IWIC(4) BSD Kernel Interfaces Manual IWIC(4)NAME
iwic -- isdn4bsd Winbond ISDN Chip device driver
SYNOPSIS
iwic* at pci?
DESCRIPTION
The iwic driver provides D-channel layer 1 support as specified in ITU Recommendation I.430 and layer 1 support for the B-channel.
The driver supports passive PCI ISDN cards from various manufacturers based on the Winbond W6692 chip.
SUPPORTED CARDS
ASUSCOM P-IN100-ST-D
Dynalink IS64PPH
SEE ALSO isdnd(8)STANDARDS
CCITT Recommendation I.430
AUTHORS
The iwic driver was written by Dave Boyce <dave@abyss.demon.co.uk>.
This manpage was written by Hellmuth Michaelis <hm@freebsd.org>.
CAVEATS
The driver is still in a somewhat experimental state.
BUGS
Layer 1 persistent deactivation not yet implemented.
BSD September 25, 2002 BSD
Check Out this Related Man Page
IPPP(4) BSD Kernel Interfaces Manual IPPP(4)NAME
ippp -- ISDN synchronous PPP network driver
SYNOPSIS
pseudo-device ippp count
DESCRIPTION
The ippp driver interfaces the IP subsystem of the operating system with the ISDN layer so that a transport of IP packets over an ISDN link
is possible.
For configuration of the ippp driver, either the ipppctl(8) utility is used or it is configured via isdnd(8) and its associated isdnd.rc(5)
file.
In case an IP packet for a remote side arrives in the driver and no connection is established yet, the driver communicates with the isdnd(8)
daemon to establish a connection.
The driver has support for interfacing to the bpf(4) subsystem for using tcpdump(8) with the ippp interfaces.
The ipppctl(8) utility is used to configure all aspects of PPP required to connect to a remote site.
LINK0 and LINK1
The link0 and link1 flags given as parameters to ifconfig(8) have the following meaning for the ippp devices:
link0 Wait passively for connection. The administrative Open event to the Link Control Protocol (LCP) layer will be delayed until after the
lower layers signal an Up event (rise of ``carrier''). This can be used by lower layers to support a dial-in connection where the
physical layer isn't available immediately at startup, but only after some external event arrives. Receipt of a Down event from the
lower layer will not take the interface completely down in this case.
link1 Dial-on-demand mode. The administrative Open event to the LCP layer will be delayed until either an outbound network packet arrives,
or until the lower layer signals an Up event, indicating an inbound connection. As with passive mode, receipt of a Down event (loss
of carrier) will not automatically take the interface down, thus it remains available for further connections.
The link0 flag is set to off by default, the link1 flag to on.
SEE ALSO bpf(4), isdnd.rc(5), ipppctl(8), isdnd(8), tcpdump(8)AUTHORS
The ippp device driver was written by Joerg Wunsch <joerg@freebsd.org> and then added to ISDN4BSD by Gary Jennejohn <gary@freebsd.org>.
This man page was written by Hellmuth Michaelis <hm@kts.org>.
BSD August 31, 2000 BSD
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