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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
Posted in Networking, Security
Tagged ACL, Cisco, Cisco Access list, packet filtering, router, traffic filtering, VLAN
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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
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.
Posted in Networking, Security
Tagged Cisco, Cisco Access list, IP, IP address, network, router, switch, telnet
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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
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
Posted in Networking
Tagged Cisco, Cisco IOS, ip route, ip routing, network, router, static route, switch
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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
Posted in Uncategorized
Tagged Cisco, Cisco IOS, Cisco router, network, Networking, router, routing, static route
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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