CSR1000v on GNS3

It has been quite some time since the Cisco’s Cloud Services Router CSR1000v was publicly released. CSR1000v is a virtual router or in other words it run’s the IOS software inside a Virtual Environment (in a Virtual Machine), and that’s… Read More ›

Internal VLANs

All of us or most of us are aware of the famous VLAN types, the Standard and Extended VLAN’s, which to some extent makes sense. The Standard VLAN’s have a range starting from 1 up to 1005 including the last… Read More ›

QoS Notes

Some personal notes about my on-going QoS studies, as already explained on earlier posts this notes will be updated all the time as I study deeper on the subject. QoS Models: 1) Integrated Services (IntServ) 2) Differentiated Services (DiffServ) IntServ… Read More ›

IPv6 notes

This topic will be updated with additional notes all the time.. – 128 bit hexadecimal address format. – 16bit every field. – 8 fields totally. – Global Unicast addresses (similar to ipv4 public addresses) – Link Local addresses (are used… Read More ›