IP's are used to communicate only across 2 LAN's, when communicating inside a LAN only MAC Addresses are used which are on the datalink layer.The last lookup would always be for a MAC Address - never for a IP. Once it is determined which port that MA...
Please provide the following information:1) Which vlan is the user you want to block.2) What subnets do you want to block for that user3) Post the MAC based ACL that you created.4) Post the output of 'show vlan filter'
spanning-tree portfast should be enabled only on access-ports that connect to workstations because enabling them on trunk ports could cause accidental STP loops. That being said there are situation in which you connect to end servers with a trunk por...
It looks that you have some configuration on the router which is causing the router to lock as soon as it loads the configuration.The best you can do is to boot the router so that it ignores the configuration. To do that press 'Ctrl+Break' while the ...
GBIC - Datasheet definition:The industry-standard Cisco Gigabit Interface Converter (GBIC) is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network. Cisco GBICs can be interchanged on a...