernet; As a layer-
There are many things worth learning about security switches. Here we mainly introduce the meanings and new functions of the layer-3 security switch. Security Switch-the new darling of the network industry, the gatekeeper of the network entry, is aiming to raise a large knif
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