... network administrator.
Other ways to compare routing
protocols:
46
Implications of Routing Loops
1. 10 .4. 0.0 goes down.
2. R2 sent R3 a route to 10 .4. 0.0 before R3 could inform R2 that the network ... 10 .4. 0.0 network
will loop between R2 and R3 until one of the routers drops the packet (the TTL
expires).
1
10 .4. 0.0
2
3
X
5
Introduction to Distance
Vector Routing Protoc...
... For further explanation
and details, please read
the chapter/ curriculum.
Book:
Routing Protocols
and Concepts
By Rick Graziani and
Allan Johnson
ISBN: 1-58713-206-0
ISBN-13: 978-58713-
206-3
23
EIGRP ... Metrics
Using the bandwidth Command
Calculating the EIGRP Metric
DUAL
DUAL Concepts
Successor and Feasible Distance
Feasible Successors, Feasibility...
... 11 discusses the implementation and configuration of a link-
state routing protocol, OSPF.
46
Hierarchical
Design
Link-state routing protocols such as OSPF and IS-IS use the concept of
areas. ... routing issues within an area.
Multi-area OSPF and IS-IS are discussed further in CCNP.
Link-State Routing
Link-State Routing Protocols
Introduction to the SPF Algori...
... chapter/ curriculum.
Book:
Routing Protocols
and Concepts
By Rick Graziani and
Allan Johnson
ISBN: 1-58713-206-0
ISBN-13: 978-58713-
206-3
42
Verifying OSPF
Excellent command to begin troubleshooting. ... network command
OSPF Router ID
Verifying OSPF
Examining the Routing Table
44
Verifying OSPF
R1# show ip protocols
Routing Protocol is “ospf 1”
Ou...
... 1200, 240 0, 9600,
19200, 3 840 0, 56000, 640 00, 72000, 125000, 148 000, 500000,
800000, 1000000, 1300000, 2000000, and 40 00000.
l If DTE interface is configured with the clock rate command, IOS ... with any device on the 172.16.3.0/ 24 and
172.16.2.0/ 24 networks.
Ÿ R2 can communicate with any device on the 172.16.1.0/ 24,
172.16.2.0/ 24, and 192.168.1.0/ 24 networks.
Ÿ R3 can...
... 172.16 .4. 0.
Also, R3 does not have routes to subnets 172.16.1.0/ 24, 172.16.2.0/ 24, or
172.16.3.0/ 24.
19
Parent route:
172.16.0.0: The classful network address for our subnet.
/ 24: The ... address or exit interface.
44
Longest Match
(Digressing from topology)
For there to be a match between the destination IP address of a packet
and a route in the routing table, a mi...