... details, please read
the chapter/ curriculum.
Book:
RoutingProtocols
and Concepts
By Rick Graziani and
Allan Johnson
ISBN: 1-587 13- 206-0
ISBN- 13: 978-587 13-
206 -3
23
EIGRP Bounded
Updates
... Metrics
Using the bandwidth Command
Calculating the EIGRP Metric
DUAL
DUAL Concepts
Successor and Feasible Distance
Feasible Successors, Feasibility
Condition, and Reported Distance
... Autonomous Systems and
Process IDs
The router eigrp Command
The network Command
Verifying EIGRP
Examining the Routing Table
EIGRP Metric Calculation
EIGRP Composite Metric and the K
Values
...
... the routing table.
ITE PC v4.0
Chapter 1
2
â 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Introduction to Dynamic
Routin
g
Protocol
g
Routing ProtocolsandConcepts – Chapter3
â ... of routingprotocols are required: interior and
exterior routing protocols.
Interior Gateway Protocols
(IGP)
-
Interior
Gateway
Protocols
(IGP)
ãare used for intra-autonomous system routing ... route and it will not be installed in the routing
table.
ITE PC v4.0
Chapter 1
33
â 2007 Cisco Systems, Inc. All rights reserved. Cisco Public
Dynamic Routing Protocol Operation
Dynamic
Routing
...
... vector routingprotocols (RIP), link-state routing
protocols do not send periodic updates.
OSPF routers do flood their own link states every 30 minutes.
This is known as a paranoid update and ... Implementing Link-State
Routing
Advantages of a Link-State Routing Protocol
Requirements of a Link-State Routing Protocol
Comparison of Link-State Routing Protocol
Note: Chapter 11 discusses ... 11 discusses the implementation and configuration of a link-
state routing protocol, OSPF.
46
Hierarchical
Design
Link-state routingprotocols such as OSPF and IS-IS use the concept of
areas....
... chapter/ curriculum.
Book:
Routing Protocols
and Concepts
By Rick Graziani and
Allan Johnson
ISBN: 1-587 13- 206-0
ISBN- 13: 978-587 13-
206 -3
42
Verifying OSPF
Excellent command to begin troubleshooting. ... omitted>
R3# show ip protocols
Routing Protocol is “ospf 1”
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Router ID 10 .3. 3 .3
<output ... Configuration
Lab Topology
The router ospf command
The network command
OSPF Router ID
Verifying OSPF
Examining the Routing Table
44
Verifying OSPF
R1# show ip protocols
Routing Protocol...
... Missing Route
34 34
Routing Table Concepts
l The routing table consists of a list of “known” network addresses—
that is, those addresses that are directly connected, configured
statically, and learned ... 192.168.1.0/24 is directly connected, Serial0/0/1
37 37
Observing Routes as They are Added to the Routing Table
l The debug ip routing displays routing table processes for any
route,
Ÿ directly ... protocol is down
<output omitted>
131 3
Examining Router Interfaces
l show ip route command is used to display the routing table.
l Initially, the routing table is empty if no interfaces...
... receivesreceives
33
Routing Table Maintenance
Routingprotocols must maintain the routing tables so that they have the
most current routing information.
How?
Depends on:
Type of routing protocol ... 1
sendsreceives
34
Periodic Updates
Some distance vector routingprotocols use periodic updates with their
neighbors and to maintain up-to-date routing information in the routing table.
RIPv1 and RIPv2
... 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 is
down.
3. R3 installs the...
... 172 .30 .0.0/16
192.168.4.0/24
192.168.5.0/24
172 .30 .0.0/16
192.168.4.0/24
192.168.5.0/24
The 172 .30 .0.0/16
network is subnetted into
three subnets:
172 .30 .1.0/24
172 .30 .2.0/24
172 .30 .3. 0/24
... 192.168.5.0/24 [120/2] via 192.168.2.2, 00:00: 23, Serial0/0/0
38
R2 sends update to R3.
Three routes are included.
R2 does not advertise the network R2 and R3 share, nor does it
advertise the ... 1
network 192.168 .3. 0 metric 1
Learned via
RIP from R1
Directly
Connected
32
Verifying RIP: show ip protocols Command
Classful networks configured with the network
command are listed next....
... R1 and R3 contain VLSM networks.
Both R1 and R3 are configured with /24 subnets of the 172 .30 .0.0/16
network.
R3: 172 .30 .200.0/24 subnetted again, using the first 4 bits for subnets and ... summarized 172 .30 .0.0
Result, R2 only knows about the 172 .30 .0.0/16 classful network and is
unaware of any 172 .30 .0.0 subnets.
R1# show ip route
172 .30 .0.0/24 is subnetted, 2 subnets
C 172 .30 .2.0 ... 209.165.200.0
R3(config)# router rip
R3(config-router)# network 172 .30 .0.0
R3(config-router)# network 209.165.200.0
11
We use RFC 1918 and Cisco Example addresses for all topologies.
Private Addresses and...
... Chapter 8
The Routing Table: A Closer Look
The Routing Table Structure
38
Step 2b.
If there is not a match with any of the level 2 child routes, proceed to
Step 3.
The Route ... Lookup Process
Routing Table
43
Step 5.
If there is not a match with any route in the routing table, the router
drops the packet.
The Route Lookup Process
Routing Table
35
Step 1b.
If ... 64000
R1(config-if)# no shutdown
R3(config)# interface FastEthernet0/0
R3(config-if)# ip address 172.16.4.1 255.255.255.0
R3(config-if)# no shutdown
R3(config-if)# interface Serial0/0/1
R3(config-if)# ip address...
... for the routing process.
Demonstrate the ability to configure devices and
Demonstrate
the
ability
to
configure
devices
and
apply addresses.
Describe the structure of a routing ...
The Layer 2 encapsulation can be of
different types,
PPP
,
Frame Rela
y,
and HDLC
(
Hi
g
h-
ITE PC v4.0
Chapter 1
33
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,y,(g
Level ... router, you will begin to
see output on the screen.
Step 3and 4: Locate & load Cisco IOS software
Locate IOS and Load IOS
-
Locate
IOS
and
Load
IOS
–The IOS is typically stored in flash...
...
t
o
th
e o
th
er rou
t
er.
Static Routing
RoutingProtocolsandConceptsChapter 2
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Chapter 1
1
General Role of the Router ...
0/1
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Routing Table Concepts
Routing
Table
Concepts
Purpose of the debug ip routing command
Allows you ... time
1
3
enable debugging with the debug ip routing command
Confi
g
urin
g
the IP address and Subnet Mask
disable interfaces with the shutdown command.
gg
4
Check the routing table
2
Check the routing...