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Question 896

SIMULATION

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Guidelines

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This is a lab item in which tasks will be performed on virtual devices.

• Refer to the Tasks tab to view the tasks for this lab item.

• Refer to the Topology tab to access the device console(s) and perform the tasks.

• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.

• All necessary preconfigurations have been applied.

• Do not change the enable password or hostname for any device.

• Save your configurations to NVRAM before moving to the next item.

• Click Next at the bottom of the screen to submit this lab and move to the next question.

• When Next is clicked, the lab closes and cannot be reopened.

Topology

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Tasks

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Configure R2 according to the topology to achieve these results:

1. Configure eBGP using Loopback 0 for the router-id. Do not use the address-family command to accomplish this.

2. Advertise R2’s Loopback 100 and Loopback 200 networks to AS40 and AS60.

R2

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R1

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R3

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    Correct Answer:

Discussion
cloud29

As for me it should be like that on R2. interface Loopback0 ip address 2.2.2.2 255.255.255.255 ! interface Loopback100 ip address 10.100.100.1 255.255.255.0 ! interface Loopback200 ip address 10.200.200.1 255.255.255.0 ! router bgp 50 bgp router-id 2.2.2.2 bgp log-neighbor-changes network 10.100.100.0 mask 255.255.255.0 network 10.200.200.0 mask 255.255.255.0 neighbor 209.165.200.225 remote-as 40 neighbor 209.165.200.229 remote-as 60

Mizuchan

How I think it should be:[ To check current configuration: Sh run Sh ip int brief On R2: router bgp 50 bgp router-id 10.2.2.2 neighbor 209.165.200.225 remote-as 40 neighbor 209.165.200.229 remote-as 60 router bgp 50 network 209.165.201 11 mask 255.255.255.255 network 209.165.201 12 mask 255.255.255.255 To verify: Show ip bgp sum On R2: Copy running-config startup-config Not sure why in the resolution they used those neighbor IP addresses...

Mizuchan

Sh run Sh ip int brief On R2: router bgp 50 bgp router-id 10.2.2.2 neighbor 209.165.200.225 remote-as 40 neighbor 209.165.200.229 remote-as 60 router bgp 50 network 209.165.201.11 mask 255.255.255.255 network 209.165.201.12 mask 255.255.255.255 To verify: Show ip bgp sum Also can sh ip route on R1 and R3 to check if the loopbacks were learned. On R2: Copy running-config startup-config

Swiz005

I took and passed the exam today. this lap came out

Claudiu1

another suggestion from me: wouldn't it make more sense to use "bgp router-id interface Loopback0" since the first requirement is "Configure eBGP using Loopback 0 for the router-id"?

hellrider69

but the question stated that router id should be set without the address family cmd so i think bgp router id command is wrong.... anyway bgp router id will be the highest loopback on the router

awsguruking

R3#show ip bgp BGP table version is 24, local router ID is 10.30.30.3 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal, r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter, x best-external, a additional-path, c RIB-compressed, Origin codes: i - IGP, e - EGP, ? - incomplete RPKI validation codes: V valid, I invalid, N Not found Network Next Hop Metric LocPrf Weight Path * 209.165.201.11/32 209.165.202.130 0 40 50 i *> 209.165.200.230 0 0 50 i * 209.165.201.12/32 209.165.202.130 0 40 50 i *> 209.165.200.230 0 0 50 i

kivi_bg

just a suggestion - why don't we just use redistribute connected?