My Netwok Dictionary

With numbered IP access lists to modify a list would have to first delete numbered access list and put it back again with the necessary corrections. In a numbered access list can not delete individual statements.

IP access lists named individual entries can remove a specific list. Deleting individual entries modify access lists without having to remove and reconfigure from scratch. However it is possible to selectively insert items in a list. If you add an item to the list, this is placed at the end of it.

You can not use the same name for multiple access lists. Access lists of different types can not share name. Read the rest of this entry »

In their operations, network control and monitoring systems can use a lot of bandwidth. More controlled devices and is the latest monitoring, but also require much more bandwidth than your system of control than usual traffic on the network.

Configuring a network monitoring tool: basic principles

The tool table is the basic command of a control system network. Usually you type ping host1 to obtain a series of results. But what are the transactions with this command? Read the rest of this entry »

In order for VLANs to communicate between them should be needed the services of a router. To this must be set subinterface FastEthernet, encapsulation and corresponding IP address so that each of these belong to a specific vlan. Read the rest of this entry »

ISDN PRI interface provides leased line T1 or E1. The main tasks of PRI interface settings are:

Use the isdn switch-type command to specify the ISDN switch used by the provider that connects the PRI interface. As with BRI, this command can be entered in global configuration mode or interface configuration.

Router (config) # isdn switch-type primary-Net5

Configuring a T1 or E1 controller is done in four steps: Read the rest of this entry »