Drag and drop each ERSPAN version on the left to its correct header format description on the right.
Drag a concept onto its matching description — or click a concept then click the description.
4-byte GRE header with 4-byte session ID
4-byte GRE header with 8-byte ERSPAN header
4-byte GRE header with 12-byte ERSPAN header
Indicates ERSPAN encapsulated packet
Optionally included in ERSPAN Type II/III
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 I: 4-byte GRE header with 4-byte session ID
ERSPAN Type I uses a 4-byte GRE header with 4-byte session ID; ERSPAN Type II uses a 4-byte GRE header with an 8-byte ERSPAN header; ERSPAN Type III uses a 4-byte GRE header with a 12-byte ERSPAN header.
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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.