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CMIT 350 WAN and SOHO Skills ImplementationCourse: CMIT 350 Interconnecting Cisco Devices (Part 2)Professor: Rodolfo SolisCreated by: Chris ReaganDate: 6/23/16Summary:I.Worchester Subnetting Configurations and Boston Site Protocol, Route Summarization, and Topology ImprovementsII.BibliographyI.Worchester Subnetting Configurations and Boston Site Protocol, Route Summarization, and Topology ImprovementsSite Details and Challenges Subnetting Configurations:Currently, there are a total of four different VLAN’s made up for Faculty, Administrative, Instructional, and Server sites. The Worchester site has a total of 288 devices and there will be a need for growth in the future. The network has already been allocated the 10.20.0.0/16 IP’s which consists of 65,534 hosts in total. To break this down in a really easy way I’ve chosen to subnet the 10.20.0.0/16 network into /24 subnets which will accommodate the largest VLAN, which has 215 hosts. Also, the VLAN’s that only have a few hosts right now this configuration will allow for expansion when the time comes in the future.Net IDUsable RangeSubnet MaskCIDR ValueBroadcast10.20.0.0 – Faculty VLAN 10.20.0.1-10.20.0.254255.255.255.0 /24 10.20.0.25510.20.1.0 – Administrative VLAN10.20.1.1-10.20.1.254255.255.255.0 /24 10.20.1.25510.20.2.0 – Instructional VLAN10.20.2.1-10.20.2.254255.255.255.0 /24 10.20.2.25510.20.3.0 – Server VLAN10.20.3.1-10.20.3.254255.255.255.0 /24 10.20.3.255Boston Site Protocol, Route Summarization, and Topology Improvements: Routing Protocol:OSPF builds a database of routes to its neighbor’s and using Dijkstra’s algorithm, calculates thebest possible path. OSPF needs to be aware of the up or down state of its neighbor’s in order to
calculate the best path. RIP and RIP-2 are distance vector protocols. RIP uses "number-of-hops" as it’s metric and Bellman-Ford algorithm to calculate the best route based on the numberof "hops" it takes to reach the specified subnet.EIGRP is Cisco proprietary hybrid between link-state and distance vector. EIGRP combines OSPF and RIP to determine the best route for each subnet.Summarization:Summarizing IP addresses ensures that there are no entries for child routes, which are routes that are created for any combination of the individual IP addresses contained within a summary address in the routing table. In summary the routing table will be as follows; a)BostonRouter1: 10.10.0.1, 10.10.2.1, 10.10.4.1, 10.10.6.1 10.10.0.0/2220.127.116.11, 10.10.12.1, 10.10.14.1, 10.10.16.1 10.10.0.0/19b)BostonRouter2:10.10.0.1, 10.10.2.1, 10.10.4.1, 10.10.6.1 10.10.0.0/218.104.22.168, 10.10.12.1, 10.10.14.1, 10.10.16.1 10.10.0.0/19c)BostonRouter3:10.10.0.1, 10.10.2.1, 10.10.4.1, 10.10.6.1 10.10.0.0/222.214.171.124, 10.10.12.1, 10.10.14.1, 10.10.16.1 10.10.0.0/19Default Route:a)BostonRouter126.96.36.199/16 188.8.131.52.40.0.0/16 184.108.40.206.30.0.0/16 10.255.255.248/3010.20.0.0/16 10.255.255.248/30b)BostonRouter220.127.116.11/16 10.10.255.25010.40.0.0/16 10.10.255.25010.30.0.0/16 10.10.255.25010.20.0.0/16 10.10.255.250c)BostonRouter18.104.22.168/16 10.10.255.25410.40.0.0/16 10.10.255.25410.30.0.0/16 10.10.255.25410.20.0.0/16 10.10.255.254
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