Chapter 7 & 8
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Primary Uses of Static Routing | Ease of routing table maintenance in smaller networks
Routing to and from a stub network
Accessing a single default
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| Disadvantages of Static Routing | Not easy to implement in a large network
Managing the static configs can become time consuming
If a link fails, cannot reroute traffic
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| Advantages of Dynamic Routing | Suitable in all topologies where multiple routers are required
Generally independent of the network size
Automatically adapts topology to reroute traffic if possible
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| Disadvantages of Dynamic Routing | Can be more complex to implement
Less secure. Additional config settings required to secure.
Route depends on the current topology
Requires additional CPU, RAM, and link bandwidth
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| Data Structures | Routing protocols typically use tables or databases for its operations. Info kept in RAM.
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| Routing Protocol Messages | Routing protocols use various types of messages to discover
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| OSPFv2/3 Supports Link-State? | Yes
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| OSPFv2/3 Routing Algorithm | SPF
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| OSPFv2/3 Metric? | Cost
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| OSPFv2/3 Areas? | Support the same two-level hierarchy
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| OSPFv2/3 Packet Types? | Same Hello, DBD, LSR, LSU, and LSAck packets
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| OSPFv2/3 Neighbor Discovery? | Transitions through same states using hello packets.
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| OSPFv2/3 DR & BDR? | Function and election process is the same
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| Router ID | 32-bit router ID: determined by the same process in both protocols
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| IPv4 is for OSPFv? | 2
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| IPv6 is for OSPFv? | 3
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| How often are OSPF Hello packets sent by default? | 10 seconds on multi access and point-to-point segments. Every 30 seconds on NBMA.
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| The Dead Interval? | 4 x as long as the Hello interval.
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| What is needed for routers to become adjacent? | Their Hello & Dead intervals, network types and subnets much match.
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