Drag and drop each ERSPAN version on the left to its correct header format on the right.
Drag a concept onto its matching description — or click a concept then click the description.
GRE header with 6-byte header containing session ID.
GRE header with 8-byte header containing session ID and timestamp.
4-byte field identifying the ERSPAN session.
4-byte field providing precise packet arrival time.
4-byte field used for packet ordering and deduplication.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
ERSPAN Type II (v1): GRE header with 6-byte header containing session ID.
ERSPAN Type II (v1) uses a 6-byte GRE header with a 4-byte session ID; ERSPAN Type III (v2) uses an 8-byte GRE header with a 4-byte session ID and a 4-byte timestamp/index.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.