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CISCO PT Simulation Experiment (9) Inter-VLAN routing for layer three switchesExperimental Purpose : Mastering the configuration of the switch Tag VLANMastering the configuration method of three-layer switch VLAN routingInter-VLAN communication via three-layer switchExperimental Background :The Company's finance depart
Layer-3 Switch for Cisco switches Although single-arm routing solves the communication problem between different VLANs, it also has its fatal defects: -The single arm itself is the Backbone link of the network, which is easy to form a network bottleneck. -The sub-interface relies on physical interfaces, and the application is not flexible -You need to view the r
the above technologies on CISCO switches to address typical Layer 2 attacks and spoofing, to prevent man-in-the-middle attacks, MAC/CAM attacks, DHCP attacks, and address spoofing in the exchange environment, more importantly, address management can be simplified through the deployment of the above technologies, track user IP addresses and corresponding switch p
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. However, some manufacturers' switches can also directly connect to the Internet to provide the router function. Comparison Between Layer-3 vswitches and vrouters In order to
describe how to combine and deploy the above technologies on CISCO switches for typical Layer 2 attacks and spoofing, to prevent man-in-the-middle attacks, MAC/CAM attacks, DHCP attacks, and address spoofing in the exchange environment, more importantly, address management can be simplified through the deployment of the above technologies, track user IP addresse
Layer-3 switches of Cisco devices practice communication between different VLANs. Layer-3 switches of Cisco devices practice communication between different VLANs. Cisco device
With the development of China's exchange industry, it also promotes the upgrade and improvement of the core layer switch technology. Here we mainly analyze some fault analysis and troubleshooting of the core layer switch. The LAN of multiple branches directly accesses the local headquarters enterprise network through 1
There are still prospects for the security deployment and upgrade of cisco switches. There may be no specific cisco switch security mode for the cisco switch Security description, so it may not help you, cisco switch security has become a new highlight in the switch market.
Follow the performance competitions of several Cisco smart switches. Many companies now have their own switches to learn about the performance of Cisco smart switches and provide objective references for your selection, select a Cisco
Precautions and categories for purchasing cisco Gigabit Switches. We will introduce the precautions for cisco Gigabit Switches. Many people may not know how to classify cisco Gigabit Switches, after reading this article, you must
. The Gigabit Ethernet speed is equal to the maximum speed of 488000 packets per second (assuming the worst case, that is, all packets are the minimum size defined by the network and are 64 bytes long ). B. The server capacity balancing algorithm is based on the desired capacity balancing interval. There are many algorithms for layer-4 switches to allocate applications to servers, there are simple detection
; (CatOS) display VTP domain and VTP Mode Show vtp status; (IOS) Show interface; (CatOS) display Management interface Information Show port; (CatOS) displays brief information about each port (number, VLAN, duplex ,...) Show interface; (IOS) Show trunk; (CatOS) displays the relay information (mode, encapsulation, allowed port, cropping ,...) Show interface trunk; (IOS) Show spantree 45; (CatOS) shows the STP mode, type, status, speed port,...) of the port ,...) Show spanning-tree 45; (IOS) 3. In
introduce each of them.Cisco 4500 series switches, on Cisco's product line, are actually named Cisco Catalyst 45XX. The following XX represents the number of module slots in the Cisco 45 series. For example, the Cisco Catalyst 4503 Switch, which represents the Cisco 45 seri
, all packets are the minimum size defined by the network and are 64 bytes long ). B. server capacity balancing algorithm Based on the desired capacity balancing interval, there are many algorithms for layer-4 switches to allocate applications to servers, there are simple detection loop recent connections, detection loop latency, or detection server closed loop feedback. Among all predictions, closed-loop f
Many SME internal network structures are simple, with only one switch connecting all employees and servers together and then accessing the Internet through fiber optics. Of course, in order to ensure the security of some hosts and split the internal broadcast packet to improve the network transmission speed, take such as partition VLAN, the allocation of different subnets to achieve. By partitioning VLANs, clients on different ports on the same switch cannot access each other, effectively isolat
the entire system. Cisco Security service module designed for Catalyst 6500 The Cisco IPSec VPN service module is a high-speed module designed for Cisco Catalyst 6500 switches and Cisco 7600 Internet Routers. It can provide infrastructure-integrated IPSec VPN services and
Gigabit Ethernet connections. The Gigabit Ethernet speed is equal to the maximum speed of 488000 packets per second (assuming the worst case, that is, all packets are the minimum size defined by the network and are 64 bytes long ). B. The server capacity balancing algorithm is based on the desired capacity balancing interval. There are many algorithms for layer-4 switches to allocate applications to server
Overview Fixed-installation line-rate fast Ethernet desktop switch Cisco Catalyst 2950 series for LAN) provides excellent performance and functionality. These independent, 10/100 adaptive switches provide enhanced service quality QoS) and multicast management features, all of which are provided by the easy-to-use, Web-based Cisco Cluster Management Suite CMS) and
especially true for vswitches at the core of a CEN instance. The size of many second/third-layer switches tends to be proportional to the number of network devices. For a layer-4 switch, this quantity must be multiplied by the number of different application protocols and Sessions used in the network. Therefore, the s
algorithm Based on the desired capacity balancing interval, there are many algorithms for layer-4 switches to allocate applications to servers, there are simple detection loop recent connections, detection loop latency, or detection server closed loop feedback. Among all predictions, closed-loop feedback provides the most accurate detection that reflects the current business volume of the server. C. Table
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