if_idt man page on FreeBSD

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IDT(4)			 BSD Kernel Interfaces Manual			IDT(4)

     idt — device driver for IDT NICStAR-based ATM interfaces

     device idt
     device atm

     The idt device driver supports ATM network interfaces based on the IDT
     NICStAR 77211 controller, including the FORE Systems ForeRunner LE25 and
     LE155.  For configuring the card for IP see natmip(4).

     ATM CBR connections are supported, and bandwidth is allocated in slots of
     64k each.	Three VBR queues handle traffic for VBR and UBR.  Two UBR
     queues prioritize UBR traffic.  ILMI and signalling get the higher prior‐
     ity queue, as well as UBR traffic that specifies a peak cell rate.	 All
     other UBR traffic goes into the lower queue.

     The following sysctls are recognized by the driver:

	     Print statistics about buffer use to the system log periodically.

	     Print information about VC opens, closes, and other events to the
	     system log.

	     Set or print the maximum size of the 2KB buffer queue.

	     Set or print the maximum size of the mbuf queue.

	     Print the current size of the 2KB buffer queue.

	     Print the current size of the mbuf queue.

	     Optimize the TX queue buffer for lowest overhead.

     natm(4), natmip(4), ifconfig(8), route(8)

     Richard Hodges, based on the original driver for FreeBSD 2.2 by Mark
     Tinguely.	Bruce M. Simpson wrote this manual page and backported the
     driver to FreeBSD 4.9.

BSD				 June 3, 2003				   BSD

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