Posts Tagged ‘Open Shortest Path First’

Deploying a Dell PowerEdge M1000e Chassis with Dell Blade Servers and Dell MXL Blade Switches

Monday, June 10th, 2013

In this blog I demonstrate how to setup a Dell M1000e chassis with a Dell PowerEdge M620 server and two Dell MXL blade switches [FTOS 8.3.16.2]. The Dell M1000e chassis is part of a larger network composed of three Dell S4810 switches [FTOS 9.1]. Windows Server 2008 R2 Enterprise is installed on the server. Below is the network diagram for this lab. (more…)

Twitt

Multi-Area OSPF in a Mixed Cisco and Dell Force10 Environment

Tuesday, November 20th, 2012

In this lab I use one Cisco 2621XM [IOS 12.4(2)T], one Cisco 2621 [IOS 12.3(18)], one Cisco 3660 [IOS 12.1(1)T], one Cisco 3640 [IOS 12.1(2)T], one Cisco 3550-24PWR-SMI [IOS 12.2(44)SE6], one Dell Force10 S60 [FTOS 8.3.3.7], and one Dell Force10 S50N [FTOS 8.4.2.6] to demonstrate multi-area OSPF in a mixed environment of Cisco and Dell Force10 switches. Below is a diagram of my lab setup. (more…)

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Multi-Area OSPF – Redundancy, Route Summarization, and LSA Filtering

Monday, July 9th, 2012

In this lab, all routers except for R4 and R5 are Cisco 3725 routers [IOS 12.4(15)T10]. Routers R4 and R5 are Cisco 7200 routers [IOS 12.4(24)T]. Below is the network diagram for this lab.
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Twitt

OSPF Explained and Useful Troubleshooting Commands

Wednesday, January 4th, 2012

Open Shortest Path First (OSPF) is an open standard link-state routing protocol that supports multiple equal-cost routes to the same destination (four by default). OSPF constructs a shortest path tree and then updates the routing table with the best paths. In this blog I I will be explaining OSPF in the context of OSPF on Cisco routers, so I will be using Cisco IOS command syntax. For some of the commands I have included screenshots from a Cisco 2621XM [IOS 12.3(16a)] router. (more…)

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