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Continue reading →: Traffic Engineering in EIGRP using Delay
Here i am going to explain how to change paths using delay in EIGRP, We already know that EIGRP uses Bandwidth and Delay for metric calculation but we cant change bandwidth of links in production network . The path with lesser delay will be the desired path. In the…
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Continue reading →: Update Tuning in RIPv2
In RIPv2 we can tune its updates there are so many ways , Lets see some of them RIPv2 Broadcast updates Normally RIPv2 uses 224.0.0.9 as the multicast address but we can change it to global broadcast address. debug ip rip of R1 is given below *Sep 25 14:38:38.069: RIP:…
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Continue reading →: Rapid Ring Protection Protocol (RRPP) STP alternative from HP Networking
RRPP is a protocol designed for the HP switch as a ring architecture. This article only describes the setting of a single ring. The concept is to set a switch as the main node in the ring architecture, and the rest switches as transmitting nodes. Each switch A primary port…
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Continue reading →: Route Manipulation in RIPv2 using AD Value
In this article i am going to explain how to manipulate route with AD value in RIP. For this i am using the same old topology. 10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks R 10.4.4.0/24 [120/2] via 172.16.23.1, 00:00:19, Serial1/1 …
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Continue reading →: Route manipulation in RIPv2 using Offset-List
In this topology we are using RIPv2 and R2 is getting route information about 10.4.4.0/24 from R3 and R1. But i don’t want to install two routes in the table. I want to use R3 to reach that network for that i am using Offset-List. Lets check the present routing…
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Continue reading →: Why did it choose this path ?
Lets check path selection in routing , Find the longest match:- We want to go to 1.2.3.4 and in the routing table there are three entries like 1.0.0.0/8 is variably subnetted, 3 subnets, 3 masks S 1.0.0.0/8 [1/0] via 172.16.12.1 S 1.2.0.0/16 [1/0] via 172.16.12.2 S 1.2.3.0/24 [1/0] via 172.16.12.3…
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Continue reading →: What is permanent key word in Static Routing ?In the Static routing there is one key word permanent is there, lets check the significance of that. If the exit interface is Down then the route will also removed from the table so in some cases we want to keep the routes in the table even if the exit…
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Continue reading →: Static Routing in Cisco Router
Routing is the process of selecting paths for networks. We can use either Static or Dynamic method for this, in static routing the administrator itself assigning paths for each unknown networks but in the case of dynamic protocols are building paths for those unknown networks. There are some advantages and…
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Continue reading →: Why we need Proxy ARP ? Is there any replacement ?
Proxy ARP is a mechanism which allows two subnets to communicate with each other without configuring Default Gateway. I am going to explain it with a simple topology. Let’s check the configurations hostname R3 ! ! no ip routing ! ! interface Ethernet0/1 ip address 10.10.10.1 255.255.255.0 no…
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Continue reading →: Introduction to OSPFThe Open Shortest Path First (OSPF) is an Interior Gateway Protocol used to distribute routing information within a single Autonomous System. It is open standard (RFC2328) It is a Link-state protocol Administrative Distance is 110 Uses cost as metric Fast convergence VLSM support Scalable to large networks Stub capabilities Authentication…
Hello,
Hey there, fellow nerds and net-surfers!
Welcome to my corner of the internet where I talk about the holy trinity of tech: Networking, Linux, and Security — or as I like to call it, “Ctrl+Alt+Fix-It”. If you’re into packet sniffing (the legal kind), hardening Linux boxes, or figuring out why your network is being as moody as a teenager, you’re in the right place.
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The Lazy Networker 