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1.1 ! root 1: .\" Copyright (c) 1983 The Regents of the University of California. ! 2: .\" All rights reserved. ! 3: .\" ! 4: .\" Redistribution and use in source and binary forms are permitted provided ! 5: .\" that: (1) source distributions retain this entire copyright notice and ! 6: .\" comment, and (2) distributions including binaries display the following ! 7: .\" acknowledgement: ``This product includes software developed by the ! 8: .\" University of California, Berkeley and its contributors'' in the ! 9: .\" documentation or other materials provided with the distribution and in ! 10: .\" all advertising materials mentioning features or use of this software. ! 11: .\" Neither the name of the University nor the names of its contributors may ! 12: .\" be used to endorse or promote products derived from this software without ! 13: .\" specific prior written permission. ! 14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED ! 15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF ! 16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 17: .\" ! 18: .\" @(#)qe.4 6.3 (Berkeley) 6/23/90 ! 19: .\" ! 20: .TH QE 4 "June 23, 1990" ! 21: .UC 6 ! 22: .SH NAME ! 23: qe \- DEC DEQNA Q-bus 10 Mb/s Ethernet interface ! 24: .SH SYNOPSIS ! 25: .B "device qe0 at uba? csr 174440 vector qeintr" ! 26: .SH DESCRIPTION ! 27: The ! 28: .B qe ! 29: interface provides access to a 10 Mb/s Ethernet network through ! 30: the DEC DEQNA Q-bus controller. ! 31: .PP ! 32: Each of the host's network addresses ! 33: is specified at boot time with an SIOCSIFADDR ! 34: ioctl. The ! 35: .B qe ! 36: interface employs the address resolution protocol described in ! 37: arp(4) ! 38: to map dynamically between Internet and Ethernet addresses on the local ! 39: network. ! 40: .PP ! 41: The interface normally tries to use a ``trailer'' encapsulation ! 42: to minimize copying data on input and output. ! 43: The use of trailers is negotiated with ARP. ! 44: This negotiation may be disabled, on a per-interface basis, ! 45: by setting the IFF_NOTRAILERS ! 46: flag with an SIOCSIFFLAGS ioctl. ! 47: .SH "SEE ALSO" ! 48: netintro(4), inet(4), arp(4)
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