HomeISISISIS Overload Bit Understanding the general technical meaning of word “Overload” tells shortage of resources (Memory/CPU etc), getting overloaded with currently handled processes. From here comes meaning of the ISIS Overload bit in the ISIS protocol. When overload-bit is set on a particular router, it signals other routers in the network topology not to […]
You might have missed or ignored noticing OSPF Forward Address in OSPF command outputs. Forward address is a IP field seen in LSA 5 and LSA7. It is the IP address to which the traffic should be forwarded for an advertised external prefix (LSA5). The output is shown below. R1#show ip ospf database external 9.9.0.4 […]
QoS QoS INTERVIEW QUESTIONS What is difference b/w Layer2 and Layer3 QoS? What is the basic difference b/w TCP and UPD traffic? Define J… READ MORE » RIP RIP INTERVIEW QUESTIONS Explain Split Horizon and Route Poisoning in RIP. Can we use RIP in the topology having more than […]
VNF What is SD-WAN? How it works? To understand the concept of What is SD-WAN and How it works?, Let us create a base first with an example. AIM … READ MORE » uCPE What is uCPE? uCPE (Universal Customer Premise Equipment) is one single device capable of handling multiple network functions. For example, Routing… […]
Showing posts with the label Source TreeShow All Source Tree Multicast Distribution Trees While the multicast traffic is sent, a connectivity or a path is formed between a receiver and the multicast source wh… READ MORE »
Showing posts with the label Process SwitchingShow All Process Switching Process Switching Vs Fast Switching Vs CEF In this article, we will discuss evolving packet-switching methods for example Process Switching, Fast Swi… READ MORE »
Basic Route Selection Criteria Administrative Distance JunOS The routing process in JunOS assigns an administrative distance (or default preference) to each route that the routing … READ MORE » Basic Route Selection Criteria Administrative Distance of IP Routing Protocols – Cisco Administrative Distance (AD) is an 8 bit value/number (Cisco) that defines trustworthiness of… READ […]
VNF What is SD-WAN? How it works? To understand the concept of What is SD-WAN and How it works?, Let us create a base first with an example. AIM … READ MORE » uCPE What is uCPE? uCPE (Universal Customer Premise Equipment) is one single device capable of handling multiple network functions. For example, Routing… […]
Route Redistribution BGP Redistribute Internal BGP Redistribute Internal: There is a slight difference in Route Redistribution from BGP to an IGP compared to route re… READ MORE » Route Redistribution Route Redistribution in OSPF Route Redistribution in OSPF: Redistribution is a technique using which the boundary routers connecting different rou… READ MORE » Segment Routing […]
Process Switching Process Switching Vs Fast Switching Vs CEF In this article, we will discuss evolving packet-switching methods for example Process Switching, Fast Swi… READ MORE » Load-Balancing How Load Balancing Works? What will we learn in this article? How Load Balancing Works on a Cisco router when CEF is disabled. How Load Balancing Wor… […]
EIGRP EIGRP Tables Three EIGRP Tables are maintained by EIGRP to execute its operation i.e. Neighbor Table , Topology Table , and IP Routing table for i… READ MORE » EIGRP EIGRP Packet Format In this article we are going to discuss EIGRP Packet Format in detail. Enhanced Interior Gateway Routing Protocol ( EIGRP ) […]
VNF What is SD-WAN? How it works? To understand the concept of What is SD-WAN and How it works?, Let us create a base first with an example. AIM … READ MORE » VNF WHAT IS NFV – Overview Network Function Virtualization (NFV) is the concept of replacing/virtualizing dedicated network appliances — such as router… […]