CCNA 3.13: Configure, verify, and troubleshoot RIPv2 for IPv4

Overview: RIPv2 is an enhancement over RIPv1 in that RIPv2 overcomes three main limitations.  RIPv2 accommodates discontiguous network designs, supernetting and VLSM.   Study Notes: RIPv2 is an enhancement over RIPv1 RIPv2 is encapsulated in a UDP segment on port 520 RIPv2 can carry up to 25 ruotes RIPv2 includes a subnet mask field allowing […]

CCNA 3.12: Configure, verify and troubleshoot EIGRP for IPv6

Overview: EIGRP for IPv6 functions the same as EIGRP for IPv4 only it uses IPv6 addresses and some of the commands are different.   Study Notes: Configuration commands to use with EIGRP for IPv6 config t ipv6 unicast-routing ipv6 router eigrp eigrp router-id 1.1.1.1 no shutdown Ctrl+Z config t interface f0/0 ipv6 eigrp 1 Ctrl+Z […]

CCNA 3.11: Configure, verify and troubleshoot EIGRP for IPv4

Overview: Enhanced Interior Gateway Routing Protocol (EIGRP) is a Cisco proprietary advanced distance vector dynamic routing protocol.   Study Notes: EIGRP uses the Diffusing Update Algorithm (DUAL) Fast convergence Easy on processor Incremental updates EIGRP is an Advanced Distance vector protocol Combines the best of Distance Vector with Link State protocols, but is considered a […]

CCNA 3.10: Configure, verify, and troubleshoot single area and multi-area OSPFv3 for IPv6

Overview: OSPFv3 has the same functionality as OSPFv2, but uses IPv6 addresses to communicate with OSPFv3 peers.   Study Notes: OSPFv3 uses the same SPF algorithm as OSPFv2 OSPFv3 has a separate process than OSPFv2 OSPFv3 maintains separate neighbor tables, topology tables and routing tables from OSPFv2 Similarities Link State SPF algorithm Metric is cost […]

CCNA 3.9: Configure, verify, and troubleshoot single area and multi-area OSPFv2 for IPv4

Overview: Open Shortest Path First version 2 (OSPFv2), is a non-proprietary link-state routing protocol that is typically used within an autonomous system (otherwise known as an interior gateway protocol).  The v2 simply means you are using IPv4 addresses.   Study Notes: OSPF is a Link-state routing protocol Dijkstra’s Shortest Path First algorithm is used to […]

CCNA 3.7: Compare and contrast interior and exterior routing protocols

Overview: Interior routing protocols serve a different purpose than exterior routing protocols.  Interior routing protocols discover paths between networks whereas exterior routing protocols route between autonomous systems.   Study Notes: Areas introduce heirarchy into network architectures. An autonomous system is essentially a grouping of areas Interior Routing Protocols discover paths between networks RIP EIGRP OSPF […]

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