Static routing advantages and disadvantages dynamic

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  Static Routing Advantages and Disadvantages Dynamic Routing Advantages & Disadvantages  
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3.2 RIPv2 3.2.1 Configuring the RIP Protocol Router RIP Configuration Mode   Verify RIP Routing
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  Enable and Verify RIPv2
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  Disable Auto Summarization Similarly to RIPv1, RIPv2 automatically summarizes networks at major network boundaries by default.
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To modify the default RIPv2 behavior of automatic summarization, use the no auto-summary router configuration mode command. This command has no effect when using RIPv1. When automatic summarization has been disabled, RIPv2 no longer summarizes networks to their classful address at boundary routers. RIPv2 now includes all subnets and their appropriate masks in its routing updates. The show ip protocols now states that automatic network summarization is not in effect. Configuring Passive Interfaces Sending out unneeded updates on a LAN impacts the network in three ways: Wasted Bandwidth Wasted Resources Security Risk   Propagate a Default Route
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  3.3 The Routing Table 3.3.1 Parts of an IPv4 Route Entry Routing Table Entries
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  Directly Connected Entries
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  Remote Network Entries   3.3.2 Dynamically Learned IPv4 Routes Routing Table Terms Routes are discussed in terms of: Ultimate route Level 1 route Level 1 parent route Level 2 child routes
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  Ultimate Route An ultimate route is a routing table entry that contains either a next- hop IP address or an exit interface. Directly connected, dynamically learned, and link local routes are ultimate routes.
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  Level 1 Route   Level 1 Parent Route
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Level 2 Child Route   3.3.3 The IPv4 Route Lookup Process Route Lookup Process
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1. If the best match is a level 1 ultimate route, then this route is used to forward the packet. 2. If the best match is a level 1 parent route, proceed to the next step.
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