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Article #272

Re: ping on multicast address

#272
From: Katsuhiro Kondou
Date: Fri, 10 Mar 2000 00:00
22 lines
1799 bytes
In article <38C8A14F.8FB3B323@is.kochi-u.ac.jp>,
	Tokio Kikuchi <tkikuchi@is.kochi-u.ac.jp> wrote;

} > IGMP ใฎ Query ใ‚’ๅ—ใ‘ใ‚‰ใ‚Œใ‚‹ใ‚‚ใฎ
} 
} ใจใฏใ€ๅ…ทไฝ“็š„ใซใฏไฝ•ใ‚’ๆŒ‡ใ™ใฎใงใ—ใ‚‡ใ†๏ผŸ

ใ™ใฟใพใ›ใ‚“ใ€Query ใ˜ใ‚ƒใชใใฆ Report ใงใ—ใŸใญใ€‚

RFC1112 ใซๅ‚่€ƒใจใชใ‚‹่จ˜่ฟฐใŒใ‚ใ‚Šใพใ™ใŒใ€IGMP ใง
ใฏ 224.0.0.1 ใซๅฏพใ—ใฆใƒžใƒซใƒใ‚ญใƒฃใ‚นใƒˆใ‚ขใƒ‰ใƒฌใ‚นใง
ๅ—ใ‘ใ‚‰ใ‚Œใ‚‹ใƒˆใ‚ณใ‚ใ‚Šใพใ™๏ผŸใฃใฆใใใพใ™(Query)ใ€‚
ใใ‚Œใซๅฏพใ—ใฆใ€ใใ†ใ„ใ†ใƒˆใ‚ณใฏใใ‚ŒใŒๅฑžใ™ใ‚‹ใƒžใƒซใƒ
ใ‚ญใƒฃใ‚นใƒˆใ‚ขใƒ‰ใƒฌใ‚นๅฎ›ใฆใงๅฟœ็ญ”(Report)ใ™ใ‚‹ใจใ„ใ†ใ‚‚
ใฎใงใ™ใ€‚ใ“ใฎ Report ใ‚’ๅ—ใ‘ใ‚‹ใŸใ‚ใซใฏ class D
ใชใƒ‘ใ‚ฑใƒƒใƒˆใฏๅ…จ้ƒจๆ‹พใ†ๅฟ…่ฆใŒใ‚ใ‚‹ใ‚ใ‘ใงใ™ใ€‚ใใ†ใ„
ใ†ใƒˆใ‚ณใซๅฏพใ—ใฆใƒžใƒซใƒใ‚ญใƒฃใ‚นใƒˆใง ping ใ™ใ‚‹ใจใฉใฎ
ใƒžใƒซใƒใ‚ญใƒฃใ‚นใƒˆใ‚ขใƒ‰ใƒฌใ‚นๅฎ›ใฆใงใ‚‚็ญ”ใˆใฆใ—ใพใ†ใจใ„
ใ†ใ‚ซใƒฉใ‚ฏใƒชใ ใจๆ€ใ„ใพใ™ใ€‚
-- 
	่ฟ‘่—ค ้›„ๅ…ฌ
	kondou@nec.co.jp
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References: <38C86BC1.1E944C14@is.kochi-u.ac.jp> <8aa2le$2fl$1@inn.do.mms.mt.nec.co.jp> <38C8A14F.8FB3B323@is.kochi-u.ac.jp>

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From: Katsuhiro Kondou <kondou@mesh.ad.jp>
Subject: Re: ping on multicast address
Date: 2000/03/10
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