Tags: cal enhancement packet share image share access Cisco virtual SRCVLAN, the virtual LAN (Virtul local area network), the VLAN divides the physical connected LAN logic into different virtual networks, its existence can reduce the broadcast domain, enhance the network security and convenient and flexible networking, adding PCs and switchesBy configuring VLANs,
Tags: size src zone sha port text topology Cisc-oTwo networks in different regions if you want to communicate, you need to configure routing on the router to implement the packets across the networkRouters can connect to multiple networks, but the router itself does not know about other networks, and we need to manually configure static routes to let routers know about other network information or to configure dynamic routing to let routers learn abou
, adding switches and end devices1, double-click switch into switch command line (CLI) mode, switch configuration mode by command2 in most cases for security reasons, you need to configure the switch privileged mode passwordValidation test3 Configuring the telnet login switchTo achieve remote login, first need to configure the login user and device management addressVerify the configuration by matching the IP address of the PC with the switch management address into the same
Tags: process proc ima RAC Technology share static term ADOBy configuring static routes, you can achieve an increase in routing entries for routers in a relatively simple network.However, if there are more than 20 routers in a network, it is difficult to configure static routes to accommodate the complexity of routing entries and changes in the network. At this point we can use the RIP protocol to configure
port to enable ACL policyNetwork topology1, configure Router 1, turn on the single-arm routing configuration subinterface address and connect the physical interface address of another route and open the port2 Configuring the VLAN of the switch, configuring the port type3 Configuring the IP address of the PC, specifying the gateway4 Configuring router static routing to enable network interoperability5 Create a new ACL policy on the destination router6
ObjectiveLearning Network knowledge of the students have heard or used the network device Simulator, network equipment simulator known to have Huawei's ENSP, Third HCl and Cisco PACKET TRACER, Cisco's simulator with a simple operation interface, Easy to install and use and a variety of easy to work can win a lot of
Nat[network address translation] In the absence of IP address in the case of a great use, it can not be normal Sisu network of the intranet address into a legitimate external network address on the public network to send and receive data. At the same time address translation function can also be very good to hide and p
Network address port Conversion NAPT is a very familiar way of transformation. NAPT is commonly used in access devices, which can hide small and medium-sized networks behind a legitimate IP address.Unlike dynamic address NAT, NAPT maps An internal connection to a separate IP address in the external network, adding a TCP port number selected by the NAT device to the address.This time, let's get to know napt.
Through the previous experiment we learned that by configuring VLANs, the terminals under different VLANs could not communicate with each other, but if you wanted to communicate between different VLANs, you would need to configure inter-VLAN routingLayer three switches have the capability of the network layer and can be forwarded via the routing functionNetwork environment1 set the IP address and gateway of the terminal (192.168.1.1 and 192.168.2.1, r
Tags: color-o switch test one-arm routing access via interface implementation representationTo achieve inter-VLAN communication, in addition to configuring the SVI interface on the switch, you can also implement VLAN data forwarding by configuring sub-interfaces under the physical interface of the router.Configuration ideas:1 The access switch configures the corresponding VLAN and sets the access PC port to access mode2 Setting the physical interface of the router to which the switch is connecte
Tags: tle simulates a trunk mode ace 51cto fast spanning tree quick typeLoops are present in the network, and all loops are formed due to confusion caused by ambiguous destination paths. The loop has a great impact on the network. Spanning Tree protocol is a good solution to this problem.The idea of spanning a tree protocol topology is that, regardless of the physical connection between switches, the switch
display the configuration saved in NVRAM.Show running-config-is used to display the contents of the current run configuration file, the configuration of a specific interface, or the mapping category information.The show IP interfaces-is used to display IPV4 statistics for all interfaces on the router. To view statistics for a specific interface, enter the show IP Interfaces command followed by the specific interface slot number/port number. Another important format for this command is show IP i
the replication scheme. Replication schemes May is created that does not include the current host.
If the host has multiple network interfaces, the route can be used to specify the interface for replication. Specify by IP addressSet up different network ports, one for load balancing, and two for error switching.The following is an example of error switching, which can be used as the priority 2 interfa
Re-imagine the Windows 8 Store Apps Communication
Get Network Information
1, demonstrate how to obtain information about the network
* * Demonstrates how to obtain information about the network * *
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