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Exam 300-410 topic 1 question 583 discussion

Actual exam question from Cisco's 300-410
Question #: 583
Topic #: 1
[All 300-410 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 HUB and SPOKE routers according to the topology to achieve these goals:

1. Configure mGRE neighborship by using physical interface IP addresses to provide end-to-end reachability. Verify all router’s tunnel interfaces accordingly.
2. Configure NHRP on HUB router as multipoint dynamic IP to NBMA mapping. SPOKE1 and SPOKE2 routers should be configured by using static NHS and multicast mapping for HUB. Use network-id 10 for NHRP. Verify NHRP neighborship between routers and verify results using ping from PC1 to PC2 and PC3 accordingly.

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Bombbear_W
Highly Voted 1 year, 1 month ago
Had this one in the exam. Topology was the same, but tasks were completely different! They asked to configure the following: 1. your own ISAKMP policy, by using: - AES-256 encryption (key: abc123) 2. A transform-set (forgot the name) 3. An ipsec profile (forgot the name) 4. Ensure Phase 2 Spoke to Hub communication. All IPs are preconfigured. (You can verify that by "show run int tun0") I passed it. All the best folks.
upvoted 9 times
Gesti
1 year ago
Bombbear_W. Besides this lab, what other labs did you have? Could you share them please?
upvoted 1 times
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dapardo
Highly Voted 11 months, 4 weeks ago
Hi Everyone, I presented my exam yestarday, it was a little bit challenging and there are new questions but I pass. I have this lab on my exam I would recommend to: I have similar requirements in my lab (its not exactly the same as the ones mentioned in this questions) so I would suggest to Do all the DMVPN labs suggested on examtopics (3 of them) for this exam, I can recall that one of the requirements was to put holdtime in 180 seconds and put some kind of delay, hard to tell. This one is easy in comparison with the other ones. Be sure about the key concepts regarding the DMVPN configuration (ipsec profile, isakmp policy, tunnel setup and their different modes, nhrp definition and confiiguration, association of the ipsec profile to the tunnel).
upvoted 5 times
mtopolovec
7 months, 1 week ago
hey, were there a lot of new questions ?
upvoted 1 times
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ASECG
Most Recent 6 months, 4 weeks ago
I encountered this on my exam same topology different TASK : Configure HUB and SPOKE routers according to the topology to achieve these goals: 1. Configure mGRE neighborship to provide end-to-end reachability between Hub and Spokes. 2. Configure NHRP authentication using password "C!$c0123". Use 180 sec hold time for NHRP members where NHS should maintain next hop client NBMA registration messages for 60 sec. Verify configurations with Ping from PC1 to PC2 and PC3. Anyone can provide their input.
upvoted 3 times
ASECG
6 months, 4 weeks ago
HUB Router (R0) Configuration conf t interface Tunnel0 ip address 10.0.0.254 255.255.255.0 ip nhrp authentication C!$c0123 ip nhrp map multicast dynamic ip nhrp holdtime 180 tunnel source Ethernet0/0 tunnel mode gre multipoint end wr SPOKE Router 1 (R1) Configuration conf t interface Tunnel0 ip address 10.0.0.1 255.255.255.0 ip nhrp authentication C!$c0123 ip nhrp map 10.0.0.254 192.x.x.x # Replace 192.x.x.x with the NBMA IP of R0 ip nhrp nhs 10.0.0.254 ip nhrp registration timeout 60 tunnel source Ethernet0/0 no tunnel destination tunnel mode gre multipoint end wr SPOKE Router 2 (R2) Configuration bash Copy code conf t interface Tunnel0 ip address 10.0.0.2 255.255.255.0 ip nhrp authentication C!$c0123 ip nhrp map 10.0.0.254 192.x.x.x # Replace 192.x.x.x with the NBMA IP of R0 ip nhrp nhs 10.0.0.254 ip nhrp registration timeout 60 tunnel source Ethernet0/0 no tunnel destination tunnel mode gre multipoint end wr
upvoted 3 times
Asta2001
2 months ago
There is no command: ip nhrp map 10.0.0.254
upvoted 1 times
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Telecommunications
6 months, 3 weeks ago
you forget: ip nhrp network-id 10
upvoted 2 times
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9488f42
7 months, 1 week ago
I am using GNS3 with a hub as WAN. I can not get tunnels established. tunnel interfaces are up/down. WHat am i missing?
upvoted 1 times
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leipeG
7 months, 4 weeks ago
The provided solution is nearly complete for setting up a lab (I used a physical hub as WAN). On the spoke routers (R1 and R2), you'll need to manually map the hub's tunnel IP (R0) to its physical WAN interface IP using the command: ip nhrp nhs 10.0.0.254 nbma 192.168.0.254. Without this, NHRP won't resolve the correct next-hop information, preventing the spokes from knowing how to reach the hub. #R0 (HUB) interface Tunnel0 ip address 10.0.0.254 255.255.255.0 ip nhrp map multicast dynamic ip nhrp network-id 10 tunnel source 192.168.0.254 tunnel mode gre multipoint no shut interface GigabitEthernet0/0 ip address 192.168.0.254 255.255.255.0 no shut
upvoted 3 times
leipeG
7 months, 2 weeks ago
Please use a Layer 2 switch (access-ports in the same VLAN) for the WAN connection, instead of a hub.
upvoted 2 times
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leipeG
7 months, 4 weeks ago
#R1 (Spoke 1) interface Tunnel0 ip address 10.0.0.1 255.255.255.0 ip nhrp network-id 10 ip nhrp nhs 10.0.0.254 nbma 192.168.0.254 tunnel source 192.168.0.1 tunnel mode gre multipoint no shut interface GigabitEthernet0/0 ip address 192.168.0.1 255.255.255.0 no shut
upvoted 1 times
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leipeG
7 months, 4 weeks ago
#R2 (Spoke 2) interface Tunnel0 ip address 10.0.0.2 255.255.255.0 ip nhrp network-id 10 ip nhrp nhs 10.0.0.254 nbma 192.168.0.254 tunnel source 192.168.0.2 tunnel mode gre multipoint no shut interface GigabitEthernet0/0 ip address 192.168.0.2 255.255.255.0 no shut show ip nhrp show dmvpn
upvoted 1 times
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cloud29
1 year, 1 month ago
What is a WAN here is there a rotuer r what?
upvoted 1 times
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