Archive for the tag 'Switch'

 

 

May 06 2015

How to Deny / Force VLAN Access to a Mac Address on Cisco

Published by under Cisco,Security

Different methods exists to filter out mac addresses on a switch such as:– port security,– mac access lists or even– 802.1x port-based authentication with Radius. Mac access ACL require a higher end switch while 802.1x authentication is a pretty heavy setup and needs to manage a mac address database on a Radius server.Port security allows […]

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Oct 24 2013

Run a DHCP Relay on a Cisco Catalyst 2960 Switch

Published by under Cisco

Having a DHCP relay on a layer 2 switch is usually a nonsense. A DHCP server happened to crash and I had no access to configure a new DHCP service on the ISP router at a remote site.My only option was to set a DHCP relay on the switch that will forward requests to another […]

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