2 .\" This man page is Copyright (C) 1999 Matthew Wilcox <willy@bofh.ai>.
3 .\" Permission is granted to distribute possibly modified copies
4 .\" of this page provided the header is included verbatim,
5 .\" and in case of nontrivial modification author and date
6 .\" of the modification is added to the header.
7 .\" Modified June 1999 Andi Kleen
8 .\" $Id: arp.7,v 1.9 2001/03/12 08:45:27 nakano Exp $
10 .\" Japanese Version Copyright (c) 1999-2001 NAKANO Takeo all rights reserved.
11 .\" Translated 1999-12-06, NAKANO Takeo <nakano@apm.seikei.ac.jp>
12 .\" Updated & Modified 2001-02-16, NAKANO Takeo
13 .\" Updated 2008-12-26, Akihiro MOTOKI, LDP v3.14
15 .\"WORD permanent Êݸ
16 .\"WORD neighbor cache entry ¶á˵¥¥ã¥Ã¥·¥å¥¨¥ó¥È¥ê
17 .\"WORD stale ¸Å¤¯¤Ê¤Ã¤¿
18 .\"WORD proxy arp ÂåÍý arp
19 .\"WORD garbage collect (-or) ¥¬¥Ù¡¼¥¸¡¦¥³¥ì¥¯¥È(¥³¥ì¥¯¥¿)
20 .\"WORD capability ¸¢¸Â
21 .\"WORD neighbor soliciation message ¶á˵Í×ÀÁ¥á¥Ã¥»¡¼¥¸
22 .\"WORD network flooding ¥Í¥Ã¥È¥ï¡¼¥¯¡¦¥Õ¥é¥Ã¥Ç¥£¥ó¥°
23 .\"WORD thrashing ¥¹¥é¥Ã¥·¥ó¥°
24 .\"WORD connection oriented Àܳ»Ø¸þ
25 .\"WORD forward progress ¥Õ¥©¥ï¡¼¥É¥×¥í¥°¥ì¥¹
27 .TH ARP 7 2008-11-25 "Linux" "Linux Programmer's Manual"
29 arp \- Linux ARP ¥«¡¼¥Í¥ë¥â¥¸¥å¡¼¥ë
31 ¤³¤Î¥«¡¼¥Í¥ë¥×¥í¥È¥³¥ë¥â¥¸¥å¡¼¥ë¤Ï¡¢
32 RFC\ 826 ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë Address Resolution Protocol ¤ò
33 ¼ÂÁõ¤·¤¿¤â¤Î¤Ç¤¢¤ë¡£ ARP ¤Ï¡¢¥À¥¤¥ì¥¯¥È¤ËÀܳ¤µ¤ì¤¿¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Ç¡¢
34 Âè 2 ÁؤΥϡ¼¥É¥¦¥§¥¢¥¢¥É¥ì¥¹¤òIPv4 ¥×¥í¥È¥³¥ë¥¢¥É¥ì¥¹¤Ë
35 ÊÑ´¹¤¹¤ë¤¿¤á¤ËÍѤ¤¤é¤ì¤ë¡£¥æ¡¼¥¶¡¼¤ÏÀßÄê¤Î¾ì¹ç¤ò½ü¤¤¤Æ
36 Ä̾ïľÀܤ³¤Î¥â¥¸¥å¡¼¥ë¤Ë´Ø¤ë¤³¤È¤Ï¤Ê¤¤¡£
37 ¤³¤ì¤Ï¥«¡¼¥Í¥ëÆâÉô¤Î¾¤Î¥×¥í¥È¥³¥ë¤Ë¥µ¡¼¥Ó¥¹¤òÄ󶡤¹¤ë¤â¤Î¤Ç¤¢¤ë¡£
41 ¥½¥±¥Ã¥È¤òÍѤ¤¤ì¤Ð ARP ¥Ñ¥±¥Ã¥È¤ò¼õ¿®¤¹¤ë¤³¤È¤¬¤Ç¤¤ë¡£
42 ARP ¥¥ã¥Ã¥·¥å¤ò¥æ¡¼¥¶¡¼¶õ´Ö¤Ç´ÉÍý¤¹¤ë¤³¤È¤â¤Ç¤¤ë¡£
45 ¤òÍѤ¤¤ë¡£ ARP ¥Æ¡¼¥Ö¥ë¤âÀ©¸æ²Äǽ¤Ç¡¢¤³¤ì¤Ë¤ÏǤ°Õ¤Î
51 ARP ¥â¥¸¥å¡¼¥ë¤Ï¥Ï¡¼¥É¥¦¥§¥¢¥¢¥É¥ì¥¹¤«¤é¥×¥í¥È¥³¥ë¥¢¥É¥ì¥¹¤Ø¤Î
52 ¥Þ¥Ã¥Ô¥ó¥°¤Î¥¥ã¥Ã¥·¥å¤ò´ÉÍý¤¹¤ë¡£¥¥ã¥Ã¥·¥å¤ÎÂ礤µ¤Ë¤ÏÀ©¸Â¤¬
53 ¤¢¤ë¤Î¤Ç¡¢¸Å¤¤¥¨¥ó¥È¥ê¤äÍøÍѤµ¤ì¤Ê¤¤¥¨¥ó¥È¥ê¤Ï¥¬¥Ù¡¼¥¸¥³¥ì¥¯¥È
54 ¤µ¤ì¤ë¡£ permanent (Êݸ) ¥Þ¡¼¥¯¤¬¤Ä¤±¤é¤ì¤¿¥¨¥ó¥È¥ê¤Ï¡¢
55 ·è¤·¤Æ¥¬¥Ù¡¼¥¸¥³¥ì¥¯¥¿¤Ë¤è¤Ã¤Æ¾Ãµî¤µ¤ì¤Ê¤¤¡£
56 ioctl ¤òÍѤ¤¤ì¤Ð¥¥ã¥Ã¥·¥å¤òľÀÜÁàºî¤¹¤ë¤³¤È¤â¤Ç¤¤ë¡£
59 ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë¤è¤ê¥¥ã¥Ã¥·¥å¤Î¿¶¤ëÉñ¤¤¤òÄ´À°¤Ç¤¤ë¡£
61 ¸ºß¤·¤Æ¤¤¤ë¥Þ¥Ã¥Ô¥ó¥°¤ËÂФ·¤Æ¡¢
62 Àµ¤Î¥Õ¥£¡¼¥É¥Ð¥Ã¥¯¤¬°ìÄê»þ´Ö¤Ê¤¤ (¸å½Ò¤Î
64 ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤ò¸«¤è) ¤È¡¢
65 ¶á˵¥¥ã¥Ã¥·¥å¥¨¥ó¥È¥ê (neighbor cache entry) ¤Ï
66 ¸Å¤¯¤Ê¤Ã¤¿ (stale) ¤È¤ß¤Ê¤µ¤ì¤ë¡£
67 Àµ¤Î¥Õ¥£¡¼¥É¥Ð¥Ã¥¯¤Ï¹â°Ì¤Î¥ì¥¤¥ä¡¼¤«¤é¤â¼èÆÀ¤Ç¤¤ë
68 (Î㤨¤Ð TCP ACK ¤¬À®¸ù¤·¤¿¾ì¹ç¤Ê¤É)¡£
73 ¥Õ¥é¥°¤òÍѤ¤¤ë¤³¤È¤Ë¤è¤Ã¤Æ¡¢
74 ¥Õ¥©¥ï¡¼¥É¥×¥í¥°¥ì¥¹ (forward progress) ¤ò¥·¥°¥Ê¥ë¤Ç¤¤ë¡£
75 ¥Õ¥©¥ï¡¼¥É¥×¥í¥°¥ì¥¹¤¬¤Ê¤±¤ì¤Ð¡¢
76 ARP ¤ÏºÆ¤Ó¥×¥í¡¼¥Ö¤ò»î¤ß¤ë¡£
77 ¤Þ¤º¥í¡¼¥«¥ë¤Ê arp ¥Ç¡¼¥â¥ó¤ËÌä¹ç¤ï¤»¤ò¹Ô¤¤¡¢
78 ¹¹¿·¤µ¤ì¤¿ MAC ¥¢¥É¥ì¥¹¤ò¼èÆÀ¤·¤è¤¦¤È¤¹¤ë¡£
81 ²ó¼ºÇÔ¤¹¤ë¤È¡¢¸Å¤¤ MAC ¥¢¥É¥ì¥¹¤¬¤ï¤«¤Ã¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢
84 ²óÁ÷¤é¤ì¤ë¡£¤³¤ì¤Ë¤â¼ºÇÔ¤¹¤ë¤È¡¢¿·¤·¤¤ ARP ¥ê¥¯¥¨¥¹¥È
85 ¤ò¥Í¥Ã¥È¥ï¡¼¥¯¤Ë¥Ö¥í¡¼¥É¥¥ã¥¹¥È¤¹¤ë¡£
86 ¥ê¥¯¥¨¥¹¥È¤Ï¡¢¥Ç¡¼¥¿¤¬Á÷¿®¥¥å¡¼¤Ë¤Ê¤±¤ì¤ÐÁ÷¤é¤ì¤Ê¤¤¡£
88 Linux ¤Ï¡¢¤¢¤ë¥¢¥É¥ì¥¹¤Ø¤Î¥ê¥¯¥¨¥¹¥È¤ò¼õ¿®¡¦¥Õ¥©¥ï¡¼¥É¤·¡¢
89 ¼õ¿®¤·¤¿¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤ÇÂåÍý arp ¤¬Í¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ë¾ì¹ç¤Ë¤Ï¡¢
90 ¼«Æ°Åª¤Ë¤½¤Î¥¢¥É¥ì¥¹¤ò nonpermanent ¤ÊÂåÍý arp ¥¨¥ó¥È¥ê¤ËÄɲ乤롣
91 ¤½¤Î¥¿¡¼¥²¥Ã¥È¤Ë reject route ¤¬¤¢¤Ã¤¿¾ì¹ç¤Ë¤Ï¡¢
92 ÂåÍý arp ¥¨¥ó¥È¥ê¤Ï°ìÀÚÄɲ䵤ì¤Ê¤¤¡£
96 ¥½¥±¥Ã¥È¤Ç¤Ï¡¢ 3 ¤Ä¤Î ioctl ¤¬»ÈÍѤǤ¤ë¡£
99 ¤Ø¤Î¥Ý¥¤¥ó¥¿¤ò°ú¿ô¤Ë¼è¤ë¡£
104 struct sockaddr arp_pa; /* protocol address */
105 struct sockaddr arp_ha; /* hardware address */
106 int arp_flags; /* flags */
107 struct sockaddr arp_netmask; /* netmask of protocol address */
113 .BR SIOCSARP ", " SIOCDARP ", " SIOCGARP
114 ¤Ï¡¢¤½¤ì¤¾¤ì ARP ¥Þ¥Ã¥Ô¥ó¥°¤òÀßÄꡦºï½ü¡¦¼èÆÀ¤¹¤ë¡£
115 ARP ¥Þ¥Ã¥×¤ÎÀßÄê¤Èºï½ü¤ÏÆø¢¤¬É¬ÍפÊÁàºî¤Ç¤¢¤ê¡¢
117 ¸¢¸Â¤ò»ý¤Ä¥×¥í¥»¥¹¤«¡¢¼Â¹Ô¥æ¡¼¥¶¡¼ ID ¤¬ 0 ¤Î¥×¥í¥»¥¹
118 ¤Ç¤Ê¤±¤ì¤Ð¼Â¹Ô¤Ç¤¤Ê¤¤¡£
123 ¥½¥±¥Ã¥È¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤º¡¢
127 ¤ÇÀßÄꤵ¤ì¤¿¥Ç¥Ð¥¤¥¹¤ÈƱ¤¸¥¿¥¤¥×¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
129 ¤Ï¥Ç¥Ð¥¤¥¹¤Î̾Á°¤ò¼¨¤¹¡¢¥¼¥í¤Ç½ªÃ¼¤µ¤ì¤¿Ê¸»úÎó¤Ç¤¢¤ë¡£
138 ATF_PERM:¥¨¥ó¥È¥ê¤ò peramanent ¤Ë¤¹¤ë
139 ATF_PUBL:¥¨¥ó¥È¥ê¤ò publish ¤¹¤ë
140 ATF_USETRAILERS:trailer ¤¬É¬Í×
141 ATF_NETMASK:netmask ¤òÍѤ¤¤ë
142 ATF_DONTPUB:²óÅú¤·¤Ê¤¤
148 ¥Õ¥é¥°¤¬¥»¥Ã¥È¤µ¤ì¤Æ¤¤¤ë¤È¤¤Ë¤Ï¡¢
150 ¤¬Í¸ú¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£
151 Linux 2.2 ¤ÏÂåÍý¥Í¥Ã¥È¥ï¡¼¥¯ ARP ¥¨¥ó¥È¥ê¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤¤Î¤Ç¡¢
152 ¤³¤ì¤Ï 0xffffffff ¤Ë¥»¥Ã¥È¤·¤Æ¤ª¤¯¤«¡¢¤¢¤ë¤¤¤Ï
153 ¸½Â¸¤ÎÂåÍý arp ¥¨¥ó¥È¥ê¤òºï½ü¤·¤¿¤¤¾ì¹ç¤Ë¤Ï 0 ¤Ë¤·¤Æ¤ª¤¯É¬Íפ¬¤¢¤ë¡£
155 ¤Ï obsolete ¤Ê¤Î¤Ç¡¢ÍѤ¤¤ë¤Ù¤¤Ç¤Ê¤¤¡£
156 .SS /proc ¥¤¥ó¥¿¥Õ¥§¡¼¥¹
157 ARP ¤Ç¤Ï¡¢¥°¥í¡¼¥Ð¥ë¤Ê¥Ñ¥é¥á¡¼¥¿¤ä¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤´¤È¤Î¥Ñ¥é¥á¡¼¥¿¤ò
159 ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤òÄ̤·¤ÆÀßÄꤹ¤ë¤³¤È¤¬¤Ç¤¤ë¡£
160 ¤³¤ì¤é¤Î¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ë¤Ï¡¢
161 .I proc/sys/net/ipv4/neigh/*/*
162 ¥Õ¥¡¥¤¥ë¤ÎÆɤ߽ñ¤¤Ë¤è¤ê¥¢¥¯¥»¥¹¤Ç¤¤ë¡£
163 ¥·¥¹¥Æ¥à¤Ë¤¢¤ë¤½¤ì¤¾¤ì¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤Ë¤Ï¡¢
164 ¤½¤ì¤¾¤ìÂбþ¤¹¤ë¥Ç¥£¥ì¥¯¥È¥ê¤¬
165 .I /proc/sys/net/ipv4/neigh/
167 "default" ¥Ç¥£¥ì¥¯¥È¥ê¤ËÂФ·¤ÆÀßÄê¤ò¤¹¤ë¤È¡¢
168 ¤½¤ì°Ê¹ßÀ¸À®¤µ¤ì¤ë¥Ç¥Ð¥¤¥¹Á´¤Æ¤ËÂФ·¤Æ¤½¤ÎÀßÄ꤬ÍѤ¤¤é¤ì¤ë¡£
169 Æä˻ØÄ꤬¤Ê¤±¤ì¤Ð¡¢»þ´Ö¤Ë´Ø¤ë sysctl ¤Îñ°Ì¤ÏÉäǤ¢¤ë¡£
171 .IR anycast_delay " (Linux 2.2 °Ê¹ß)"
172 .\" Precisely: 2.1.79
173 IPv6 ¤Î¶á˵Í×ÀÁ¥á¥Ã¥»¡¼¥¸ (neighbor soliciation message)
174 ¤Ë±þÅú¤¹¤ë¤Þ¤Ç¤ÎºÇÂçÃÙ±ä»þ´Ö (jiffy ñ°Ì)¡£
175 anycast ¤Î¥µ¥Ý¡¼¥È¤Ï¤Þ¤À¼ÂÁõ¤µ¤ì¤Æ¤¤¤Ê¤¤¡£
178 .IR app_solicit " (Linux 2.2 °Ê¹ß)"
179 .\" Precisely: 2.1.79
180 ¥æ¡¼¥¶¡¼¶õ´Ö¤Î ARP ¥Ç¡¼¥â¥ó¤Ë netlink ¤òÍѤ¤¤Æõº÷¤µ¤»¤ëºÇÂç²ó¿ô¡£
181 ¤³¤ì¤ò±Û¤¨¤ë¤È¥Þ¥ë¥Á¥¥ã¥¹¥È¤Ë¤è¤ëõº÷¤Ë°Ü¹Ô¤¹¤ë
185 .IR base_reachable_time " (Linux 2.2 °Ê¹ß)"
186 .\" Precisely: 2.1.79
187 ¶á˵¤Î¥Û¥¹¥È¤¬¤ß¤Ä¤«¤ë¤È¡¢¤½¤Î¥¨¥ó¥È¥ê¤Ï
188 .IR base_reachable_time "/2 ¤«¤é 3*" base_reachable_time /2
189 ¤Î´Ö¤Î¥é¥ó¥À¥à¤ÊÃͤλþ´Ö¡¢Í¸ú¤Ç¤¢¤ë¤È¤ß¤Ê¤µ¤ì¤ë¡£
190 ¥¨¥ó¥È¥ê¤Î͸úÀ¤Ï¡¢¹â°Ì¤Î¥×¥í¥È¥³¥ë¤«¤é¥Ý¥¸¥Æ¥£¥Ö¤Ê¥Õ¥£¡¼¥É¥Ð¥Ã¥¯¤ò
191 ¼õ¤±¼è¤ë¤È±äŤµ¤ì¤ë¡£¥Ç¥Õ¥©¥ë¥È¤Ï 30 Éá£
192 ¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¸½ºß¤ÏÈó¿ä¾©¤Ç¤¢¤ê¡¢Âå¤ï¤ê¤Ë
193 .I base_reachable_time_ms
196 .IR base_reachable_time_ms " (Linux 2.6.12 °Ê¹ß)"
197 .I base_reachable_time
198 ¤ÈƱ¤¸¤À¤¬¡¢»þ´Ö¤ò¥ß¥êÉÃñ°Ì¤Ç¬¤ë¡£
199 ¥Ç¥Õ¥©¥ë¥È¤Ï 30000 ¥ß¥êÉäǤ¢¤ë¡£
201 .IR delay_first_probe_time " (Linux 2.2 °Ê¹ß)"
202 .\" Precisely: 2.1.79
203 ¶á˵¥Û¥¹¥È¤Î¥¨¥ó¥È¥ê¤¬¸Å¤¯¤Ê¤Ã¤¿¤ÈȽÃǤµ¤ì¤¿¸å¤Ë
204 ºÇ½é¤Ëõº÷¤ò¹Ô¤¦¤Þ¤Ç¤ÎÃÙ±ä»þ´Ö¡£¥Ç¥Õ¥©¥ë¥È¤Ï 5 Éá£
206 .IR gc_interval " (Linux 2.2 °Ê¹ß)"
207 .\" Precisely: 2.1.79
208 ¥¬¥Ù¡¼¥¸¡¦¥³¥ì¥¯¥¿¤ò¶á˵¥Û¥¹¥È¥¨¥ó¥È¥ê¤ËÂФ·¤Æ¼Â¹Ô¤µ¤»¤ëÉÑÅÙ¡£
211 .IR gc_stale_time " (Linux 2.2 °Ê¹ß)"
212 .\" Precisely: 2.1.79
213 ¸Å¤¯¤Ê¤Ã¤¿¶á˵¥Û¥¹¥È¥¨¥ó¥È¥ê¤ËÂФ·¤Æ¥Á¥§¥Ã¥¯¤ò¹Ô¤¦ÉÑÅÙ¡£
214 ¶á˵¥Û¥¹¥È¥¨¥ó¥È¥ê¤¬¸Å¤¯¤Ê¤Ã¤¿¤È¤ß¤Ê¤µ¤ì¤ë¤È¡¢¤½¤Î¥¨¥ó¥È¥ê¤Ë
215 ¥Ç¡¼¥¿¤òÁ÷¤ëÁ°¤Ë¤ÏºÆÅÙ²ò·è¤¬¹Ô¤ï¤ì¤ë¡£
218 .IR gc_thresh1 " (Linux 2.2 °Ê¹ß)"
219 .\" Precisely: 2.1.79
220 ARP ¥¥ã¥Ã¥·¥å¤ËÊݸ¤¹¤ë¥¨¥ó¥È¥ê¿ô¤ÎºÇ¾®ÃÍ¡£
221 ¤³¤Î¿ô¤è¤ê¾¯¤Ê¤¤¥¨¥ó¥È¥ê¤·¤«¥¥ã¥Ã¥·¥å¤Ë¤Ê¤±¤ì¤Ð¡¢
222 ¥¬¥Ù¡¼¥¸¡¦¥³¥ì¥¯¥¿¤Ï¼Â¹Ô¤µ¤ì¤Ê¤¤¡£
225 .IR gc_thresh2 " (Linux 2.2 °Ê¹ß)"
226 .\" Precisely: 2.1.79
227 ARP ¥¥ã¥Ã¥·¥å¤ËÊݸ¤µ¤ì¤ë¥¨¥ó¥È¥ê¿ô¤Î¥½¥Õ¥È¤ÊºÇÂçÃÍ¡£
228 ¥¥ã¥Ã¥·¥å¤Î¥¨¥ó¥È¥ê¤¬¤³¤Î¿ô¤ò 5 Éôֱۤ¨¤Ä¤Å¤±¤ë¤È¡¢
229 ¥¬¥Ù¡¼¥¸¡¦¥³¥ì¥¯¥¿¤¬¼Â¹Ô¤µ¤ì¤ë¡£
232 .IR gc_thresh3 " (Linux 2.2 °Ê¹ß)"
233 .\" Precisely: 2.1.79
234 ARP ¥¥ã¥Ã¥·¥å¤ËÊݸ¤µ¤ì¤ë¥¨¥ó¥È¥ê¿ô¤Î¥Ï¡¼¥É¤ÊºÇÂçÃÍ¡£
235 ¥¥ã¥Ã¥·¥å¤Î¥¨¥ó¥È¥ê¤¬¤³¤Î¿ô¤ò±Û¤¨¤ë¤È¡¢
236 ¥¬¥Ù¡¼¥¸¡¦¥³¥ì¥¯¥¿¤Ï¤¿¤À¤Á¤Ë¼Â¹Ô¤µ¤ì¤ë¡£
239 .IR locktime " (Linux 2.2 °Ê¹ß)"
240 .\" Precisely: 2.1.79
241 ARP ¥¨¥ó¥È¥ê¤ò¥¥ã¥Ã¥·¥å¤ËÊݸ¤¹¤ë»þ´Ö¤ÎºÇ¾®ÃÍ (jiffy ñ°Ì)¡£
242 ²ÄǽÀ¤Î¤¢¤ë¥Þ¥Ã¥Ô¥ó¥°¤¬°ì¤Ä°Ê¾å¤¢¤ë (¤¿¤¤¤Æ¤¤¤Ï¥Í¥Ã¥È¥ï¡¼¥¯ÀßÄê¤Î¥ß¥¹)
243 ¾ì¹ç¤Ë¡¢ ARP ¥¥ã¥Ã¥·¥å¤Î¥¹¥é¥Ã¥·¥ó¥°¤¬µ¯¤¤ë¤³¤È¤òËɤ°¡£
246 .IR mcast_solicit " (Linux 2.2 °Ê¹ß)"
247 .\" Precisely: 2.1.79
248 ¥¨¥ó¥È¥ê¤ò unreachable ¥Þ¡¼¥¯¤¹¤ëÁ°¤Ë¡¢
249 ¥¢¥É¥ì¥¹¤ò¥Þ¥ë¥Á¥¥ã¥¹¥È/¥Ö¥í¡¼¥É¥¥ã¥¹¥È¤Ç²ò·è¤·¤è¤¦¤È¤¹¤ë
253 .IR proxy_delay " (Linux 2.2 °Ê¹ß)"
254 .\" Precisely: 2.1.79
255 ´ûÃΤÎÂåÍý ARP ¥¢¥É¥ì¥¹¤ËÂФ·¤Æ ARP ¥ê¥¯¥¨¥¹¥È¤ò¼õ¿®¤·¤¿¾ì¹ç¤Ë¡¢
258 jiffy ¤Þ¤ÇÃٱ䤹¤ë¡£¤³¤ì¤Ï¾ì¹ç¤Ë¤è¤Ã¤ÆÀ¸¤¸¤ë
259 ¥Í¥Ã¥È¥ï¡¼¥¯¡¦¥Õ¥é¥Ã¥Ç¥£¥ó¥° (network flooding) ¤òÈò¤±¤ë¤¿¤á¤ËÍѤ¤¤ë¡£
260 ¥Ç¥Õ¥©¥ë¥È¤Ï 0.8 Éá£
262 .IR proxy_qlen " (Linux 2.2 °Ê¹ß)"
263 .\" Precisely: 2.1.79
264 ÂåÍý ARP ¥¢¥É¥ì¥¹¤ËÂФ·¤Æ¥¥å¡¼¥¤¥ó¥°¤Ç¤¤ëºÇÂç¤Î¥Ñ¥±¥Ã¥È¿ô¡£
267 .IR retrans_time " (Linux 2.2 °Ê¹ß)"
268 .\" Precisely: 2.1.79
269 ¥ê¥¯¥¨¥¹¥È¤òºÆÅÙÁ÷¤ë¤Þ¤Ç¤ÎÃÙ±ä»þ´Ö (jiffy ñ°Ì)¡£
271 ¤³¤Î¥Õ¥¡¥¤¥ë¤Ï¸½ºß¤ÏÈó¿ä¾©¤Ç¤¢¤ê¡¢Âå¤ï¤ê¤Ë
275 .IR retrans_time_ms " (Linux 2.6.12 °Ê¹ß)"
276 ¥ê¥¯¥¨¥¹¥È¤òºÆÅÙÁ÷¤ë¤Þ¤Ç¤ÎÃÙ±ä»þ´Ö (¥ß¥êÉÃñ°Ì)¡£
277 ¥Ç¥Õ¥©¥ë¥È¤Ï 1000 ¥ß¥êÉá£
279 .IR ucast_solicit " (Linux 2.2 °Ê¹ß)"
280 .\" Precisely: 2.1.79
281 ARP ¥Ç¡¼¥â¥ó¤Ø¤ÎÌ䤤¹ç¤ï¤»¤ò¹Ô¤¦Á°¤Ë¹Ô¤¦ unicast õº÷¤ÎºÇÂç»î¹Ô¿ô
283 ¤ò¸«¤è)¡£¥Ç¥Õ¥©¥ë¥È¤Ï 3¡£
285 .IR unres_qlen " (Linux 2.2 °Ê¹ß)"
286 .\" Precisely: 2.1.79
287 ²ò·è¤µ¤ì¤Æ¤¤¤Ê¤¤¥¢¥É¥ì¥¹¤ËÂФ·¤Æ¡¢
288 ¾¤Î¥Í¥Ã¥È¥ï¡¼¥¯Áؤ«¤é¥¥å¡¼¥¤¥ó¥°¤Ç¤¤ëºÇÂç¥Ñ¥±¥Ã¥È¿ô¡£
295 ¥á¥ó¥Ð¡¼¤¬´Þ¤Þ¤ì¤ë¤è¤¦¤ËÊѹ¹¤¬¤¢¤Ã¤¿¡£¤Þ¤¿Æ±»þ¤Ë
296 ioctl ÈÖ¹æ¤âÊѹ¹¤µ¤ì¤¿¡£¸Å¤¤ ioctl ¤Ï
297 Linux 2.2 ¤ÇÍѤ¤¤ë¤³¤È¤¬¤Ç¤¤Ê¤¯¤Ê¤Ã¤¿¡£
299 ¥Í¥Ã¥È¥ï¡¼¥¯¤ËÂФ¹¤ëÂåÍý arp ¥¨¥ó¥È¥ê (netmask ¤¬ 0xffffffff ¤Ç¤Ê¤¤)
300 ¤Ï¡¢ Linux 2.2 ¤ÇÍѤ¤¤ë¤³¤È¤¬¤Ç¤¤Ê¤¯¤Ê¤Ã¤¿¡£
301 ¤³¤ì¤Ï¥«¡¼¥Í¥ë¤Ë¤è¤Ã¤ÆÀßÄꤵ¤ì¤ë¡¢Ê̤Υ¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤Ë¤ª¤±¤ë
302 Åþã²Äǽ¤Ê¤¹¤Ù¤Æ¤Î¥Û¥¹¥È¤ËÂФ¹¤ë¼«Æ°ÂåÍý arp ¤Ë¤è¤Ã¤ÆÃÖ¤´¹¤¨¤é¤ì¤¿
303 (¤½¤Î¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤Ç¥Õ¥©¥ï¡¼¥Ç¥£¥ó¥°¤ÈÂåÍý arp ¤¬Í¸ú¤Ë¤Ê¤Ã¤Æ¤¤¤ë¾ì¹ç)¡£
306 ¤Î³Æ¥¤¥ó¥¿¥Õ¥§¡¼¥¹¤Ï Linux 2.2 °ÊÁ°¤Ë¤Ï¸ºß¤·¤Ê¤¤¡£
308 ¤¤¤¯¤Ä¤«¤Î¥¿¥¤¥Þ¡¼ÀßÄê¤Ï jiffy ¤Ç»ØÄꤵ¤ì¤ë¤¬¡¢
309 jiffy ¤Ï¥¢¡¼¥¥Æ¥¯¥Á¥ã¤ä¥«¡¼¥Í¥ë¤Î¥Ð¡¼¥¸¥ç¥ó¤Ë°Í¸¤¹¤ë¡£
313 ¥æ¡¼¥¶¡¼¶õ´Ö¤«¤é¥Ý¥¸¥Æ¥£¥Ö¤Ê¥Õ¥£¡¼¥É¥Ð¥Ã¥¯¤òÁ÷¤ëÊýË¡¤¬Â¸ºß¤·¤Ê¤¤¡£
314 ¤Ä¤Þ¤êÀܳ»Ø¸þ (connection-oriented) ¤Î¥×¥í¥È¥³¥ë¤ò¥æ¡¼¥¶¡¼¶õ´Ö¤Ç
315 ¼ÂÁõ¤¹¤ë¤È¡¢Í¾·×¤Ê ARP ¥È¥é¥Õ¥£¥Ã¥¯¤Î¸¶°ø¤È¤Ê¤ë¡£
316 ¤Ê¤¼¤Ê¤é ndisc ¤ÏÄê´üŪ¤Ë MAC ¥¢¥É¥ì¥¹¤òºÆõº÷¤¹¤ë¤«¤é¤Ç¤¢¤ë¡£
317 ƱÍͤÎÌäÂê¤Ï¤¤¤¯¤Ä¤«¤Î¥«¡¼¥Í¥ë¥×¥í¥È¥³¥ë (NFS over UDP ¤Ê¤É) ¤Ë¤â¸ºß¤¹¤ë¡£
319 ¤³¤Î man ¥Ú¡¼¥¸¤Ç¤Ï IPv4 ÆÃͤε¡Ç½¤È
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