The following list describes the five different types of OSPF link-state packets (LSP). Each packetserves a specific purpose in the OSPF routing process. 1. Hello: Used to establish and maintain adjacency with other OSPF routers 2. Database description (DBD): Contains an abbreviated list of the sending router’s link-statedatabase and is used by receiving routers to … Read more
CCNA Certification Training and Exam cost in the USA? CCNA Cisco Certified Network Associate is the top class network certification offered by Cisco Inc. We CCNAguru focus to provide the training globe the world. Regarding CCNA Training cost in the USA, varies from institute to institute that always depends upon the location , area and … Read more
VLAN Trunks Briefly define a VLAN trunk:A VLAN trunk is an Ethernet point-to-point link between an Ethernet switch interface and an Ethernetinterface on another networking device, such as a router or a switch, carrying the traffic of multipleVLANs over the singular link. A VLAN trunk allows you to extend the VLANs across an entire network. … Read more
Explore the options for setting port security on interface Fast Ethernet 0/1:S1#configure terminalS1(config)#interface fastethernet 0/1S1(config-if)#switchport port-security ? aging Port-security aging commands mac-address Secure mac address maximum Max secure addresses violation Security violation mode <cr> Notice the last option is a carriage return, <cr>, which means the command switchportport-security can be entered without specifying any additional … Read more
Feature Dynamic Routing Static Routing Configuration complexity Generally independent of thenetwork size Increases with network size Requires administrator knowledge Advanced knowledge required No extra knowledge required Topology changes Automatically adapts totopology changes Administrator interventionrequired Scaling Suitable for simple andcomplex topologies Suitable for simpletopologies Security Less secure More secure Resource usage Uses CPU, memorylink bandwidth No … Read more
Cisco CCNA Online Training and Certification in USA. Switch#copy source destinationSwitch#erase nvramorSwitch#erase startup-configSwitch#delete flash:config.bak1Switch(config)# Enables service password-encryptionSwitch(config-line)#transport input sshSwitch(config-line)#transport input telnetSwitch(config-line)#transport input all Switch(config)# ip domain-name ccnaguru.comSwitch(config)#ip ssh version 2Switch(config)# crypto key generate rsaSwitch(config)#ip ssh timeout 60Switch(config)# ip ssh authentication-retries 5
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@network_trainer#switch#ccna#hacking#networking#ccnp#commands#ccnaguru#ccnatutor#ccnatutorial#ccnaneame♬ original sound – CCNA Guru Switch# show historySwitch> terminal historySwitch> terminal history size 50Switch# terminal history size 50Switch# terminal history size 50Switch> terminal no history sizeSwitch# terminal no history sizeSwitch> terminal no historySwitch# show vlanSwitch# delete flash:vlan.datSwitch(config)# interface vlan99Switch(config-if)# ip address 192.168.1.11 255.255.255.0Switch(config-if)# no shutdown
Inter-VLAN routing on Layer 3 devices. Concept of Inter-VLAN Routing? / Define inter-VLAN routing? Inter-VLAN routing is a process of forwarding network traffic from one VLAN to another VLAN using a router. VLANs are used to segment switched Layer 2 networks for a variety of reasons. Regardless of the reason, hosts in one VLAN cannot … Read more
One sentence answer, Study of Cisco Network Devices at Associate Level.