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350-401 Practice Question: Given the following BGP configuration on a Cisco…
Given the following BGP configuration on a Cisco IOS-XE device:
router bgp 65001
bgp router-id 1.1.1.1
neighbor 10.0.0.2 remote-as 65002 neighbor 10.0.0.2 update-source Loopback0 neighbor 10.0.0.2 ebgp-multihop 2
!
interface Loopback0 ip address 1.1.1.1 255.255.255.255
!
interface GigabitEthernet0/0 ip address 10.0.0.1 255.255.255.252
What is the purpose of the 'ebgp-multihop 2' command?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It allows the BGP session to be established even if the neighbor is not directly connected, with a maximum of 2 hops.
EBGP multihop allows the BGP session to be established between non-directly connected peers. The number specifies the maximum TTL for the BGP packets. Here, TTL=2 allows one intermediate hop.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It allows the BGP session to be established even if the neighbor is not directly connected, with a maximum of 2 hops.
Why this is correct
Correct. EBGP multihop with value 2 allows the neighbor to be up to 2 hops away (TTL=2).
- ✗
It sets the BGP session to use two TCP connections for redundancy.
Why it's wrong here
Incorrect. EBGP multihop does not affect TCP connections; it only adjusts the TTL.
- ✗
It enables BGP to use two different paths to reach the neighbor.
Why it's wrong here
Incorrect. EBGP multihop does not enable multipath; it just allows non-directly connected peers.
- ✗
It is required because the neighbor is configured with a loopback interface as the update source.
Why it's wrong here
Incorrect. While using a loopback as update source often requires multihop, the command itself is not mandatory; it is needed only if the peer is not directly connected.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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