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Exam 350-401 topic 1 question 896 discussion

Actual exam question from Cisco's 350-401
Question #: 896
Topic #: 1
[All 350-401 Questions]

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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Mizuchan
Highly Voted 10 months, 2 weeks ago
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...
upvoted 9 times
Mizuchan
10 months, 1 week ago
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
upvoted 4 times
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f9e40af
Most Recent 1 month ago
I got this question, but instead wanted you to setup the neighbors using the address-family command.
upvoted 1 times
Calinserban
1 month ago
hi, could you show how the commands should look like?
upvoted 1 times
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Swiz005
5 months ago
I took and passed the exam today. this lap came out
upvoted 4 times
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hellrider69
5 months, 3 weeks ago
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
upvoted 1 times
NetworkJanitor
1 month, 1 week ago
Cisco employee - Peter Paluch "if you enter the "no bgp default ipv4-unicast" command in the BGP configuration, you will prevent BGP from automatically assigning each newly defined neighbor into "address-family ipv4" section." I tested this, but no matter what, some portion of the config will show up under address-family (CML code 17.2)
upvoted 1 times
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cloud29
8 months, 3 weeks ago
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
upvoted 4 times
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awsguruking
9 months ago
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
upvoted 1 times
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Claudiu1
9 months, 1 week ago
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"?
upvoted 3 times
TacoGrande
3 days, 15 hours ago
R1(config-router)#bgp router-id ? A.B.C.D Manually configured router identifier vrf vrf-specific router id configuration R1(config-router)#bgp router-id
upvoted 1 times
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kivi_bg
10 months, 2 weeks ago
just a suggestion - why don't we just use redistribute connected?
upvoted 1 times
Steve122
4 months, 1 week ago
only Lo100 and Lo200 need to be redistributed (exclude Lo0)
upvoted 1 times
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