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zCCNP ROUTE > CCNP Command Practice > Flashcards

CCNP Command Practice Flashcards

1
Q

Configures a DLCI on a subinterface

A

frame-relay interface-dlci DLCI

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2
Q

Disables automatic route summarization

A

no auto-summary

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3
Q

Disables DNS resolution of hostnames

A

no ip domain-lookup

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4
Q

Configures an EIGRP summary route on an interface

A

ip summary-address eigrp asn address mask

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5
Q

Displays information about EIGRP topology

A

show ip eigrp topology

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6
Q

Configures interface delay (in 10’s of usec)

A

delay delay

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7
Q

Configures frame-relay mapping on an interface or subinterface

A

frame-relay map ip address DLCI [broadcast]

Forwards broadcasts to this address when multicast is not enabled

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8
Q

Disables split-horizon for an EIGRP process on an interface or subinterface

A

no ip split-horizon eigrp ASN

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9
Q

Disable frame relay inverse ARP on an interface

A

no frame-relay inverse-arp

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10
Q

Set the percentage bandwidth usage on EIGRP.

A

ip bandwidth-percent eigrp ASN PERCENTAGE

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11
Q

Configures the accept lifetime for a key.

A

accept-lifetime start end

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12
Q

Configures the time and date

A

clock set hh:mm:ss day month year

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13
Q

Configures an interface or subinterface for EIGRP MD5 authentication

A

ip authentication mode eigrp ASN md5

Can be configured on a per interface basis or on the EIGRP process

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14
Q

Configures an interface or subinterface with a keychain for EIGRP authentication

A

ip authentication key-chain eigrp ASN name

Can be configured on a per interface basis or on the EIGRP process

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15
Q

Creates a key on a keychain

A

key number

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16
Q

Creates a keychain

A

key-chain name

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17
Q

Specifies a keystring vaule

A

key-string

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18
Q

Configures the send lifetime for a key

A

send-lifetime start end

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19
Q

Displays current time and date

A

show clock

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20
Q

Displays keychain information

A

show key chain

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21
Q

Configures a router for EIGRP stub operation

What are the 5 options for EIGRP stub and what do they do?

A

eigrp stub [options]

Options:

Connected - Advertise connected routes but only for interfaces matched with a network command

Summary - Advertise auto-summarized or statically configured summary routes

Static - Advertises static routes, assuming the redistribute static command is configured

Redistributed - Advertises redistributed routes, assuming redistribution is configured

Receive-only - Does not advertise any routes. This option cannot be used with any other option.

A router that is configured as a stub with the eigrp stub command shares connected and summary routing information with all neighbor routers by default.

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22
Q

Configures the OSPF cost on an interface or subinterface

A

ip ospf cost cost

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23
Q

Configures the OSPF DR/BDR election priority on an interface or subinterface

A

ip ospf priority

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24
Q

Displays OSPF LSDB information

A

show ip ospf database [options]

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25
Q

Set an OSPF router to never become a DR or BDR.

A

ip ospf priority 0

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26
Q

What is the function of the broadcast keyword in the command frame-relay map ip address DLC [broadcast]?

What role does it play with OSPF

A

The broadcast keyword allows the PVC to forward broadcasts when multicasting is not enabled.

When the frame-relay map command is included in the configuration with the broadcast keyword, and the ip ospf network command (with the broadcast keyword) is configured, there is no need to configure any neighbors manually. OSPF now automatically runs over the Frame Relay network as a broadcast network. (See the ip ospf network interface command for more detail.)

Example

The following example maps the destination IP address 172.16.123.1 to DLCI 100:

interface serial 0
frame-relay map IP 172.16.123.1 100 broadcast
OSPF uses DLCI 100 to broadcast updates.

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27
Q

Selects OSPF network mode.

What are the options?

A

ip ospf network [option]

broadcast - Sets the network type to broadcast

non-broadcast - Sets the network type to nonbroadcast multiaccess (NBMA)

point-to-multipoint [non-broadcast] - Sets the network type to point-to-multipoint. The optional non-broadcast keyword sets the point-to-multipoint network to be nonbroadcast. If you use the non-broadcast keyword, the neighbor command is required.

point-to-point - Sets the network type to point-to-point

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28
Q

Define an OSPF router ID

A

router-id

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29
Q

Configures an OSPF area for stub operation. What is the option and what does it do?

When is there a default route?

A

area AREA stub [no-summary]

To make the area a stub area you must configure the command on every router. The no-summary command only goes on ABRs!

Adding the no-summary option makes the area a totally stubby area.

OSPF stub areas and totally stubby areas inject a default route.

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30
Q

Configure an OSPF area as a not-so-stubby area (NSSA). What is the option for the command and what does it do?

When is there a default route?

A

area AREA nssa [no-summary]

To make the area an NSSA you must configure the command on every router. The no-summary command only goes on ABRs!

The no-summary option makes this into a NSSA Totally Stub area.

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31
Q

How do you force OSPF to inject a default route?

A

default-information originnate [always] [metric metric-value] [metric-type type value] [route-map map-name]

The always option will force the router to advertise the route whether it is in its routing table or not.

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32
Q

How do you advertise a default route in EIGRP? (Two ways)

A

1) Use a static route redistributed into EIGRP:
ip route 0.0.0.0 0.0.0.0 x.x.x.x (next hop to the internet)

2) Use the ip default-network x.x.x.x global configuration command

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33
Q

Configures OSPF plain-text authentication on an interface

A

ip ospf authentication

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34
Q

Configures OSPF MD5 authentication on an interface

A

ip ospf authentication message-digest

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35
Q

Configures an OSPF plain-text keystring on an interface

A

ip ospf authentication-key

36
Q

Configures an OSPf MD5 key number and keystring on an interface

A

ip ospf message-digest key-id md5 keystring

key-id is An identifier in the range from 1 to 255.

37
Q

Configures administrative distance for a routing protocol.

A

distance value address wildcard_mask ACL

38
Q

Configures a prefix list to filter routing updates

A

distribute list prefix name direction protocol

39
Q

Configures an IP access control list

A

ip access-list type name

40
Q

Configures an IP prefix list

A

ip prefix-list name [options]

Example:
Rx(config)#ip prefix-list NAME_HERE permit 0.0.0.0/0 le 32

41
Q

Configures route redistribution

A

redistribute protocol [options]

Example:
router rip
redistribute ospf 1 metric 5

42
Q

Displays access lists

A

show access-lists

43
Q

Displays prefix lists

A

show prefix-lists

44
Q

Configures an ACL to filter routing updates

A

distribute-list

45
Q

Configures a numbered IP ACL

A

access-list number action conditions

46
Q

Enables debugging for IP policy-based routing

A

debug ip policy

47
Q

Matches an attribute in a route map statement

A

match attribute

48
Q

Configures a statement in a route map

A

route-map name permit|deny number

Example:
Rx(config)#route-map LongWay permit 10
match ip address 101
set interface serial0/0/0.1

access-list 101 permit ip any host 192.168.2.99

49
Q

Sets an attribute in a route map statement

A

set attribute

50
Q

Displays routing policies

A

show ip policy

51
Q

Traces to the specified address

A

traceroute address

52
Q

Place a route map into use

A

ip local policy route-map name

53
Q

Summarizes BGP routes and suppresses the advertisement of the explicit routes

A

aggregate-address address mask [summary-only]

The summary-only option filters more specific routes from updates.

54
Q

Configures a BGP peer

A

neighbor address remote-as asn

55
Q

Specifies an update source address for a BGP peer

A

neighbor address UPDATE-SOURCE type number

56
Q

Clear a BGP neighbor relationship

A

clear ip bgp options

57
Q

Configures a default BGP local preference

A

bgp default local-preference value

58
Q

Set BGP MED attribute

A

(config-router)# default-metric

59
Q

What interface-level configuration statement assigns the interface to OSPFv3 areas?

A

A: ipv6 opsf [process] area [area-ID]

60
Q

Enables the forwarding of IPv6 unicast datagrams globally on the router

A

(config)#ipv6 unicast-routing

61
Q

Automatically configures an IPv6 link-local address on the interface and enables IPv6 proceissing on the interface.

A

ipv6 enable

Note: The link-local address that the ipv6 enable command configures can be used only to communicate with nodes on the same link.

62
Q

Router will configure itself with a link-local address using stateless auto-configuration

A

ipv6 address autoconfig

Enabling stateless autoconfiguration on the interface configures IPv6 addresses based on prefixes received in Router Advertisement messages. A link-local address, based on the Modified EUI-64 interface ID, is automatically generated for the interface when stateless autoconfiguration is enabled.

63
Q

Configures a global IPV6 address on the interface and enables IPv6 processing on the interface

A

ipv6 address 3000::1/64

64
Q

Configures a global IPv6 address with an interface identifier in the low-order 64 bits of the IPv6 address

A

ipv6 address 2001:db8:0:1::l64 eui-64

65
Q

Configures a specific link-local IPv6 address on the interface rather than the one that is automatically configured when IPv6 is enable on the interface

A

ipv6 address fe80::260:3eff:fe47:1530/64 link-local

66
Q

Specifies an unnumbered interface and enables IPv6 processing on the interface. The global IPv6 address of the interface specified by type/number will be used as the source address

A

ipv6 unnumbered type/number

67
Q

Enables OSPFv3 process 1 on the interface and places this interface into area 0

A

ipv6 ospf 1 area 0

Note: The OSPFv3 process is created automatically when OSPFv3 is enabled on an interface

Note: The ipv6 ospf x area y command has to be configured on each interface that will take part in OSPFv3

68
Q

Assigns a priority number to this interface for use in the designated router (DR) election. The priority can be a number from 0 to 255. The default is 1. A router with a priority of 0 is ineligibale to become the DR or the BDR

A

ipv6 OSPF priority

69
Q

Assigns a cost value of 20 to this interface. The cost value can be an integer from 1 to 65,535

A

ipv6 ospf cost 20

70
Q

Enables EIGRP IPv6 processing on an interface that has not been configured with an explicit IPv6 address.

A

ipv6 eigrp 100

71
Q

Enables the use of a fixed router ID

A

eigrp router-id 10.1.1.1

Only use this command if an IPv4 address is not defined.

72
Q

How do you configure a manual tunnel?

A

1) Create a tunnel interface with interface tunnel0
2) Assign it an interface with ipv6 address <address>/prefix
3) Specify the tunnel source and destination
4) Specify a manual IPv6 tunnel with tunnel mode ipv6ip</address>

73
Q

How do you configure a generic routing encapsulation (GRE) tunnel?

A

1) Create a tunnel interface with interface tunnel0
2) Assign it an interface with ipv6 address <address>/prefix
3) Specify the tunnel source and destination
4) Specify a GRE tunnel with tunnel mode gre ipv6</address>

74
Q

How do you configure a 6:4 tunnel?

A

1) Create a tunnel interface with interface tunnel0
2) Assign it an interface with ipv6 address <address>/prefix
3) Specify the tunnel source and destination
4) Specify a GRE tunnel with tunnel mode ipv6ip 6to4

In global configuration:

ipv6 route 2002::/16 tunnel0</address>

75
Q

Displays IPv6 tunnel information

A

show ipv6 tunnel

76
Q

What two EIGRP subcommands are required to support L3 unequal-cost link load balancing over 5 different paths?

A

A: The variance and maximum-paths subcommands would be required

Out of the box, EIGRP will automatically load balance across equal-cost paths with no special configuration. EIGRP is unique, however, in its ability to load balance across unequal-cost paths with a single command.

The variance command allows unequal-cost load balancing over up to 6 different paths. But here’s the key, it only works when the cost of the path is lower than the variance number multiplied by the best metric.

R1(config)#router eigrp 1
R1(config-router)# variance 2
By default, Cisco IOS will load balance across 4 equal-cost paths only. Using the maximum-paths command, you can configure the router to load balance over up to 16 paths. Setting it to 1 disables the load balancing.

R1(config)# maximum-paths 5

77
Q

How do you add a prefix list outbound on an ABR for a route filter?

A

area # filter-list prefix out

78
Q

When performing route redistribution, what two show commands could be run on the redistribution router to verify it is redistributing properly?

A

“show ip route” and “show ip protocols”

The “show ip route” command can be issued on a router performing route redistribution to verify that that the proper routes from both routing protocols are in the local routing table.

The “show ip protocols” command can be used to verify the redistribution commands have been issued correctly as they will be displayed in the output.

79
Q

What command displays the statistics for the number of packets matching a route map?

A

show route-map

80
Q

What command displays the measurements from an SLA operation?

A

show ip sla statistics

81
Q

What dialer interface command uses PPP/IPCP address negotiation to acquire an IP address?

A

ip address negotiated

82
Q

What command sets the admin distance of all EIGRP internal routes AND external routes to set numbers?

A

distance eigrp

83
Q

How do you set the OSPF default metric?

A

set metric-type

84
Q

What command configures PBR so that it can verify if the next hop interface is up before using it?

A

set ip next-hop verify-availability

85
Q

How can you set a neighbor in BGP on a non-directly connected network?

A

neighbor neighbor-ip ebgp-multihop TTL

zCCNP ROUTE (23 decks)

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