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ÖÆ×÷ÓÃÓÚ²¢¿ÚµÄ (laplink) ÏßÀ¡£
ʹÓà PLIP Á¬½ÓÁ½Ì¨¼ÆËã»ú¡£
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A-name | A ¶Ë | B ¶Ë | ÃèÊö | Post/Bit |
---|---|---|---|---|
DATA0 -ERROR |
2 15 |
15 2 |
Êý¾Ý |
0/0x01 1/0x08 |
DATA1 +SLCT |
3 13 |
13 3 |
Êý¾Ý |
0/0x02 1/0x10 |
DATA2 +PE |
4 12 |
12 4 |
Êý¾Ý |
0/0x04 1/0x20 |
DATA3 -ACK |
5 10 |
10 5 |
Âö³å (Strobe) |
0/0x08 1/0x40 |
DATA4 BUSY |
6 11 |
11 6 |
Êý¾Ý |
0/0x10 1/0x80 |
GND | 18-25 | 18-25 | GND | - |
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# grep lp /var/run/dmesg.boot lpt0: <Printer> on ppbus0 lpt0: Interrupt-driven port
¡¡¡¡²¢¿Ú±ØÐëÊÇÒ»¸öÖжÏÇý¶¯µÄ¶Ë¿Ú£¬ ÄúÓ¦ÔÚ /boot/device.hints ÎļþÖÐÅäÖãº
hint.ppc.0.at="isa" hint.ppc.0.irq="7"
¡¡¡¡È»ºó¼ì²éÄÚºËÅäÖÃÎļþÖÐÊÇ·ñÓÐÒ»ÐÐ device plip »ò¼ÓÔØÁË plip.ko ÄÚºËÄ£¿é¡£ ÕâÁ½ÖÖÇé¿öÏ£¬ ÔÚʹÓà ifconfig(8) ÃüÁîʱ¶¼»áÏÔʾ²¢¿Ú¶ÔÓ¦µÄÍøÂç½Ó¿Ú£¬ ÀàËÆÕâÑù£º
# ifconfig plip0 plip0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
¡¡¡¡Óà laplink Ïß½ÓͨÁ½Ì¨¼ÆËã»úµÄ²¢¿Ú¡£
¡¡¡¡ÔÚÁ½±ßÒÔ root Éí·ÝÅäÖÃͨѶ²ÎÊý¡£ ÀýÈ磬 Èç¹ûÄãÏ£Íû½« host1 ͨ¹ýÁíһ̨»úÆ÷ host2 Á¬½Ó£º
host1 <-----> host2 IP Address 10.0.0.1 10.0.0.2
¡¡¡¡ÅäÖà host1 ÉϵÄÍøÂç½Ó¿Ú£¬ÕÕ´Ë×ö£º
# ifconfig plip0 10.0.0.1 10.0.0.2
¡¡¡¡ÅäÖà host2 ÉϵÄÍøÂç½Ó¿Ú£¬ÕÕ´Ë×ö£º
# ifconfig plip0 10.0.0.2 10.0.0.1
¡¡¡¡ÄúÏÖÔÚÓ¦¸ÃÓиö¹¤×÷µÄÁ¬½ÓÁË¡£ÏëÒª¸üÏêϸµÄÐÅÏ¢£¬ ÇëÔĶÁ lp(4) ºÍ lpt(4) ÊÖ²áÒ³¡£
¡¡¡¡Äú»¹Ó¦¸ÃÔö¼ÓÁ½¸öÖ÷»úµ½ /etc/hosts£º
127.0.0.1 localhost.my.domain localhost 10.0.0.1 host1.my.domain host1 10.0.0.2 host2.my.domain host2
¡¡¡¡ÒªÈ·ÈÏÁ¬½ÓÊÇ·ñ¹¤×÷£¬¿ÉÒÔµ½Ã¿Ò»Ì¨»ú×ÓÉÏ£¬È»ºó ping ÁíÍâһ̨¡£ÀýÈ磬ÔÚ host1 ÉÏ£º
# ifconfig plip0 plip0: flags=8851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST> mtu 1500 inet 10.0.0.1 --> 10.0.0.2 netmask 0xff000000 # netstat -r Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire host2 host1 UH 0 0 plip0 # ping -c 4 host2 PING host2 (10.0.0.2): 56 data bytes 64 bytes from 10.0.0.2: icmp_seq=0 ttl=255 time=2.774 ms 64 bytes from 10.0.0.2: icmp_seq=1 ttl=255 time=2.530 ms 64 bytes from 10.0.0.2: icmp_seq=2 ttl=255 time=2.556 ms 64 bytes from 10.0.0.2: icmp_seq=3 ttl=255 time=2.714 ms --- host2 ping statistics --- 4 packets transmitted, 4 packets received, 0% packet loss round-trip min/avg/max/stddev = 2.530/2.643/2.774/0.103 ms
±¾ÎĵµºÍÆäËüÎĵµ¿É´ÓÕâÀïÏÂÔØ£ºftp://ftp.FreeBSD.org/pub/FreeBSD/doc/.
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