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the detail of 5g ngap & rrc info

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hi The two pictures attached here are screenshots of my packet. I would like to ask why the two parts in the circle: enable and required, the words connected after it are "(0)" instead of (1)? thank of your help. image description

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eason
asked 2021-12-17 06:31:06 +0000
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This is just the way they are defined in the ASN1. I didn't look up the first one, but for the 2nd one (defined in 38.331 - RRC), the optional field has only one value in the enumeration. I think disabled is just indicated by the absence of the field.

integrityProtection ENUMERATED { enabled } OPTIONAL, -- Cond ConnectedTo5GC1

MartinM's avatar
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MartinM
answered 2021-12-18 10:22:25 +0000, updated 2021-12-18 10:23:06 +0000
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