Friday, April 4, 2014

Basic Networking

Tagged VS Untagged


Cisco Trunk Port = Tagged (IEEE 802.1q tagging vlans and sending inside the trunk)
Cisco Access Port = Untagged

Tagged VLAN means frame can be tagged which vlan that frame belongs to, that can be happen in trunk port of switch. Types of Trunk Tagging protocol 802.1Q and ISL and DTP.

Untagged VLAN. Frame cant be tagged while travelling from one switch to another switch. Eg: VLAN1 Native Vlan or Management VLAN. Frame cant mention which vlan the frame belongs.


Optimization of fortigate IPS

IPS signature need select according to infrastructure environment  Eg:-  if  we are not have Linux servers this ips signature can disable (d...