Ccnp Route - Eigrp

Front 1

What two actions does a router take upon having EIGRP enabled on an interface?

Back 1

1. Sends multicast hello messages out the interface

2. Advertises the interface's subnet

Front 2

With EIGRP, what happens if you try to enter a network statement with a specific address (ex: 10.1.1.1) and a wildcard (0.0.255.255)?

Back 2

It ORs the address to 10.1.0.0 & 0.0.255.255

Front 3

Which two commands list the interfaces that have EIGRP enabled?

Back 3

show ip eigrp interfaces

show ip protocols

Front 4

What are the 3 steps for EIGRP to add routes to the routing table?

Back 4

1. Neighbor Discovery

2. Topology Exchange

3. Choose Routes

Front 5

Which protocol do EIGRP updates use?

Back 5

Reliable Transport Protocol (RTP)

Front 6

What are the default EIGRP timers?

Back 6

LAN, P2P, or High BW NMBA:

5 & 15

Low BW NBMA:

60 & 180

Front 7

Configure the hello interval & hold time for an EIGRP AS 100-enabled interface to 3 & 10 seconds

Back 7

ip hello-interval eigrp 100 3

ip hold-time eigrp 100 10

Front 8

Will the IOS allow you to configure an EIGRP hold time that is shorter than the hello interval?

Back 8

Yes

Front 9

Configure every EIGRP-enabled interface (AS 100) to be passive by default

Back 9

passive-interface default

Front 10

What are the 6 requirements for a successful EIGRP neighborship?

Back 10

- IP Connectivity

- Same Subnet

- Not Passive

- Same ASN

- Successful Authentication

- Matching K-values

Front 11

What are the 3 requirements for a successful OSPF neighborship that EIGRP doesn't have?

Back 11

- Matching Timers

- Matching MTU

- Unique Router IDs

Front 12

List all 5 EIGRP K-values

Back 12

K1: Bandwidth

K2: Load

K3: Delay

K4: Reliability

K5: MTU

Front 13

Enable the EIGRP metric factors Bandwidth, Delay, & Reliability

Back 13

metric weights 0 1 0 1 1 0

Front 14

What are 5 benefits of using EIGRP?

Back 14

1. Feasible Successors

2. Simple Configuration

3. Flexible Summarization

4. Unequal Cost Load-Balancing

5. Less CPU Intensive

Front 15

Define "Reported Distance" & "Feasible Distance"

Back 15

Reported Distance:

The distance from the router's neighbor to the network in question.

Feasible Distance:

The distance from the router itself to the network in question.

Front 16

Define "Successor" & "Feasible Successor"

Back 16

Successor:

The route with the lowest Feasible Distance to a given network.

Feasible Successor:

Routes with an RDs that are lower than the FD of the successor.

Front 17

List & Define the 5 types of EIGRP packets

Back 17

Hello: Forms Relationships

Update: Sends Updates

Query: Asks about Routes

Reply: Response to a Query

ACK: Acknowledge the Update, Query, & Reply Messages

Front 18

What is one unintended side effect of changing the auto summarization configuration in EIGRP?

Back 18

Neighborships drop

Front 19

What does the "H" (Handle) column in "show ip eigrp neighbors" represent?

Back 19

The order that you formed neighborships in.

Front 20

What does the "SRTT" column in "show ip eigrp neighbors" reprsent?

Back 20

The round-trip delay, in milliseconds.

Front 21

How many successors can be added to the routing table by default?

Back 21

4

Front 22

Is there a difference between the terms "Reported Distance" (RD) & "Advertised Distance" (AD)?

Back 22

There is no difference

Front 23

When is an EIGRP route considered to be in "passive" state?

Back 23

When DUAL is not executing any computation to discover the possible alternative paths.

Front 24

When is an EIGRP network considered to be fully converged?

Back 24

When all routes are in passive state

Front 25

Display the EIGRP topology table with the inclusion of non-successor routes

Back 25

show ip eigrp topology all-links

Front 26

What are 2 major solution to excessive EIGRP querying?

Back 26

Route Summarization & Stub Routing

Front 27

What are the default Administrative Distances for the 3 EIGRP route types?

Back 27

Summary - 5

Internal - 90

External - 170

Front 28

In router configuration mode, configure an EIGRP stub router with default parameters.

Back 28

eigrp stub

Front 29

List all 6 EIGRP stub paramters

Place a "*" next to the option that cannot be combined with others.

Back 29

- receive-only*

- leak-map

- connected

- static

- summary

- redistributed

Front 30

Verify which of your EIGRP neighbors are stubs, and which types of routes they are advertising

Back 30

show ip eigrp neigbors detail

Front 31

What is one unintended side effect of configuring an EIGRP stub?

Back 31

Neighborships Drop

Front 32

Disable split horizon on an EIGRP AS 100-enabled interface.

Back 32

no ip split-horizon eigrp 100

Front 33

Does disabling split horizon cause EIGRP neighborships to drop?

Back 33

No

Front 34

Does configuring a summary address cause EIGRP neighborships to drop?

Back 34

No

Front 35

On an EIGRP AS 100-enabled interface, configure a summary route for 10.0.100.0/22

Back 35

ip summary-address eigrp 100 10.0.100.0/22

Front 36

What change does a router make to its local routing table upon configuring an EIGRP summary route?

Back 36

Adds the summary route to its own table pointing to "Null0" with an AD of 5?

Front 37

Where in an EIGRP routing table will you see an AD of 5?

Back 37

Only on the a local summary route pointing to "Null0"

Front 38

What are the respective routing table codes for EIGRP internal & external routes?

Back 38

D

D EX

Front 39

Enter router configuration mode & change the administrative distance for external EIGRP routes to 200; leave all other route types at their default value.

Back 39

distance eigrp 90 200

Front 40

Will changing administrative distances in router configuration mode cause EIGRP neighborships to bounce?

Back 40

Yes

Front 41

Must the routing table be cleared for an EIGRP administrative distance change to take effect?

Back 41

No

Front 42

Are EIGRP administrative distances advertised, or are they locally-significant only?

Back 42

Locally Significant

Front 43

Verify whether or not EIGRP automatic summarization is enabled

Back 43

show ip protocols

Front 44

Verify whether or not any EIGRP manual summarization has been configured

Back 44

show ip protocols

Front 45

Verify the EIGRP K-value configuration

Back 45

show ip protocols

Front 46

List 5 benefits of route summarization

Back 46

- Smaller Routing Tables

- Smaller Routing Updates

- Greater Security

- Less Flapping-Link Updates

- Less EIGRP Queries

Front 47

Which EIGRP stub parameters are enabled by default?

Back 47

- Connected

- Summary

Front 48

What happens if you configure two connected EIGRP neighbors as stubs?

Back 48

An adjacency will not form.

Front 49

What severity level is the EIGRP K-value mismatch log message?

Back 49

5

Front 50

What is the highest weight you can assign an EIGRP K-value?

Back 50

255

Front 51

What is EIGRP's default bandwidth usage?

Back 51

50%

Front 52

On interface se2/0, change the bandwidth usage for EIGRP AS 100 to 200%

Back 52

ip bandwidth-percent EIGRP 100 200

Front 53

What is the highest EIGRP AS number?

Back 53

65535

Front 54

Which configuration level is EIGRP authentication configured at?

Back 54

Interface

Front 55

Apply the authentication keychain "CCNP" to an EIGRP-enabled interface

Back 55

ip authentication mode eigrp 100 md5

ip authentication key-chain eigrp 100 CCNP

Front 56

What is the maximum variance multiplier?

Back 56

128

Front 57

Change the number of successors that can be added to the routing table to 8.

Back 57

maximum-paths 8

Front 58

Change the EIGRP Router ID for AS 100 to 1.1.1.1

Back 58

eigrp router-id 1.1.1.1

Front 59

What does the RTQ field in the EIGRP neighbors table represent?

Back 59

The amount of time the router will wait before sending a packet from the retransmission queue.

Front 60

Debug EIGRP Hello Packets

Back 60

debug eigrp packets hello

Front 61

What must you add to the "frame-relay map" command in order for multicast hello packets go out?

Back 61

The "broadcast" keyword

Front 62

Show EIGRP traffic statistics

Back 62

show ip eigrp traffic

Front 63

In router configuration mode, disable logging for neighbor state changes

Back 63

no eigrp log-neighbor-changes

Front 64

Which IOS version makes "no auto-summary" a default?

Back 64

IOS 15.0

Front 65

Disable EIGRP Load Balancing

Back 65

maximum-paths 1

Front 66

If the variance command is changed to a value greater than 1, will unequal EIGRP paths be load-balanced proportionally by default?

Back 66

Yes

Front 67

Is there a limit on how many feasible successors can be added to an EIGRP topology table? If so, what is its default value?

Back 67

There is no limit

Front 68

Configure an router to participate in EIGRP but not to advertise any routes

Back 68

eigrp stub receive-only

Front 69

Configure 192.168.0.11 as a static neighbor on interface fa0/0

Back 69

neighbor 192.168.0.11 fa0/0

Front 70

Is Split-Horizon disabled by default on Frame-Relay physical interfaces?

Back 70

Apparently yes

Front 71

What are two ways you can propagate a default route in EIGRP?

Back 71

1. Create a static route & redistribute it

2. Use the "ip default-network" command in global configuration mode, pointed to a classful network.

Front 72

For EIGRP AS 100, disable EIGRP network advertisements going out interface fa0/0 without configuring it to be passive.

Back 72

access-list 5 deny any

router eigrp 100

distribute-list 5 out fa0/0

Front 73

Verify that a distribute list has been applied to an EIGRP interface

Back 73

show ip protocols

Front 74

Which 3 tools can a distribute list refer to?

Back 74

- ACL

- Prefix List

- Route Map

Front 75

When matching an distribute list to an ACL, if a ____ statement is matched, the route is advertised.

Back 75

permit

Front 76

When matching a distribute list to an ACL, if a ____ statement is matched, the route is filtered.

Back 76

deny

Front 77

What happens if you configure "distribute-list 2 out" without referencing an interface?

Back 77

The distribute list is applied to all EIGRP interfaces

Front 78

Create an EIGRP distribute list matching the prefix list "CCNP"

Back 78

distribute-list prefix CCNP

Front 79

What is the default EIGRP metric calculation?

Back 79

256(10,000,000 / least bandwidth in kbps) + 256(cumulative delay/10)

Front 80

Write the metric equation for a path with 1544kbps least-bandwidth, and 20200 usec delay

Back 80

256(10,000,000/1544) + 256(20200/10)