Nokia Network Routing Specialist II (NRS II) 4A0-114 Question # 1 Topic 1 Discussion
4A0-114 Exam Topic 1 Question 1 Discussion:
Question #: 1
Topic #: 1
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Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions. Which of the following configurations is required on router A so that router B can exchange traffic with router D?
Routers are part of different ASes: Router A and Router B are in AS 65540, Router D is in AS 65550, and Router E is in AS 65560.
To allow Router B to exchange traffic with Router D, proper iBGP (internal BGP) configuration is required within AS 65540.
Configuration Requirements:
The configuration on Router A should include:
Enabling IPv6 family for BGP.
Setting the next-hop-self to ensure that the BGP next-hop is reachable.
Specifying the type as internal to denote an iBGP session.
Configuring the neighbor as Router B's IPv6 address.
Analyzing Options:
Option A: Missing the type internal configuration.
Option B: Missing the family ipv6 configuration.
Option C: Missing both next-hop-self and type internal configurations.
Option D: Correctly includes all necessary commands:
family ipv6
next-hop-self
type internal
neighbor 2001:DB8:2::2
Conclusion:
Option D provides a complete configuration for Router A to enable traffic exchange between Router B and Router D using iBGP with IPv6.
References
Nokia Border Gateway Protocol (BGP) Fundamentals documentation
Best practices for iBGP and eBGP configurations
IPv6 addressing and BGP configurations in multi-AS environments
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