How to create and apply Cisco Extended Access List

November 16th, 2017 by

Access list a rule that filters a traffic going through a router interface. Unlike Standard Access List, Extended Access List permits or denies traffic based on source, destination, port, or service. You would normally apply Extended Access List on the router interface closest to the source device. Extended Access List uses numbers from 100 to…

How to create and applies Cisco Standard Access List (ACL)

November 15th, 2017 by

Access List (ACL) is rule that filters a network traffic incoming to router interface or outgoing from a router interface. Each ACL’s rules tell the router which packets to discard, and which to permit. Standard Access list filters the traffic based on the source IP address or network and is normally applied close to the…

How to configure static route on Cisco router

October 14th, 2017 by

Static route is form of routing protocol used to route or link up different networks on a router. It’s a manual entry on the router configuration that sends traffic to specific network to a known route. All static routes must be be manually configured on all routers and it not account for link failure. To…

Interior Gateway Protocol (IGP)

October 14th, 2017 by

IGP – Interior Gateway Protocol is used to exchange routing information between multiple routers in Autonomous System (single organization network). It consists group of other routing protocols such as Open Shortest Path (OSPF), Routing Information Protocol (RIP), Intermediate System to Intermediate System (IS-IS), and Enhanced Interior Gateway Protocol (EIGRP). Type or class of routing protocols:…

Extend Trace Route (Tracert)

October 13th, 2017 by

Trace Route is command based tool that is widely used to trace the data path to the destination device. For example, to check the path from my router to spidertip.com. I would type trace rout spidertip.com and that would show me all the provider IP addresses from my router to the Spidertip.com host server. The…

How Extended Ping works

October 13th, 2017 by

The ping (Packet InterNet Groper) command is a handy tool that is widely used to troubleshoot connectivity between two networked devices. It uses ICMP (Internet Control Message Protocol) to send query to remote device and generate echo replies. The regular ping checks connectivity if the remote device is present and connected. Extended Ping, you can…

7 Persuasive Tips From Semalt On How To Avoid Catching Malware

October 6th, 2017 by

img src=’http://spidertip.com/wp-content/uploads/2017/10/Internet.jpg’ It would not be wrong to say that the internet has made our lives easy. It is one of the best creations and connects us with our friends and family members across the globe. Accessing information and communicating with the clients is very easy for a businessman. At the same time, the internet…

Stacking Cisco Switches – Useful commands

October 6th, 2017 by

Switch stacking is process of combining two or more switches into single switch by using special cable called Stacking-cable and connecting them through their StackWise ports. Stacked switches become single unit switch. TO build a stcking, the OIS must be same for all the member switches. Help Commands use with stacking Use #show version to…

How to enable VTP Prunning on Cisco Switch

October 5th, 2017 by

VTP Prunning is way to reduce broadcast traffic going to unnecessary switches on your LAN especially when VTP is enabled. To enable VTP Prunning on your Cisco switch, use the commands below: SW03#conf t Enter configuration commands, one per line. End with CNTL/Z. SW03(config)#vtp pruning Pruning switched ON SW03(config)# TO disable VTP Prunning, use this…

How to Configure VTP (VLAN Trunking Port Protocol)?

October 5th, 2017 by

VTP or VLAN Trunking Protocol is a protocol to automatically propagates VLAN configurations across the switches on your LAN. The main benefit of using VTP is to distribute VLAN database on all switches. Ideally the only manual thing you would do is plug the switch and set the trunk ports. You must configure same VTP…