300-410 Exam Dumps - Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI)

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Question # 17

Configure individual VRFs for each customer according to the topology to achieve these goals :

SW1

SW2

SW3

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Answer:

Explanation:

Solution:

Use cu-red under interfaces facing SW1 & SW3:

On R1:

interface Ethernet0/0

ip vrf forwarding cu-red

ip address 192.168.1.254 255.255.255.0

Check reachability to SW1:

R1#ping vrf cu-red 192.168.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

On R2:

interface Ethernet0/0

ip vrf forwarding cu-red

ip address 192.168.2.254 255.255.255.0

Check reachability to SW3:

R2#ping vrf cu-red 192.168.2.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:

!!!!!

Use vrf cu-green for SW2 & SW4:

On R1:

interface Ethernet0/1

ip vrf forwarding cu-green

ip address 192.168.20.254 255.255.255.0

Test reachability to SW2:

R1#ping vrf cu-green 192.168.20.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.22.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

On R2:

interface Ethernet0/1

ip vrf forwarding cu-green

ip address 192.168.22.254 255.255.255.0

Test reachability to SW4:

R2#ping vrf cu-green 192.168.22.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.20.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

On R1:

interface Ethernet0/2.100

mpls ip

interface Ethernet0/2.200

mpls ip

Configure BGP:

router bgp 65000

neighbor 10.10.10.2 remote-as 65000

neighbor 10.10.20.2 remote-as 65000

address-family vpnv4

neighbor 10.10.10.2 activate

neighbor 10.10.20.2 activate

exit-address-family

address-family ipv4 vrf cu-green

redistribute connected

exit-address-family

address-family ipv4 vrf cu-red

redistribute connected

exit-address-family

R1(config)#ip vrf cu-red

R1(config-vrf)#route-target both 65000:100

R1(config)#ip vrf cu-green

R1(config-vrf)#route-target both 65000:200

On R2:

interface Ethernet0/2.100

mpls ip

interface Ethernet0/2.200

mpls ip

router bgp 65000

neighbor 10.10.10.1 remote-as 65000

neighbor 10.10.20.1 remote-as 65000

address-family vpnv4

neighbor 10.10.10.1 activate

neighbor 10.10.20.1 activate

exit-address-family

address-family ipv4 vrf cu-green

redistribute connected

exit-address-family

address-family ipv4 vrf cu-red

redistribute connected

exit-address-family

R2(config)#ip vrf cu-red

R2(config-vrf)#route-target both 65000:100

R2(config)#ip vrf cu-green

R2(config-vrf)#route-target both 65000:200

Verification:

From SW1 to SW3:

SW1#ping 192.168.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

But canâ€™t Reach SW2 or SW4 in VRF cu-green:

SW1#ping 192.168.22.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.22.1, timeout is 2 seconds:

U.U.U

Success rate is 0 percent (0/5)

SW1#ping 192.168.20.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.20.1, timeout is 2 seconds:

U.U.U

Success rate is 0 percent (0/5)

Same Test for SW2:

From SW2 to SW4:

SW2#ping 192.168.20.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.20.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/1 ms

But canâ€™t Reach SW3 or SW1 in VRF cu-red:

SW2#ping 192.168.1.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:

U.U.U

Success rate is 0 percent (0/5)

SW2#ping 192.168.2.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:

U.U.U

Success rate is 0 percent (0/5)

Both R1 & R2 has separate tables for VRFs cu-red and cu-green.

Question # 18

Which routing protocol is used by the PE router to advertise routes to a CE router without redistribution or static after removing the RD tag from the P router?

IS-IS

OSPF

BGPIPv4

MP-BGP

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Question # 19

Refer to the exhibit.

The network administrator must configure Cape Town to reach Dubai via Tokyo based on the speeds provided by the service provider. It was noticed that Cape Town is reaching Dubai directly and failed to meet the requirement. Which configuration fixes the issue?

Option

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Question # 20

Refer to the exhibit. An engineer configured user login based on authentication database on the router, but no one can log into the router. Which configuration resolves the issue?

aaa authentication login default enable

aaa authorization network default local

aaa authentication login default local

aaa authorization exec default local

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Question # 21

Refer to the exhibit. The services at branch B are down. An engineer notices mal rouler A and router B are not exchanging any routes Which configuration resolves the issue on router B?

Option A

Option B

Option C

Option D

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Question # 22

Refer to the exhibit.

R1 is configured with IP SLA to check the availability of the server behind R6 but it kept failing. Which configuration resolves the issue?

R6(config)# ip sla responder

R6(config)# ip sla responder udp-echo ip address 10.10.10.1 port 5000

R6(config)# ip access-list extended DDOS

R6(config ext-nac)# 5 permit icmp host 10.66 66.66 host 10.10.10.1

R6(config)# ip access-list extended DDOS

R6(confg ext-nac)# 5 permit icmp host 10.10.10.1 host 10.66.66.66

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Question # 23

What is LDP label binding?

neighboring router with label

source prefix with label

destination prefix with label

two routers with label distribution session

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Question # 24

An engineer configured routing between multiple OSPF domains and introduced a routing loop that caused network instability. Which action resolves the problem?

Set a tag using the redistribute command toward a domain and deny inbound m the other domain by a matching tag

Set a tag using the redistribute command toward a different domain and deny the matching tag when exiting from that domain

Set a tag using the network command in a domain and use the route-map command to deny the matching lag when exiting toward a different domain

Set a tag using the network command in a domain and use the route-map command to deny the matching tag when entering into a different domain

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300-410 Exam Dumps - Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI)

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