2.2.2.4 TLV 4
The following are the constituents of TLV 4 of the WSHA SoH packet (section 2.2.2). All of the values MUST be present, unless otherwise noted. The values MUST be in this order. The M and R bits are defined in the Protocol Bindings for SoH[TNC-IF-TNCCSPBSoH] and are ignored by the WSHV upon receipt. All TLV 4 values are sent in network-byte order, which is big-endian.
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2 |
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3 |
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M |
R |
TLV_Type |
Length |
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Firewall_HealthClassID |
M (1 bit): The M bit MUST be set to zero.
R (1 bit): The R bit is reserved, and MUST be set to zero when sent and ignored on receipt.
TLV_Type (14 bits): A 14-bit unsigned integer that MUST be set to 8.
Length (2 bytes): A 16-bit unsigned integer in network-byte order that MUST indicate the length (1), in bytes, of the Firewall_HealthClassID field.
Firewall_HealthClassID (1 byte): An 8-bit unsigned integer, as specified in section 2.2.7.