table of contents
| dnsjit.core.object.gre(3) | Library Functions Manual | dnsjit.core.object.gre(3) |
NAME¶
dnsjit.core.object.gre - Generic Routing Encapsulation (GRE) part of a packet
DESCRIPTION¶
The GRE part of a packet that usually can be found in the object chain after parsing with, for example, Layer filter. See RFC 1701.
Attributes¶
- gre_flags
- The GRE flags.
- ether_type
- The protocol type of the payload packet.
- checksum
- The checksum of the GRE header and the payload packet.
- key
- The Key field contains a four octet number which was inserted by the encapsulator.
- sequence
- The Sequence Number field contains an unsigned 32 bit integer which is inserted by the encapsulator.
Functions¶
- Gre:type()
- Return the textual type of the object.
- Gre:prev()
- Return the previous object.
- Gre:cast()
- Cast the object to the underlining object module and return it.
- Gre:uncast()
- Cast the object to the generic object module and return it.
- Gre:copy()
- Make a copy of the object and return it.
- Gre:free()
- Free the object, should only be used on copies or otherwise allocated.
SEE ALSO¶
AUTHORS and CONTRIBUTORS¶
Jerry Lundström (DNS-OARC), Tomáš Křížek (CZ.NIC), Petr Špaček (ISC)
Maintained by DNS-OARC
BUGS¶
For issues and feature requests please use:
For question and help please use:
admin@dns-oarc.net
| 1.3.0 | dnsjit |