How Does Traceroute Work and Example’s of using traceroute command

Posted on Leave a commentPosted in Network Technology, Packet Capture

Network administrators and system administrators use this tool most commonly in their day to day activities. Its basically a network diagnostic tool that is very handy. There are three main primary objectives of traceroute tool. These objectives fulfilled by tracroute gives an insight to your network problem. The entire path that a packet travels through […]

BGP

Posted on Leave a commentPosted in BGP

Configuring Basic BGP  Comparison with Other Scalable Routing Protocols Protocol Interior or Exterior Type Hierarchy Required? Metric OSPF Interior Link-state Yes Cost IS-IS Interior Link-state Yes Metric EIGRP Interior Advanced distance-vector No Composite BGP Exterior Path-Vector No Path-vector(attributes) When to Use BGP BGP use in an AS is most appropriate when the effects of BGP […]

EIGRP

Posted on Leave a commentPosted in EIGRP

EIGRP (Enhanced Interior Gateway Protocol) Hybrid Protocol / Classless / Hello Packet Updates / AD of 90 Benefits Rapid Convergence – Uses Diffusing Update Algorithm (DUAL) to achieve rapid convergence.  If no appropriate backup route exists in the local routing table, EIGRP queries its neighbors to discover an alternative route Reduced bandwidth usage – EIGRP […]

OSPF

Posted on Leave a commentPosted in OSPF, Protocols

OSPF (Open Shortest Path First) Link-State Protocol / Classless / Triggered Updates/ AD of 110 Characteristics Link-State Protocol Characteristics Responds quickly to network changes Send triggered updates when a network change occurs Send periodic updates, known as link-state refresh, at long time intervals, such as every 30 minutes. Uses a 2 layer are hierarchy Transit […]

RFC’s

Posted on Leave a commentPosted in Network Technology, RFC

RFC’s The URL you want to visit is HERE Ethernet RFC 826 – Ethernet ARP RFC 903 – Reverse ARP RFC 894 – Standard for the Transmission of IP Datagrams over      Ethernet Networks RFC 2516 – A Method for Transmitting PPP Over Ethernet (PPPoE) Frame Relay RFC 1586 – Guidelines for Running OSPF Over […]