Tag Archives: router

How to setup access list for a Cisco VLAN

We can use VLAN ACL (also called VLAN map) to provide packet filtering for all types of traffic that are bridged within a VLAN or routed into or out of the VLAN. Unlike Router ACL, VACL is not defined by … Continue reading

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Default VLAN

The default VLAN on all switches is VLAN 1. By default, all ports in a Cisco switch belong to VLAN 1. With all ports in the same VLAN (in this case VLAN 1), all ports can communicate with each other … Continue reading

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How to limit access from network host to a Cisco device

Sometime you may like to limit only certain IP address to access your Cisco router / switch by using telnet. You may implement it by configuring the access list and apply it to the line vty 0 4 line.

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How to encrypt Cisco Password

One of the way to secure a Cisco router / switch is to encrypt password in it. In order to encrypt passwords that are saved in the Cisco devices configuration file, you may use the “service password-encryption” global configuration command. … Continue reading

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Cisco Static Route

In my previous post on Static route configuration, I have touched on some basic of static route configuration. In this post, I will show you more details on how to configure static routing in Cisco devices. IP routing is enabled … Continue reading

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Static route configuration

It is important to understand the process of routing if you are interested in learning networking. One of the fundamental of this study is static routing. Static routing is not complicated, but it is the basic. We need to understand … Continue reading

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Cisco Networking Basics

Private Addressing 10.0.0.0 – 10.255.255.255 172.16.0.0 – 172.31.255.255 192.168.0.0 – 192.168.255.255

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