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Complete guide for CCNA & CCNP student to understand technical knowledge with routing protocols (EIGRP, OSPF, BGP, IPv4, IPv6, NAT,PAT,ACL) & switching (VLAN,Trunking protocol,various flavors of STP, HSRP, VRRP GLBP, switchport port-security).

Difference between standard access list and extended access list

Difference between standard access list and extended access list

Difference between standard access list and extended access list :-  Standard ACL Extended ACL Allow filtering based on source address. Allow filtering based on source and destination addresses,...

Access List Troubleshoot

Access List Troubleshoot :-  Lets creates one scenario here. Suppose you forgot to write, permit statement after deny statement. The traffic which is unclassified will automatically deny. Lets...
Access Control List Rules

Access Control List Rules

  Access Control List: -  ACL is a set of rules that is usually used to filter the network traffic. Access Control List Rules: - Write deny statement...
BGP Aggregation | Summarization

BGP Aggregation | Summarization

BGP Aggregation | Summarization :- It reduces the size of routing table. It minimizes the number of routing updates. To summarize network at least...

BGP next hop behavior

BGP next hop behavior: - BGP is an AS by AS routing protocol. By default, BGP only change the next hop behavior, when it changes...

How to add host in GNS3

Adding host in GNS3. Router Method:- The following is step by step configuration required to implement. Step 1- Go to the router and follow the below steps. •Router(config)#...

Difference between HSRP, VRRP and GLBP Protocols

Difference between HSRP, VRRP and GLBP Protocols. All these technologies provide first hop redundancy for the hosts. Below table for HSRP, VRRP and GLBP Comparison. Redundancy Protocol HSRP VRRP GLBP Stands for Hot Standby Router...

Switchport Port-Security Configuration & Troubleshooting

This tutorial explain Switchport Port-Security Configuration, Verification's & troubleshooting, port security violation mode, static & sticky mac address configuration etc... Switch port port-security:- Port security is used to block input to an...