CCIE Service Provider (legacy) — Question 18

Which two BGP mechanisms solve the BGP full-mesh paradigm? (Choose two.)

Answer options

• A. BGP link state
• B. MPLS VPN
• C. route reflectors
• D. hierarchical VPLS
• E. confederation
• F. route policy filtering
• G. community SOO

Correct answer: C, E

Explanation

Route reflectors (C) and confederation (E) are both BGP techniques designed to reduce the number of peer connections required in a full-mesh topology. The other options, while relevant to BGP, do not specifically address the challenge of the full-mesh requirement.