[B! Network] khikerã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

khiker id:khiker

Networkã«é–¢ã™ã‚‹khikerã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (49)

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ã‚ªãƒ¼ãƒˆãƒã‚´ã‚·ã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ ã‚ªãƒ¼ãƒˆãƒã‚´ã‚·ã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã¯ã€æŽ¥ç¶šã™ã‚‹ç›¸æ‰‹ã«ã‚ˆã£ã¦è‡ªåˆ†ã®é€šä¿¡é€Ÿåº¦ã‚„é€šä¿¡ãƒ¢ãƒ¼ãƒ‰ã‚’åˆ‡ã‚Šæ›¿ãˆã‚‹ã“ã¨ãŒå‡ºæ¥ã‚‹æ©Ÿèƒ½ã§ã™ã€‚ ä¾‹ãˆã°ç›¸æ‰‹ã®é€šä¿¡é€Ÿåº¦ãŒ10Mbpsã§é€šä¿¡ãƒ¢ãƒ¼ãƒ‰ãŒåŠäºŒé‡ã ã£ãŸå ´åˆã€è‡ªèº«ã®ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ã§ã‚‚10Mbpsã®åŠäºŒé‡ãƒ¢ãƒ¼ãƒ‰ã«åˆ‡ã‚Šæ›¿ãˆã¦ãã‚Œã¾ã™ã€‚ ã‚ªãƒ¼ãƒˆãƒã‚´ã‚·ã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ã®å‹•ä½œã®ä»•çµ„ã¿ ç›¸æ‰‹ã®é€šä¿¡ãƒ¢ãƒ¼ãƒ‰ã‚’èªè˜ã™ã‚‹ãŸã‚ã«ã‚ªãƒ¼ãƒˆãƒã‚´ã‚·ã‚¨ãƒ¼ã‚·ãƒ§ãƒ³æ©Ÿèƒ½ã‚’æŒã£ã¦ã„ã‚‹ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ãŒç‰©ç†çš„ã«æŽ¥ç¶šã•ã‚Œã‚‹ã¨ã€FLP(Fast Link Pulse)ãƒãƒ¼ã‚¹ãƒˆã¨å‘¼ã°ã‚Œã‚‹ãƒ‘ãƒ«ã‚¹ä¿¡å·ã‚’é€ä¿¡ã—ã¾ã™ã€‚ åŒæ§˜ãªä¿¡å·ã«NLP(Normal Link Pulse)ã¨å‘¼ã°ã‚Œã‚‹ä¿¡å·ã‚‚ã‚ã‚Šã¾ã™ã€‚ã“ã®ä¿¡å·ã¯10BaseTã§ã®ãƒªãƒ³ã‚¯ãŒæ£å¸¸ã«æ©Ÿèƒ½ã—ã¦ã„ã‚‹ã‹ã©ã†ã‹ã‚’ãƒã‚§ãƒƒã‚¯ã™ã‚‹ã ã‘ã®ä¿¡å·ã§ã€FLPã¯ã“ã®NLPã‚’æ‹¡å¼µã—ã‚ªãƒ¼ãƒˆãƒã‚´ã‚·ã‚¨ãƒ¼ã‚·ãƒ§ãƒ³ã‚’å‡¦ç†ã™ã‚‹ãŸã‚ã®æƒ…å ±ã‚’å«ã‚“ã§ã„ã¾ã™ã€‚å½“ç„¶NLPã¨ã®äº’æ›æ€§ã‚‚æŒã£ã¦ã„ã¾ã™ã€‚ F
khiker 2017/12/25
Network
ãƒªãƒ³ã‚¯
Linux: When to use scatter/gather IO (readv, writev) vs a large buffer with fread
In scatter and gather (i.e. readv and writev), Linux reads into multiple buffers and writes from multiple buffers. If say, I have a vector of 3 buffers, I can use readv, OR I can use a single buffer, which is of combined size of 3 buffers and do fread. Hence, I am confused: For which cases should scatter/gather be used and when should a single large buffer be used?
khiker 2017/06/12
iovec

Linux

Network
ãƒªãƒ³ã‚¯
http://techgurulive.com/how-to-monitor-and-be-informed-of-ip-address-changes-from-your-network/
khiker 2017/03/23
Network

ARP
ãƒªãƒ³ã‚¯
Amazon.co.jp: Ethernetã®ã—ãã¿ã¨ãƒ-ãƒ‰ã‚¦ã‚§ã‚¢è¨è¨ˆæŠ€æ³•: ãƒ—ãƒãƒˆã‚³ãƒ«ã®è©³ç´°ã‹ã‚‰ãƒãƒƒãƒˆãƒ¯-ã‚¯å¯¾å¿œæ©Ÿå™¨ã®ä½œæˆã¾ã§ (Tech I): ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ç·¨é›†éƒ¨: æœ¬
khiker 2017/01/17
Hardware

Network

Ethernet

Book
ãƒªãƒ³ã‚¯
JonathanFerguson/Quagga - Ubuntu Wiki
khiker 2017/01/16
Linux

Network

Quagga
ãƒªãƒ³ã‚¯
Quagga (http://www.quagga.net)
khiker 2017/01/13
Linux

Network

Routing
ãƒªãƒ³ã‚¯
ã‚³ãƒ”ãƒšã‹ã‚‰è„±å‡ºï¼iptablesã®ä»•çµ„ã¿ã‚’ç†è§£ã—ã¦ç’°å¢ƒã«åˆã‚ã›ãŸè¨å®šã‚’ã—ã‚ˆã†
Linuxã®ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ã€Œiptablesã€ã«ã¤ã„ã¦å…¥é–€ã‹ã‚‰å®Ÿè·µã¾ã§è§£èª¬ æ•°å›žã«åˆ†ã‘ã¦Linuxã®ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ã€Œiptablesï¼ˆã‚¢ã‚¤ãƒ”ãƒ¼ãƒ†ãƒ¼ãƒ–ãƒ«ã‚ºï¼‰ã€ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã€‚ ãƒãƒƒãƒˆä¸Šã«æœ‰ç›Šãªè¨å®šãŒæº¢ã‚Œã¦ã„ã‚‹ã®ã§ã€ã‚ã¾ã‚Šç†è§£ã—ãªã„ã¾ã¾ã‚³ãƒ”ãƒ¼ãƒšãƒ¼ã‚¹ãƒˆã§é‹ç”¨ã—ã¦ã„ã‚‹æ–¹ã‚‚å¤šã„ã¯ãšã€‚ ã—ã‹ã—ãã‚Œã§ã¯å®Ÿéš›ã«æ”»æ’ƒã•ã‚ŒãŸéš›ã«å¯¾å‡¦ã§ãã¾ã›ã‚“ã€‚ ãã“ã§ã“ã®ãƒšãƒ¼ã‚¸ã§ã¯ã€åˆã‚ã¦ãƒ•ã‚¡ã‚¤ã‚¢ãƒ¼ã‚¦ã‚©ãƒ¼ãƒ«ã«ã¤ã„ã¦å¦ã¶æ–¹ã§ã‚‚ç†è§£ã§ãã‚‹ã‚ˆã†ã«ã€å…¨ä½“åƒã¨ç´°ã‹ãªè¨å®šã®æ„å‘³ã«ã¤ã„ã¦è§£èª¬ã—ã¾ã™ã€‚ ç›®æ¬¡ ãƒ•ã‚¡ã‚¤ã‚¢ãƒ¼ã‚¦ã‚©ãƒ¼ãƒ«ã®ç¨®é¡ž NATã«ã¤ã„ã¦ ãƒ‘ã‚±ãƒƒãƒˆãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ã®æ¦‚è¦ã¨æ›¸å¼ ãƒ†ãƒ¼ãƒ–ãƒ«ã«ã¤ã„ã¦ ãƒã‚§ã‚¤ãƒ³ã«ã¤ã„ã¦ ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã«ã¤ã„ã¦ ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã«ã¤ã„ã¦ æ‹¡å¼µãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã«ã¤ã„ã¦ iptablesã®è¨˜è¿°é †åºã¨ãƒ«ãƒ¼ãƒ«ã®é©ç”¨é †ã«ã¤ã„ã¦ ãƒãƒªã‚·ãƒ¼ã«ã¤ã„ã¦ ãƒ•ã‚¡ã‚¤ã‚¢ãƒ¼ã‚¦ã‚©ãƒ¼ãƒ«ã®ç¨®é¡ž ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ã¨èžã„ã¦ã€ã¾ãšä½•ã‚’æ€ã„æµ®ã‹ã¹ã‚‹ã§ã—ã‚‡ã†ã‹
khiker 2017/01/12
Linux

iptables

Network
ãƒªãƒ³ã‚¯
ipset-dns - A lightweight DNS forwarder that adds resolved IPs to a given netfilter ipset.
A lightweight DNS forwarder that adds resolved IPs to a given netfilter ipset. ipset-dns Jason A. Donenfeld ([email protected]) ipset-dns is a lightweight DNS forwarding server that adds all resolved IPs to a given netfilter ipset. It is designed to be used in conjunction with dnsmasq's upstream server directive. Practical use cases include routing over a given gateway traffic for particular web ser
khiker 2017/01/12
Linux

Network

Routing

iptables

ipset
ãƒªãƒ³ã‚¯
Linux Advanced Routing & Traffic Control HOWTO
Table of Contents1. Dedication2. Introduction2.1. Disclaimer & License2.2. Prior knowledge2.3. What Linux can do for you2.4. Housekeeping notes2.5. Access, GIT & submitting updates2.6. Mailing list2.7. Layout of this document3. Introduction to iproute23.1. Why iproute2?3.2. iproute2 tour3.3. Prerequisites3.4. Exploring your current configuration3.4.1. ip shows us our links3.4.2. ip shows us our IP
khiker 2017/01/12
Linux

Network

Routing
ãƒªãƒ³ã‚¯
EdgeRouter X - 10. æµ·å¤–ã‹ã‚‰è¦‹ã‚‰ã‚Œãªã„ã‚µã‚¤ãƒˆã‚’è¦‹ã‚‹ï¼’ ( Domain Based Routing / Dnsmasq ) | yabe.jp
khiker 2017/01/12
Linux

DNS

Network

dnsmasq

ipset

firewalld
ãƒªãƒ³ã‚¯
åŒã˜ã‚µãƒ–ãƒãƒƒãƒˆã¸ã®NIC 2æžšæŒ‡ã—ã€ã¾ãŸã¯ã‚½ãƒ¼ã‚¹ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã®ãŠã¯ãªã— - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
ã€ŒNIC 2æžšåˆºã—ã€ã¨ã„ã†ã¨ã€ŒIP masqueradeã‚’ä½¿ã£ã¦Linuxã§ãƒ«ãƒ¼ã‚¿ãƒ¼ã‚’ä½œã‚ã†ï¼ã€çš„ãªè©±ã‚’æ€ã„å‡ºã™è€å®³ã§ã™ã€‚ã“ã‚“ã«ã¡ã¯ã€‚ NICã‚’2æžšç”Ÿã‚„ã—ãŸã‚µãƒ¼ãƒãƒ¼ã‹ã‚‰åŒã˜ã‚µãƒ–ãƒãƒƒãƒˆã«ä¸¡æ–¹ã®è¶³ã‚’ã®ã°ã™æ©Ÿä¼šãŒã‚ã£ãŸã®ã§ã™ãŒã€ã˜ã‚ƒã£ã‹ã‚“èº“ã„ãŸã®ã§ãã®ãƒ¡ãƒ¢ã§ã™ã€‚ å…·ä½“çš„ã«ã„ã†ã¨ã€eth0ã®æ–¹ã¯å•é¡Œãªã„ã®ã§ã™ãŒã€eth1ã«ã¤ã„ã¦ã„ã‚‹IPã‚¢ãƒ‰ãƒ¬ã‚¹ã¸ã®ç–Žé€šãŒã§ããªã„ã€ã¨ã„ã†ã‚‚ã®ã§ã—ãŸã€‚ ä»¥ä¸‹ã€ eth0ã«ã¤ã„ã¦ã„ã‚‹IPã‚¢ãƒ‰ãƒ¬ã‚¹ãŒ10.0.0.10 eth1ã«ã¤ã„ã¦ã„ã‚‹IPã‚¢ãƒ‰ãƒ¬ã‚¹ãŒ10.0.0.11 å¯¾å‘ã®åˆ¥ã‚µãƒ¼ãƒãƒ¼ãŒ10.0.0.100 ã¨ã„ã†ä½“ã§èªã‚“ã§ãã ã•ã„ã€‚ ã•ã¦ã€ åˆ¥ã‚µãƒ¼ãƒãƒ¼ã‹ã‚‰pingã—ã¤ã¤ã€eth1ã§tcpdumpã—ã¦ã¿ã‚‹ã¨ã€echo requestã¯å±Šã„ã¦ã„ã‚‹ã®ãŒè¦³æ¸¬ã§ãã¾ã—ãŸã€‚ãŒã€echo replyã‚’è¿”ã—ã¦ã„ã¾ã›ã‚“ã€‚ # tcpdump -i eth1 -nl icmp liste
khiker 2017/01/12
Linux

Network

Routing

iptables
ãƒªãƒ³ã‚¯
ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ quagga ã®è¨å®š
å®Ÿé¨“ã§ä½¿ç”¨ã™ã‚‹ UNIX ç”¨ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ quagga ã®åŸºæœ¬çš„ãªè¨å®šã«ã¤ã„ã¦ç´¹ä»‹ã™ã‚‹ï¼Ž ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã«ã¤ã„ã¦ ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã¯æ±äº¬å¤§å¦é›»åæƒ…å ±å·¥å¦ç§‘ 2009å¹´åº¦ å¾ŒæœŸå¦ç”Ÿå®Ÿé¨“ æ±Ÿå´Žç ”æ‹…å½“ã®ã€ŒIPãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã€ã®ãŸã‚ã«ï¼Œ 2009 å¹´ 10 æœˆ 12 æ—¥ã« quagga 0.99.9-2ubuntu1.3 ã«ã¤ã„ã¦æ›¸ã‹ã‚ŒãŸãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã§ã‚ã‚‹ï¼Ž æ›´æ–°å±¥æ´ 2009/10/12 00:00 ã“ã®ãƒšãƒ¼ã‚¸ã‚’ä½œæˆï¼Ž 2009/10/26 22:22 quagga ã®å†èµ·å‹•æ–¹æ³•ã‚’è¨˜è¿°ï¼Ž 2012/11/13 19:00 ã‚³ãƒ³ãƒ•ã‚£ã‚°ã®è¨˜è¿°ã«è¿½è¨˜ã€åŠã³ç´°ã‹ã„ä¿®æ£ ç›®æ¬¡ ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã«ã¤ã„ã¦ æ›´æ–°å±¥æ´ ç›®æ¬¡ ãƒªãƒ³ã‚¯ ã‚¤ãƒ³ãƒˆãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ ç’°å¢ƒ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ã‚³ãƒ³ãƒ•ã‚£ã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚³ãƒ”ãƒ¼ ã‚³ãƒ³ãƒ•ã‚£ã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®ç·¨é›† daemons debian.conf vtysh.conf
khiker 2017/01/12
Linux

Network

Routing

Quagga
ãƒªãƒ³ã‚¯
ipsetã‚’ä½¿ã£ã¦ã‚¹ãƒžãƒ¼ãƒˆã«iptablesã‚’è¨å®šã™ã‚‹ | ã‚®ãƒ¼ã‚¯ã‚’ç›®æŒ‡ã—ã¦
ã‚®ãƒ¼ã‚¯ãªçŸ¥äººã‹ã‚‰ã€Œvpsã§iptablesè¨å®šã—ã¦ã„ãŸã‚‰ãƒ«ãƒ¼ãƒ«è¨å®šæ•°ã®ä¸Šé™ã«å¼•ã£ã‹ã‹ã£ã¦æ€ã„é€šã‚Šã®è¨å®šãŒã§ããªã„ï¼ã€ã¨ã®è©±ã‚’èžãã€ãã‚Œã¯ä¸€ä½“ã©ã‚“ãªå¤§ãã•ã®iptablesãªã‚“ã ã¨å†…å¿ƒãƒ„ãƒƒã‚³ãƒŸã‚’å…¥ã‚Œã¤ã¤ã€å¯¾å¿œæ–¹æ³•ã‚’èª¿ã¹ã‚‹ã“ã¨ã«ã—ãŸã€‚çŸ¥äººæ›°ãipsetãŒä½¿ãˆãã†ã¨ã®äº‹ãªã®ã§ã€èª¿æŸ»ã—ãŸçµæžœã‚’ãƒ–ãƒã‚°ã«ã¾ã¨ã‚ã¦ãŠãã€‚ ipsetã¨ã¯ï¼Ÿ ipsetã¨ã¯Linuxã‚«ãƒ¼ãƒãƒ«ãƒãƒ¼ã‚¸ãƒ§ãƒ³2.4ä»¥é™ã§åˆ©ç”¨ã§ãã‚‹IPç®¡ç†ç”¨ã®ãƒ¦ãƒ¼ãƒ†ã‚£ãƒªãƒ†ã‚£ã®ã“ã¨ã ã€‚ ipsetã‚’åˆ©ç”¨ã™ã‚‹ã“ã¨ã§ã€IPã‚¢ãƒ‰ãƒ¬ã‚¹ã®é›†åˆã‚’ç°¡å˜ã«ç®¡ç†ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ ipsetè‡ªä½“ã¯ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ç®¡ç†æ©Ÿèƒ½ã‚’æŒãŸãªã„ãŒã€iptablesã¨çµ„ã¿åˆã‚ã›ã‚‹ã“ã¨ã§ã€ iptablesã®ãƒ•ã‚£ãƒ«ã‚¿ãƒªãƒ³ã‚°ãƒ«ãƒ¼ãƒ«ã‚’ä¸€æ‹¬ã§æ›´æ–°ã§ãã‚‹ IPã‚’é›†åˆã¨ã—ã¦æ‰±ã†äº‹ã§ã€ç…©é›‘ãªiptablesç®¡ç†ã‚’å˜ç´”åŒ–ã§ãã‚‹ ã¨ã„ã£ãŸãƒ¡ãƒªãƒƒãƒˆãŒã‚ã‚‹ã€‚ ipsetã‚’ä½¿ã£ã¦ã¿ã‚ˆã† ãã‚Œã§ã¯ã€å®Ÿéš›ã«ipse
khiker 2017/01/12
Linux

Network

iptables

ipset
ãƒªãƒ³ã‚¯
Wayback Machine
khiker 2017/01/06
Debian

Network
ãƒªãƒ³ã‚¯
http://wizwiki.net/jp/?p=870
khiker 2016/12/27
Network

PPPoE

PPP
ãƒªãƒ³ã‚¯
10ã‚®ã‚¬ï¼ˆ10GBASE-Tï¼‰8ãƒãƒ¼ãƒˆ ã‚¢ãƒ³ãƒžãƒãƒ¼ã‚¸ãƒ—ãƒ©ã‚¹ãƒ»ã‚¹ã‚¤ãƒƒãƒï¼ˆVLAN, QoS, ãƒªãƒ³ã‚¯ã‚¢ã‚°ãƒªã‚²ãƒ¼ã‚·ãƒ§ãƒ³ï¼‰ã€€XS708E | 160,000 å†† | ãƒãƒƒãƒˆã‚®ã‚¢ã€NETGEARã€‘
æ—¥æœ¬ (æ—¥æœ¬èªž) Deutschland (Deutsch)EspaÃ±a (EspaÃ±ol)France (FranÃ§ais)Italia (Italiano)æ—¥æœ¬ (æ—¥æœ¬èªž)Netherlands (Dutch)United States (English) æ—¥æœ¬ (æ—¥æœ¬èªž) Deutschland (Deutsch)EspaÃ±a (EspaÃ±ol)France (FranÃ§ais)Italia (Italiano)æ—¥æœ¬ (æ—¥æœ¬èªž)Netherlands (Dutch)United States (English)
khiker 2016/09/13
10gbe, sfp

Network

Hardware

Switch
ãƒªãƒ³ã‚¯
mFi Datasheet
khiker 2016/01/08
mpower ã¨ mport serial ãŒæ°—ã«ãªã‚‹

PDF

Network

é›»æº
ãƒªãƒ³ã‚¯
lacewing-project.org
This domain is registered at Dynadot.com. Website coming soon.
khiker 2011/10/03
cross-paltform high-level networking library

C

C++

Network
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