ccna rack

Clock Configuration 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/0454301F6-0.png "title =" 1.png"/> 1. Configure vroa A (assuming vroa A is the DCE end of the serial line) Router> en Router # conf t Router (config) #

Dynamic Route RIP RIP broadcasts UDP packets to exchange route information and sends route information updates every 30 seconds. The maximum number of hops supported by RIP is 15. The experiment has been verified, but the topology is

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Do not describe the basic commands of Cisco IOS too much. Focus on learning Common Cisco IOS skills to improve the efficiency of subsequent experiments. [Experiment topology] Lab procedure] 1.

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Exercise configuring vswitch remote telnet Management [Experiment topology] Lab procedure] 1. Connect the device by topology. The router only configures the interface IP address, without

[Lab environment] GNS3 (Because Packet Tracer does not support DHCP-related commands, the GNS3 Simulator Based on the cisco ios image file can also be used on a real machine) [PURPOSE] Exercise configuring the DHCP service on a Cisco router to

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] I will not describe the basic commands of Cisco IOS too much. I will focus on some common Cisco IOS skills to improve the efficiency of subsequent experiments. [Experiment topology] Lab

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Exercise the use of the ip default-network command to declare the default route in the network routing protocol. [Experiment topology] [Lab description] Vrogw GW and ISP refer to the default

1, backup configuration to TFTP2, from TFTP COPY to run3. Back up iOS4. Upgrade iOS5, if the upgrade fails the workaroundOne, backup restore configuration1, to ensure that the router and computer (TFTP server) network IP (direct connection, same

First, the function1.MAC Address Learning2. Confirm the forwarding and filtering of frames3. Prevent loopsSecond, the way of frame exchange1. Passthrough forwarding: The switch detects the destination address immediately after forwardingFast forward

In a strange environment, if you want to reach a certain location, there are three methods: the first method is to ask a wizard, as long as you want to clearly describe the destination, you don't have to worry about it along the way. The Wizard will

Above we have realized that RIP (routing Information Protocol) &EIGRP (Enhanced Gateway Routing protocol), we come to know the following routing protocol OSPF (Open Shortest Path precedence protocol) also called it as an interface-sensitive routing

Which layer in the OSI Reference Model was responsible for determining the availability of the receiving program and Checki Ng to see if enough resources exist for that communication?A. TransportB. NetworkC. PresentationD. SessionE. ApplicationTest

of the Switch MAC Address learning Situation:1. Receive the data frame from an interface, look up the MAC Address table of the switch according to the original MAC address of the data frame, if not found, will add the original MAC address of the

1. RIP (Route Information protocol) routing Information selection protocol RIP is a distance vector routing protocol, which has two versions: V1 and V2. It belongs to the characteristics of RIP1. use the number of hops as the metric value. The

(I) install gns3If the installation process prompts that winpacp has been installed, select "cancel" (Ii) Configure basic gns3 Parameters Select Step 1 General:Configure two locations① Path for storing the Topology② Store temporary

Configuration file BackupMake the changed configuration a new startup configurationCopy running-config Startup-config Save the configuration to the startup profile and change it immediately.Restore the device to its original configurationIn

· Dynamic Routing : a route that can be self-adjusted based on network structure or traffic changes· category :1. Distance vector Routing Protocol (DV): RIP, IGRP Send routing entry via routing protocol2, Link State routing Protocol (LS): OSPF,

Auto is passive, desireable is activeAcive is active, passive is passive, different manufacturers recommend configuring onSW1 (config) #int range f0/1-2SW1 (config-if-range) #channel-group? Channel Group numberSW1 (Config-if-range) #channel-group 1%

First, the OSPF characteristics: 1.IETF Standard: Open room agreement, supported by different manufacturer's equipment 2. No loop by protocol: the implementation of SPF algorithm, will not produce loops 3. No class routing protocol: Support for

(1) interconnection between the VLAN: single-arm routing (2) Each PC can automatically obtain IP address: DHCP (3) Two switches require VLAN2 to go above, VLAN3 go below: STP load Balancing (4) SW2 can learn from SW1 VLAN related information: