Tunnel mode

nouncandidate·updated May 9, 2026

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Used to protect traffic between different networks when traffic must travel through intermediate or untrusted networks. Tunnel mode encapsulates the entire IP packet with and AH or ESP header and an additional IP header.

MWE

Classifications

per-axis with provenance

Entity Type

Network95%rule-basedr:entity.network.gear.v1

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

3 surface forms

plural: Tunnel modes
possessive: Tunnel mode's
pluralpossessive: Tunnel modes'

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