Archives: 2009 December

Using Dynamic ARP Inspection in DHCP Environment

December 30th, 2009, Comments Off

This is switch function intended for defense from attack with using ARP protocol. For instance, ARP-spoofing, which allow intercept traffic between hosts, that located in one broadcast domain.
Dynamic ARP Inspection control only ARP packets and can’t directly influence on user’s traffic or other protocols.
For proper work Dynamic ARP Inspection, it is necessary to specify [...]

Some words about Lightweight Access Point Protocol or LWAPP

December 23rd, 2009, Comments Off

LWAPP is the name of a protocol that can control multiple Wi-Fi wireless access points at once. This can reduce the amount of time spent on configuring, monitoring or troubleshooting a large network. The system will also allow network administrators to closely analyze the network.
LWAPP was proposed by Airespace, as a standard protocol to provide [...]

Configure ACS for Dynamic VLAN Assignment

December 22nd, 2009, Comments Off

For VLAN assignment we have to configure two ACS components group (properties of group and group mapping) and authorization.
In the navigation bar, click External User Databases. Then, click Database Group Mappings.

Click the external user database name for which you want to configure a group mapping.
In [...]

Configure ACS for authentication Windows Users

December 22nd, 2009, Comments Off

In the navigation bar, click External User Databases. Then, click Unknown User Policy. 
In order to allow unknown user authentication, enable the Unknown User Policy:    a)  Select the Check the following external user databases option.      b) Select the Windows [...]

Configure ACS for authentication internal Users

December 22nd, 2009, Comments Off

From the ACS GUI, complete these steps:

In the navigation bar, click External User Databases.
On the External User Databases page, click Database Configuration. The ACS displays a list of all possible external user database types.
Click Windows Database.     If no Windows database [...]

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