Display Filter Reference: IEEE 802.3 EPON Preamble

Protocol field name: epon

Versions: 1.12.0 to 3.2.1

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Field name Description Type Versions
epon.checksum Frame check sequence Unsigned integer, 1 byte 1.12.0 to 3.2.1
epon.checksum.status Frame check sequence Status Unsigned integer, 1 byte 2.4.0 to 3.2.1
epon.checksum_bad.expert Bad checksum Label 1.12.0 to 3.2.1
epon.dpoe.encrypted Encryption enabled Boolean 1.12.0 to 3.2.1
epon.dpoe.encrypted.data Encrypted data Sequence of bytes 1.12.0 to 3.2.1
epon.dpoe.encrypted.expert Bits 7-2 of DPoE security byte must be 010101 in 1G mode. Label 1.12.0 to 3.2.1
epon.dpoe.expert DPoE security byte must be 0x55 if encryption is disabled. Label 1.12.0 to 3.2.1
epon.dpoe.keyid Key ID Unsigned integer, 1 byte 1.12.0 to 3.2.1
epon.dpoe.reserved Reserved Unsigned integer, 1 byte 1.12.0 to 3.2.1
epon.dpoe.sec DPoE security Unsigned integer, 1 byte 1.12.0 to 3.2.1
epon.llid LLID Unsigned integer, 2 bytes 1.12.0 to 3.2.1
epon.mode Mode Boolean 1.12.0 to 3.2.1
epon.sld_bad.expert Unable to locate SLD or invalid byte sequence: preamble must start with 0xD555 Label 1.12.0 to 3.2.1
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