Enhanced Interior Gateway Routing Protocol
calculate its distance metric. It also supports three other parameters to calculate its metric: Reliability, Load, and MTU. • EIGRP has a maximum hop-count of 224, though the default maximum hop-count is set to 100. EIGRP, much like OSPF, builds three separate tables: • Neighbor table – list of all neighboring routers. Neighbors must
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Border Gateway Protocol
routeralley.comOnce BGP peers form a neighbor relationship, they share their full routing table. Afterwards, only changes to the routing table are forwarded to peers. By default, BGP assumes that eBGP peers are a maximum of one hop away. This restriction can be bypassed using the ebgp-multihop option with the neighbor command (demonstrated later in this guide).
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routeralley.comOSPF is a standardized Link-State routing protocol, designed to scale efficiently to support larger networks. OSPF adheres to the following Link State characteristics: • OSPF employs a hierarchical network design using Areas. • OSPF will form neighbor relationships with adjacent routers in the same Area.
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routeralley.comunless a switching loop or other issue exists. Ternary Content Addressable Memory (TCAM) tables provide high-speed lookups for two additional functions: • Filtering traffic using access-lists • Prioritizing traffic using QoS TCAM tables are covered in greater detail later in this guide.
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routeralley.comThe following briefly outlines the advantages and disadvantages of dynamic routing: Advantages of Dynamic Routing • Simpler to configure on larger networks • Will dynamically choose a different (or better) route if a link goes down • Ability to load balance between multiple links Disadvantages of Dynamic Routing
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routeralley.comCCNP Routing Study Guide v1.22 – Aaron Balchunas * * * All original material copyright © 2013 by Aaron Balchunas ( aaron@routeralley.com ), unless otherwise noted ...
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routeralley.comAdvanced Static Routes Parameters The Administrative Distance of a static route can be changed to form a floating static route, which will only be used if there are no other routes with a lesser AD in the routing table. A floating static route is often used as a backup route to a dynamic routing protocol.
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routeralley.comPart III - Routing Section 13 The Routing Table Section 14 Static vs. Dynamic Routing Section 15 Classful vs. Classless Routing Section 16 Configuring Static Routes Section 17 RIPv1 & RIPv2 Section 18 IGRP Section 19 EIGRP Section 20 OSPF …
subnetting exercises answers - Router Alley
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www.idc-online.cominto subnets, then all subnets have the identical number of host addresses. Variable length subnet masks (VLSMs) allow subnets to be further subnetted, and also enable routers to handle different subnet masks. VLSMs provide the flexibility needed to optimize the network configuration by allowing you to configure network subnets that meet