Abstract:The current development of the internet network in the digital era has progressed very rapidly and has become a major need that cannot be abandoned, especially for the Bringin District Government Service which does not yet have a good network, so the exchange of information is less effective. Therefore, it is necessary to design a network with VLAN configuration on IS-IS routing, and carry out network simulation using GNS3. QoS testing is carried out by sending data packets using the ICMP protocol and counting… Show more