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ng_atmllc.4freebsd

Langue: en

Version: 300871 (debian - 07/07/09)

Section: 4 (Pilotes et protocoles réseau)


BSD mandoc

NAME

ng_atmllc - ATM LLC netgraph node type

SYNOPSIS

In netgraph/ng_atmllc.h

DESCRIPTION

The atmllc node type translates frames in to and out of ATM LLC encapsulation, as specified by RFC 1483. In LLC encapsulation the protocol of a given protocol data unit (PDU) is specified by an IEEE 802.2 LLC header, possibly followed by an IEEE 802.1a SubNetwork Attachment Point (SNAP) header. This node currently handles the Ethernet and FDDI protocols.

The node transmits and receives ATM PDUs on the atm hook. Received PDUs are decoded and forwarded to the ether or fddi hooks as appropriate. Data received on the ether or fddi hooks are assumed to be full Ethernet or FDDI packets as appropriate and are encapsulated into a PDU and transmitted via the atm hook.

HOOKS

This node type supports the following hooks:
atm
ATM connection. Typically, this hook would be connected to a ng_atm4 node, which handles transmission of ATM PDUs over an ATM device.
ether
Ethernet connection. This hook sends and receives Ethernet frames. This would normally be connected to an ng_eiface4 node if in use.
fddi
FDDI connection. This hook sends and receives FDDI frames.

CONTROL MESSAGES

This node type supports the generic control messages.

SHUTDOWN

This node shuts down upon receipt of a NGM_SHUTDOWN control message, or when all hooks have been disconnected.

SEE ALSO

netgraph(4), ng_atm4, ng_eiface4, ngctl(8)
J. Heinanen "Multiprotocol Encapsulation over ATM Adaptation Layer 5" RFC 1483

AUTHORS

An Benno Rice Aq benno@FreeBSD.org
L'avantage du fromage sur les américains,
c'est qu'il y a une culture dedans.
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