Display Filter Reference: Generic Routing Encapsulation
Protocol field name: gre
Versions: 1.0.0 to 3.4.5
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| Field name | Description | Type | Versions |
|---|---|---|---|
| gre.3ggp2_di | Duration Indicator | Boolean | 1.0.0 to 3.2.13 |
| gre.3ggp2_fci | Flow Control Indicator | Boolean | 1.0.0 to 3.2.13 |
| gre.3ggp2_sdi | SDI/DOS | Boolean | 1.0.0 to 3.2.13 |
| gre.3gpp2_attrib | 3GPP2 Attributes | Label | 3.4.0 to 3.4.5 |
| gre.3gpp2_attrib_id | Type | Unsigned integer, 1 byte | 3.4.0 to 3.4.5 |
| gre.3gpp2_attrib_length | Length | Unsigned integer, 1 byte | 3.4.0 to 3.4.5 |
| gre.3gpp2_di | Duration Indicator | Boolean | 3.4.0 to 3.4.5 |
| gre.3gpp2_fci | Flow Control Indicator | Boolean | 3.4.0 to 3.4.5 |
| gre.3gpp2_sdi | SDI/DOS | Boolean | 3.4.0 to 3.4.5 |
| gre.ack_number | Acknowledgment Number | Unsigned integer, 4 bytes | 1.6.0 to 3.4.5 |
| gre.checksum | Checksum | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.checksum.incorrect | Incorrect GRE Checksum | Label | 1.12.0 to 3.4.5 |
| gre.checksum.status | Checksum Status | Unsigned integer, 1 byte | 2.4.0 to 3.4.5 |
| gre.flags.ack | Acknowledgment | Boolean | 1.6.0 to 3.4.5 |
| gre.flags.checksum | Checksum Bit | Boolean | 1.6.0 to 3.4.5 |
| gre.flags.key | Key Bit | Boolean | 1.6.0 to 3.4.5 |
| gre.flags.recursion_control | Recursion control | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.flags.reserved | Flags (Reserved) | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.flags.routing | Routing Bit | Boolean | 1.6.0 to 3.4.5 |
| gre.flags.sequence_number | Sequence Number Bit | Boolean | 1.6.0 to 3.4.5 |
| gre.flags.strict_source_route | Strict Source Route Bit | Boolean | 1.6.0 to 3.4.5 |
| gre.flags.version | Version | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.flags_and_version | Flags and Version | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.ggp2_3ggp2_seg | Type | Unsigned integer, 2 bytes | 1.0.0 to 3.2.13 |
| gre.ggp2_3gpp2_seg | Type | Unsigned integer, 2 bytes | 3.4.0 to 3.4.5 |
| gre.ggp2_attrib | 3GGP2 Attributes | Label | 1.6.0 to 3.2.13 |
| gre.ggp2_attrib_id | Type | Unsigned integer, 1 byte | 1.0.0 to 3.2.13 |
| gre.ggp2_attrib_length | Length | Unsigned integer, 1 byte | 1.0.0 to 3.2.13 |
| gre.ggp2_flow_disc | Flow ID | Sequence of bytes | 1.0.0 to 3.4.5 |
| gre.key | Key | Unsigned integer, 4 bytes | 1.0.0 to 3.4.5 |
| gre.key.call_id | Call ID | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.key.payload_length | Payload Length | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.offset | Offset | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.proto | Protocol Type | Unsigned integer, 2 bytes | 1.0.0 to 3.4.5 |
| gre.routing | Routing | Label | 1.6.0 to 3.4.5 |
| gre.routing.address_family | Address Family | Unsigned integer, 2 bytes | 1.6.0 to 3.4.5 |
| gre.routing.information | Routing Information | Sequence of bytes | 1.6.0 to 3.4.5 |
| gre.routing.src_length | SRE Length | Unsigned integer, 1 byte | 1.6.0 to 3.4.5 |
| gre.routing.sre_offset | SRE Offset | Unsigned integer, 1 byte | 1.6.0 to 3.4.5 |
| gre.sequence_number | Sequence Number | Unsigned integer, 4 bytes | 1.6.0 to 3.4.5 |
| gre.wccp.alternative_bucket | Alternative Bucket | Unsigned integer, 1 byte | 1.6.0 to 3.4.5 |
| gre.wccp.alternative_bucket_used | Alternative bucket used | Boolean | 1.6.0 to 3.4.5 |
| gre.wccp.dynamic_service | Dynamic Service | Boolean | 1.6.0 to 3.4.5 |
| gre.wccp.primary_bucket | Primary Bucket | Unsigned integer, 1 byte | 1.6.0 to 3.4.5 |
| gre.wccp.redirect_header | Redirect Header | Label | 1.6.0 to 3.4.5 |
| gre.wccp.redirect_header_valid | WCCP Redirect header is valid | Boolean | 1.12.0 to 3.4.5 |
| gre.wccp.service_id | Service ID | Unsigned integer, 1 byte | 1.6.0 to 3.4.5 |
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