[B! network] hogemã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

hogem id:hogem

networkã«é–¢ã™ã‚‹hogemã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (112)

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CentOS 6.4 ã§ Linux Network Namespace (netns) ã‚’ä½¿ã†
Linux ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã§ã¯æ¯”è¼ƒçš„ CentOS ã‚’ä½¿ã†ã“ã¨ãŒå¤šã„ã‚“ã ã‘ã©ã€æ®‹å¿µãªã“ã¨ã«ãƒãƒ¼ã‚¸ãƒ§ãƒ³ 6.4 ã§ã¯ã¾ã Linux Network Namespace (netns) ãŒä½¿ãˆãªã„ã€‚ ã©ã†ã‚„ã‚‰ Linux ã‚«ãƒ¼ãƒãƒ«ã¨ iproute2 ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ãŒè¶³ã‚Šã¦ãªã„ã‚‰ã—ã„ã€‚ $ ip netns list Object "netns" is unknown, try "ip help". $ uname -r 2.6.32-358.14.1.el6.x86_64 $ rpm -qf `which ip` iproute-2.6.32-23.el6.x86_64 ã˜ã‚ƒã‚ã©ã†ã™ã‚‹ã‹ã£ã¦ã„ã†ã¨ RedHat ãŒå‡ºã—ã¦ã„ã‚‹ OpenStack ãƒ‡ã‚£ã‚¹ãƒˆãƒªãƒ“ãƒ¥ãƒ¼ã‚·ãƒ§ãƒ³ã® RDO ã‚’ä½¿ã†ã€‚ OpenStack ã§ã¯ netns ã‚’ã‚¬ãƒ³ã‚¬ãƒ³ä½¿ã£ã¦ã‚‹ã®ã§ RDO ã¯ãã‚Œã«å¯¾å¿œã™ã‚‹ãŸã‚ã«å°‚ç”¨
hogem 2014/02/01
iproute / ip netns

linux

network
ãƒªãƒ³ã‚¯
CentOS 6.2 ã§ RPS/RFS ã‚’ä½¿ã£ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®å‰²ã‚Šè¾¼ã¿å‡¦ç†ã‚’è¤‡æ•°ã‚³ã‚¢ã«åˆ†æ•£ã—ã¦ã¿ãŸ - blog.nomadscafe.jp
ä»¥å‰(2010å¹´)ã«ã€Œã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã§ã‚‚ãƒžãƒ«ãƒã‚³ã‚¢CPUã‚’æ´»ã‹ã›ãªã„ä»¶ã€ã¨ã„ã†ã‚¨ãƒ³ãƒˆãƒªã«ã¦CPUã®ã‚³ã‚¢ãŒå¢—ãˆã¦ã‚‚å‰²ã‚Šè¾¼ã¿å‡¦ç†ãŒåˆ†æ•£ã•ã‚Œãªã„ã®ã§ã‚¹ã‚±ãƒ¼ãƒ«ã•ã‚Œãªã„ã¨æ›¸ã„ãŸã‘ã©ã€ãã®å¾ŒLinux Kernelã«RPS/RFSãªã‚‹æ©Ÿèƒ½ãŒè¿½åŠ ã•ã‚Œã€å‰²ã‚Šè¾¼ã¿å‡¦ç†ãŒåˆ†æ•£ã§ãã‚‹ã‚ˆã†ã«ãªã‚Šã€CentOS 6.2 ã§ã‚‚ä½¿ãˆã‚‹ã‚‰ã—ã„ã®ã§è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ RPS/RFSã«ã¤ã„ã¦ã®ç´¹ä»‹ã¯ VIOPS06ã§ã€ŒRPSãƒ»RFSç‰æœ€æ–°Linux Kerneläº‹ä¾‹ã€ã¨é¡Œã—ã¦ãŠè©±ã—ã¦ãã¾ã—ãŸ http://d.hatena.ne.jp/syuu1228/20110722/1311322653 Linuxå†…æ ¸ RPS/RFSåŠŸèƒ½è¯¦ç»†æµ‹è¯•åˆ†æž http://www.igigo.net/archives/204 ãŒè©³ã—ã„ã€‚2ç•ªç›®ã®ã¯ã»ã¼èªã‚ãªã„ã‘ã©ã€æ€§èƒ½æ¯”è¼ƒã®ã‚°ãƒ©ãƒ•ãŒåˆ†ã‹ã‚Šã‚„ã™ã„ã€‚ ä»Šå›žè©¦ã—ãŸã‚µãƒ¼ãƒã¯ã€ OS: C
hogem 2014/01/14
linux

network
ãƒªãƒ³ã‚¯
JANOG routingãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«
JANOG routingãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ« Matsuzaki â€˜mazâ€™ Yoshinobu <maz@iij.ad.jp> 2013/1/23 maz@iij.ad.jp 1 ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆ 2013/1/23 2 maz@iij.ad.jp ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ ISP ISP ISP ISP ISP IX IX AS AS AS AS 2013/1/23 3 maz@iij.ad.jp ã‚¢ã‚¯ã‚»ã‚¹ç¶²ã¨ãƒãƒƒã‚¯ãƒœãƒ¼ãƒ³ç¶² AS/ISP 2 AS/ISP 1 ã‚¢ã‚¯ã‚»ã‚¹ç¶² ãƒãƒƒã‚¯ãƒœãƒ¼ãƒ³ ãƒãƒƒã‚¯ãƒœãƒ¼ãƒ³ 2013/1/23 4 maz@iij.ad.jp ãƒ›ã‚¹ãƒˆã€å›žç·šã€ãƒ«ãƒ¼ã‚¿ 2013/1/23 5 maz@iij.ad.jp ãƒ›ã‚¹ãƒˆ â€¢ IPã§é€šä¿¡ã—ãŸã„äººãŸã¡ â€“ PCã€ã‚²ãƒ¼ãƒ ã€PDAã€ãƒ†ãƒ¬ãƒ“ â€¢ ãã‚Œãžã‚Œãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«æŽ¥ç¶šã™ã‚‹ãŸã‚ã®ã‚¤ãƒ³ ã‚¿ãƒ¼ãƒ•ã‚§ã‚¹ã‚’æŒã¤ â€“ ã‚¤ãƒ¼ã‚µãƒãƒƒãƒˆ â€“ ç„¡ç·šLANã€ç„¡ç·šWAN â€“
hogem 2013/01/28
å¾©ç¿’ã‚‚ã‹ãã¦å¾Œã§èªã‚€

network
ãƒªãƒ³ã‚¯
ifconfig vs ip: comparing the two network configuration commands
ifconfig vs ipThe command /bin/ip has been around for some time now. But people continue using the older command /sbin/ifconfig. Let's be clear: ifconfig will not go away any time soon, but its newer version, ip, is more powerful and will eventually replace it. The man page of ip may look intimidating at first, but once you get familiar with the command syntax, it is an easy read. This page will n
hogem 2012/08/08
linux

network
ãƒªãƒ³ã‚¯
vnStat - a network traffic monitor for Linux and BSD
Since vnStat doesn't have/need a fancy GUI, all 'screenshots' are console captures. Examples of the image output can be found from the cgi demo page. $ vnstat --help vnStat 2.12 by Teemu Toivola -5, --fiveminutes [limit] show 5 minutes -h, --hours [limit] show hours -hg, --hoursgraph show hours graph -d, --days [limit] show days -m, --months [limit] show months -y, --years [limit] show years -t, -
hogem 2012/08/08
ã“ã‚Œè‰¯ã•ãã† / "vnStat is a console-based network traffic monitor for Linux and BSD"

linux

network
ãƒªãƒ³ã‚¯
RedHat Linux æŠ€è¡“çš„ãªè³ªå•(Part2) FAQ
Red Hat Insights Increase visibility into IT operations to detect and resolve technical issues before they impact your business. Learn More Go to Insights Red Hat Product Security Center Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities. Product Security Center
hogem 2012/04/13
bonding ã®ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿

linux

network
ãƒªãƒ³ã‚¯
Linuxã®bonding(802.3ad)ã§ç™ºç”Ÿã—ãŸãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã®åã‚Šã‚’ãªãŠã—ãŸè©± - å…ƒRX-7ä¹—ã‚Šã®é©å½“ãªæ—¥ã€…
ã¯ã˜ã‚ã« ã¨ã‚ã‚‹ç’°å¢ƒã®è©±ã€‚internalã®Linuxã‚µãƒ¼ãƒã§bonding(ãƒœãƒ³ãƒ‡ã‚£ãƒ³ã‚°)ã‚’çµ„ã‚“ã§ã„ã¾ã—ãŸã€‚modeã¯4ã€‚802.3ad(LACP)æº–æ‹ ã®ãƒªãƒ³ã‚¯ã‚¢ã‚°ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãªãƒ¢ãƒ¼ãƒ‰ã§ã™ã€‚ ã¡ãªã¿ã«ã€bondingã¨ã¯ãƒ»ãƒ»ãƒ» ã¡ãªã¿ã«ã€"bonding"ã¨ã¯ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã‚’å†—é•·åŒ–(ã¾ãŸã¯è² è·åˆ†æ•£)ã™ã‚‹æ–¹æ³•ã§ã€è¤‡æ•°ã®NICã‚’æŸãã¦1æœ¬ã«è¦‹ã›ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ãƒãƒ¼ãƒŸãƒ³ã‚°(teaming)ã¨å‘¼ã°ã‚ŒãŸã‚Šã‚‚ã—ã¾ã™ãã€‚ ã§ã€Linuxã§ã¯bondingã«ã‚‚ã„ãã¤ã‹ãƒ¢ãƒ¼ãƒ‰ãŒã‚ã£ã¦ã€è¤‡æ•°ã®ãƒãƒªã‚·ãƒ¼ã®ä¸ã‹ã‚‰é¸æŠžã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ balance-rr åˆã¯ 0 - è€éšœå®³æ€§ã¨ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚·ãƒ³ã‚°ã®ãŸã‚ãƒ©ã‚¦ãƒ³ãƒ‰ãƒãƒ“ãƒ³ãƒãƒªã‚·ãƒ¼ã‚’è¨å®šã—ã¾ã™ã€‚åˆ©ç”¨å¯èƒ½ãªç¬¬ 1 ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã‹ã‚‰ãã‚Œãžã‚Œã®ãƒœãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã•ã‚ŒãŸã‚¹ãƒ¬ãƒ¼ãƒ–ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã§é€å—ä¿¡ãŒé †æ¬¡è¡Œã‚ã‚Œã¾ã™ã€‚ active-backup åˆã¯
hogem 2012/04/13
ã‚ãƒ¼ã“ã‚Šã‚ƒã„ã„ã‚ mode=2,4ã®ã¨ãã¯mac ã‚¢ãƒ‰ãƒ¬ã‚¹ã§ã®xor ã«ã—ã‹ãªã‚‰ãªã„ã¨æ€ã„è¾¼ã‚“ã§ãŸ

linux

network
ãƒªãƒ³ã‚¯
ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã®æ›¸ãæ–¹ - Akio's Log
å…ˆæœˆã‹ã‚‰å‡ºç¨¼ãŽã§æ±äº¬ã«æ¥ã¦ã¾ã™ã€‚æ¯Žå¹´ã€ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ç‰¹æ€§ä¸Šã€ï¼“ã€œï¼”æœˆã«ç©ºããŒå‡ºã¦ã—ã¾ã†ã®ã§ã€ä»•æ–¹ã®ãªã„ã“ã¨ãªã‚“ã§ã™ãŒã€‚ ã§ã€æœ€è¿‘ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã‚’æ›¸ãä»•äº‹ã‚’ã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€ã¡ã‚ƒã‚“ã¨ã—ãŸãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã‚’ä»•äº‹ã§æ›¸ãã®ã¯åˆã‚ã¦ã®ã“ã¨ã§ã—ãŸã®ã§ã€ã€Œã‚³ãƒ„ã€ã‚’ã¤ã‹ã‚€ã¾ã§ã ã„ã¶æ™‚é–“ãŒã‹ã‹ã£ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ ãã®éŽç¨‹ã§ã€ã„ã‚ã„ã‚ã¨å‚è€ƒã«ã—ãŸã‚µã‚¤ãƒˆã‚’ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ æ›¸ç± ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ç¾å ´ã®æ•™ç§‘æ›¸ã€€æ”¹è¨‚ç‰ˆ ï¼ˆãƒžã‚¤ã‚³ãƒŸãƒ ãƒƒã‚¯ï¼‰ (MYCOMãƒ ãƒƒã‚¯) ä½œè€…: IDGå‡ºç‰ˆç¤¾/ãƒ¡ãƒ¼ã‚«ãƒ¼: æ¯Žæ—¥ã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚ºç™ºå£²æ—¥: 2011/03/31ãƒ¡ãƒ‡ã‚£ã‚¢: ãƒ ãƒƒã‚¯è³¼å…¥: 1äºº ã‚¯ãƒªãƒƒã‚¯: 9å›žã“ã®å•†å“ã‚’å«ã‚€ãƒ–ãƒã‚° (2ä»¶) ã‚’è¦‹ã‚‹ã“ã‚Œã¯ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®æ•™ç§‘æ›¸ã€€æ”¹è¨‚ç‰ˆ ï¼ˆãƒžã‚¤ã‚³ãƒŸãƒ ãƒƒã‚¯ï¼‰ (MYCOMãƒ ãƒƒã‚¯)ã®å®Ÿè·µç·¨çš„ãªå†…å®¹ã§ã™ãŒã€æœ¬å½“ã«å½¹ã«ç«‹ã¡ã¾ã—ãŸã€‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã‚’æ›¸ãéš›ã«ã¯ã€ç‰©ç†æ§‹æˆå›³ã¨è«–ç†æ§‹æˆå›³ã‚’ãã¡ã‚“ã¨åˆ†ã‘ã¦æ›¸ã‹
hogem 2012/04/04
æ§‹æˆãŒã»ã¼åŒã˜ã ã‹ã‚‰nwdiagã‚’ä½¿ã„å›žã—ã¦è‡ªå‹•ç”Ÿæˆã—ã¦ã‚¦ãƒã‚¦ãƒã—ãŸã„ã‘ã©å‡ºæ¥ã¦ãªã„

network
ãƒªãƒ³ã‚¯
Vyatta Documentation | www.vyatta.com
Detailed guides to get your Vyatta system up and running quickly These Vyatta reference guides provide detailed information on Vyatta features, functions, commands and use cases. If you cannot locate answers in these reference materials or are still having difficulty configuring Vyatta for your network, we recommend that you purchase a Vyatta Subscription, Professional services, or view our Vyatta
hogem 2012/02/25
download documentation of vyatta

network

vyatta

software
ãƒªãƒ³ã‚¯
CentOS ã® bonding ã® arp_validate ã‚ªãƒ—ã‚·ãƒ§ãƒ³
CentOS 5 ãŠã‚ˆã³ CentOS 6 ã® bonding ã§ ARP ç›£è¦–ã‚’è¡Œã†å ´åˆã€arp_validate ã¨ã„ã†ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’åˆ©ç”¨ã§ãã¾ã™ã€‚ ä»¥ä¸‹ã€ãã®å‡¦ç†å†…å®¹ã«ã¤ã„ã¦ã®ãƒ¡ãƒ¢ã§ã™ã€‚ Bladeã‚µãƒ¼ãƒ BladeåŽç´ãƒ¦ãƒ‹ãƒƒãƒˆ â”Œâ”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â” â”‚ activeâ”‚ â”Œâ”€â”€â”€â”Blade â”‚ Bladeå¤–éƒ¨switch â”‚ â”Œâ”€â”€â” â”Œâ”€â”€â”¤ â”‚ â”‚å†…éƒ¨switch â”Œâ”€â”€â”€â” â”‚ â”‚ â”œâ”€â”¤eth0â”œâ”€â”€â”€â”€â”€â”¤ SW1 â”œâ”€â”€â”€â”€â”€â˜…â”¤ â”‚ â”‚ â”‚ â”‚ â””â”€â”€â”¤â†’â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â€¦â” â”‚ â”Œâ”€â”€â”€â” â”‚ bond0 â”‚ â”‚ARPè¦æ±‚ â””â”€â”€â”€â”˜ â”‚ â”‚ï¼šSW3 â”‚ arp_ip_target â”‚ â”‚192.168.50.111â”‚broadcast â”Œâ”€â”€â”€â” â”‚ â”‚ï¼š â”œâ”€â”¤192.168.50.222 â”‚ â”‚ â”‚ â”Œâ”€â”€â”¤â†â€¦â€¦
hogem 2011/11/20
linuxã®bondingã§arpç›£è¦–ã™ã‚‹æ™‚ã®arp_validate ã‚ªãƒ—ã‚·ãƒ§ãƒ³ / broadcastã‚’æŠ•ã’ã‚‹hostãŒä»–ã«ã‚‚å˜åœ¨ã™ã‚‹å ´åˆã€arp_validateã‚’è¨å®šã—ãªã„ã¨ã€éšœå®³ã‚’æ¤œçŸ¥ã§ããªã„ / ãŸã ã—ã€kernelã®bug?ã§ã€bridge interfaceä¸Šã§ã¯å‹•ã‹ãªã„ (slave interfaceãŒdownã«ãªã‚‹)

linux

network
ãƒªãƒ³ã‚¯
JF: Linux Kernel 3.x/2.6 Documentation: bonding.txt
Linux Kernel 3.x/2.6 Documentation: /usr/src/linux/Documentation/networking/bonding.txt networking/bonding.txt Linux bonding ãƒ‰ãƒ©ã‚¤ãƒã®è¨å®šæ–¹æ³• [ãƒ—ãƒ¬ã‚¤ãƒ³ãƒ†ã‚ã‚¹ãƒˆç‰ˆ] åŽŸè‘—ä½œè€…: Thomas Davis <tadavis at lbl.gov> ç¿»è¨³è€…: Akira Yoshiyama <yosshy at debian dot or dot jp> ãƒãƒ¼ã‚¸ãƒ§ãƒ³: 2.6.25 ç¿»è¨³æ—¥æ™‚: 2008/02/20 Linux Ethernet Bonding Driver HOWTO % Latest update: 12 November 2007 % æœ€çµ‚æ›´æ–°ï¼š2007å¹´11æœˆ12æ—¥ %Initial release : Thomas Davis <tadavi
hogem 2011/11/18
bondingã®æ—¥æœ¬èªžè¨³

linux

network
ãƒªãƒ³ã‚¯
ã“ã‚Œã§Visioã‚’ä½¿ã£ãŸãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ä½œæˆã‹ã‚‰ãŠã•ã‚‰ã°ï¼Ÿé‹ç”¨ã¾ã§ç®¡ç†ã§ãã‚‹Â·Prime MOONGIFT
Primeã¯ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢æ§‹æˆã‚„ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚‚å«ã‚ãŸãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã‚’ä½œæˆã™ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã€‚ Primeã¯Javaè£½ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ»ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã€‚ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºã‚’è¡Œã†éš›ã«ãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ã‚„ãƒ«ãƒ¼ã‚¿ã€ã‚µãƒ¼ãƒç‰ã®é…ç½®ã‚’å›³ã«èµ·ã“ã™æ™‚ã¯å¤šã„ã€‚ãã†ã„ã†æ™‚ã«ãƒ‰ãƒãƒ¼ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¨ã—ã¦MS Visioã‚’ä½¿ã†ã‚±ãƒ¼ã‚¹ãŒå¤šã„ã®ã§ã¯ãªã„ã ã‚ã†ã‹ã€‚ä»–ã«ã‚‚é¡žä¼¼ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¯ã‚ã‚‹ãŒã€ã‚¢ã‚¤ã‚³ãƒ³ãŒã©ã†ã‚‚å¥½ãã§ã¯ãªãçµå±€Visioã‚’ä½¿ã£ã¦ã„ãŸã€‚ æç”»ä¸ ã—ã‹ã—ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã‚’æããŸã‚ã ã‘ã«MS Visioã‚’è³¼å…¥ã™ã‚‹ã®ã§ã¯ã‚ã¾ã‚Šã«ã‚‚å‹¿ä½“ãªã„ã€‚ãƒ‡ã‚¶ã‚¤ãƒ³ã«å„ªã‚ŒãŸã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãŒã‚ã‚Œã°ãã‚Œã‚’ä½¿ãˆã‚‹ã¯ãšã ã€‚ãã“ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã‚’æãéš›ã«ãŠå‹§ã‚ã—ãŸã„ã®ãŒPrimeã ã€‚ Primeã¯ãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ã‚„ã‚µãƒ¼ãƒã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ©Ÿå™¨ã‚’é…ç½®ã—ã¦ãã‚Œã‚‰ã‚’ç·šã§çµã‚“ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å›³ã‚’ä½œæˆã™ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã ã€‚ç«¯æœ«é–“ã®æŽ¥ç¶šæ³•ã‚’RJ45ã¾ãŸã¯USBã‹ã‚‰é¸ã¹ã‚‹ãªã©èŠ¸ãŒç´°ã‹ã„ã€‚ã•
hogem 2011/10/08
software

network
ãƒªãƒ³ã‚¯
TCP/IP ã§ TIME_WAIT ãŒæ®‹ã‚‹æ™‚é–“ã‚’çŸãã™ã‚‹
TIME_WAIT çŠ¶æ…‹ã® TCP ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒå¤šæ•°æ®‹ã‚‹ netstat ã‚³ãƒžãƒ³ãƒ‰ã§ TCP ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã®çŠ¶æ…‹ã‚’ç¢ºèªã—ã¦ã„ã‚‹ã¨ã€"TIME_WAIT" ã¨ã„ã†çŠ¶æ…‹ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒãŸãã•ã‚“ç¢ºèªã•ã‚Œã‚‹å ´åˆãŒã‚ã‚Šã¾ã™ã€‚ "TIME_WAIT" çŠ¶æ…‹ã¨ã„ã†ã®ã¯ TCP ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã«ãŠã„ã¦ã€ã“ã¡ã‚‰å´ã‹ã‚‰é€šä¿¡ã‚’ã—ãŸå ´åˆã« "FIN_WAIT_1" (FIN ACK å—ä¿¡) ã‹ã‚‰ã€"FIN_WAIT_2" (ACK å—ä¿¡) ã¾ãŸã¯ "CLOSING" (FIN å—ä¿¡, ACK é€ä¿¡)ã‚’çµŒã¦ã€ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’é–‰ã˜ã‚‰ã‚Œã‚‹çŠ¶æ…‹ã¨ãªã£ãŸã“ã¨ã‚’ç¤ºã™ã‚‚ã®ã®ã‚ˆã†ã§ã™ã€‚ ãã—ã¦ã“ã® "TIME_WAIT" ã‹ã‚‰ã€å®Ÿéš›ã«ãã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒé–‰ã˜ã‚‰ã‚Œã¦ "CLOSED" ã¨ãªã‚‹ã¾ã§ã®é–“ã«å¾…ã¡æ™‚é–“ãŒã‚ã‚Šã€ã“ã‚Œã«ã‚ˆã£ã¦ã€çŸæ™‚é–“ã«é€šä¿¡ãŒé›†ä¸ã™ã‚‹ã¨ã€ãã®åˆ†ã ã‘é€šä¿¡çµ‚äº†é–“éš›ã® "TIME_WAIT" çŠ¶æ…‹ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãŒå¤šæ•°ã€ne
hogem 2011/08/23
linux

network
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blockdiagcontrib-cisco â€” blockdiagcontrib.cisco quick reference v documentation
blockdiagcontrib-ciscoÂ¶ A plugin for blockdiag that provides shapes for networking. The shapes are using Network Topology Icons designed by Cisco Systems, Inc . Diagram examplesÂ¶ blockdiagcontrib-cisco renders network icon as nodeâ€™s shape. Example:
hogem 2011/06/22
cisco networkæ©Ÿå™¨ã®iconã‚’blockdiag (ä»–nwdiag ãªã©ã§ã‚‚) ä½¿ãˆã‚‹ã‚ˆã†ã«ã™ã‚‹plugin / easy_install blockdiagcontrib-cisco

blockdiag

network
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ãƒ—ãƒãƒã‚¤ãƒ€ã®ãƒªãƒ¢ãƒ¼ãƒˆãƒ›ã‚¹ãƒˆ Wiki - ãƒˆãƒƒãƒ—ãƒšãƒ¼ã‚¸
ãŠã™ã™ã‚ãƒªãƒ³ã‚¯ | è»¢è·ãªã‚‰en | è»¢è·ãªã‚‰ã‚¨ãƒ³ | æ´¾é£ãªã‚‰en | ã‚¢ãƒ«ãƒã‚¤ãƒˆãªã‚‰en | å°±è·ãªã‚‰en | ãƒ‡ã‚¸ã‚«ãƒ¡ãƒ—ãƒªãƒ³ãƒˆ | å¹´è³€çŠ¶ | ã¾ã—ã‹ããƒ—ãƒªãƒ³ãƒˆ | è¾žæ›¸ | | 2ché¢¨ç„¡æ–™æŽ²ç¤ºæ¿ | ç„¡æ–™ãƒ–ãƒã‚°ä½œæˆ | ã‚½ãƒ¼ã‚·ãƒ£ãƒ«ãƒ—ãƒãƒ•ã‚£ãƒ¼ãƒ« | ç„¡æ–™æŽ²ç¤ºæ¿ | é«˜æ©Ÿèƒ½ç„¡æ–™æŽ²ç¤ºæ¿ | ç„¡æ–™ãƒ›ãƒ¼ãƒ ãƒšãƒ¼ã‚¸ | ç„¡æ–™SNS |php |ãƒã‚¤ãƒ³ãƒˆ | @wiki - ç„¡æ–™ãƒ¬ãƒ³ã‚¿ãƒ«ã‚¦ã‚£ã‚ã‚µãƒ¼ãƒ“ã‚¹ | ãƒ—ãƒ©ã‚¤ãƒã‚·ãƒ¼ãƒãƒªã‚·ãƒ¼
hogem 2011/04/20
remote host ãŒdhcp ã‹ã©ã†ã‹èª¿ã¹ã‚‹ã®ã«å½¹ç«‹ã¤

network
ãƒªãƒ³ã‚¯
Linux Advanced Routing & Traffic Control HOWTO
Table of Contents1. çŒ®è¾ž2. ã¯ã˜ã‚ã«2.1. å…è²¬ãŠã‚ˆã³ãƒ©ã‚¤ã‚»ãƒ³ã‚¹2.2. äº‹å‰ã«å¿…è¦ãªçŸ¥è˜2.3. Linux ã«ã§ãã‚‹ã“ã¨2.4. ã“ã®æ–‡æ›¸ã®ç®¡ç†ã«ã¤ã„ã¦ã®ãƒ¡ãƒ¢2.5. å–å¾—ã€CVS ãŠã‚ˆã³ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã®æŠ•ç¨¿2.6. ãƒ¡ãƒ¼ãƒªãƒ³ã‚°ãƒªã‚¹ãƒˆ2.7. ã“ã®æ–‡æ›¸ã®æ§‹æˆ3. iproute2 å…¥é–€3.1. ãªãœ iproute2 ãªã®ã‹?3.2. iproute2 ã®æ¦‚ç•¥3.3. äº‹å‰ã®å¿…è¦æ¡ä»¶3.4. ç¾åœ¨ã®è¨å®šã‚’èª¿ã¹ã¦ã¿ã‚‹3.5. ARP4. Rules - ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ãƒãƒªã‚·ãƒ¼ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹4.1. ç°¡å˜ãªã‚½ãƒ¼ã‚¹ãƒãƒªã‚·ãƒ¼ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°4.2. è¤‡æ•°ã®ã‚¢ãƒƒãƒ—ãƒªãƒ³ã‚¯/ãƒ—ãƒãƒã‚¤ãƒ€ã«å¯¾ã™ã‚‹ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°5. GRE ãƒˆãƒ³ãƒãƒ«ã€ãã®ä»–ã®ãƒˆãƒ³ãƒãƒ«5.1. ãƒˆãƒ³ãƒãƒ«ã«é–¢ã™ã‚‹ä¸€èˆ¬çš„ãªäº‹æŸ„5.2. IP in IP ãƒˆãƒ³ãƒãƒªãƒ³ã‚°5.3. GRE ãƒˆãƒ³ãƒãƒªãƒ³ã‚°5.4. ãƒ¦ãƒ¼ã‚¶ãƒ©ãƒ³ãƒ‰ã®ãƒˆãƒ³ãƒãƒ«6.
hogem 2011/02/07
"iproute2ã€ ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯åˆ¶å¾¡ã€ãŠã‚ˆã³å¤šå°‘ã® netfilter ã«é–¢ã™ã‚‹ã€æ¥µã‚ã¦å®Ÿè·µçš„ãªã‚¢ãƒ—ãƒãƒ¼ãƒã€‚"

linux

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hogem 2010/09/15
network

ospf
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ãƒšãƒ¼ã‚¸ãŒè¦‹ã¤ã‹ã‚Šã¾ã›ã‚“ | æ—¥æœ¬HP
ãƒšãƒ¼ã‚¸ãŒè¦‹ã¤ã‹ã‚Šã¾ã›ã‚“ã€‚ ç›®çš„ã®ãƒšãƒ¼ã‚¸ã¯ã€ç§»å‹•ã¾ãŸã¯å‰Šé™¤ã«ã‚ˆã£ã¦ç„¡åŠ¹ã«ãªã£ã¦ã„ã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ç”³ã—è¨³ã‚ã‚Šã¾ã›ã‚“ãŒã€æ¤œç´¢ã¾ãŸã¯ãƒªãƒ³ã‚¯å…ˆã‚ˆã‚ŠãŠæŽ¢ã—ãã ã•ã„ã€‚
hogem 2010/07/12
linuxã®interface bondingã™ã‚‹ã¨ãã®ãƒ¢ãƒ¼ãƒ‰ã®é•ã„ã«ã¤ã„ã¦

linux

network
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ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ãƒ»ãƒ„ãƒ¼ãƒ«ã‚’è©¦ã™ - nepimã€LMbenchã€nuttcp | OSDN Magazine
ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã§ã¯ã€ä¼é€é€Ÿåº¦ã¨é…å»¶æ™‚é–“ã¨ã„ã†2ã¤ã®æŒ‡æ¨™ãŒç‰¹ã«é–¢å¿ƒã®å¯¾è±¡ã¨ãªã‚‹ã€‚ã‚µãƒ¼ãƒ“ã‚¹ã‚„è£½å“ã®åºƒå‘Šã§ã¯ã€ä¼é€é€Ÿåº¦ã®æ–¹ãŒå¤§ããå–ã‚Šä¸Šã’ã‚‰ã‚Œã‚‹ã“ã¨ãŒå¤šã„ãŒã€çŠ¶æ³ã«ã‚ˆã£ã¦ã¯é…å»¶æ™‚é–“ã®æ–¹ãŒé‡è¦ãªæŒ‡æ¨™ã¨ãªã‚‹å ´åˆã‚‚ã‚ã‚‹ã€‚ã“ã®è¨˜äº‹ã§ã¯ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ¸¬å®šã«åˆ©ç”¨ã§ãã‚‹3ã¤ã®ãƒ„ãƒ¼ãƒ«ã‚’è¦‹ã¦ã„ãã“ã¨ã«ã—ã‚ˆã†ã€‚nepimï¼ˆnetwork pipemeterï¼‰ã€LMbenchã€nuttcpã®3ã¤ã ã€‚ ä»Šå›žã®ãƒ†ã‚¹ãƒˆã§ã¯ã€64ãƒ“ãƒƒãƒˆã®Fedora 9æè¼‰ãƒžã‚·ãƒ³ã§å„ãƒ„ãƒ¼ãƒ«ã‚’ã‚½ãƒ¼ã‚¹ã‹ã‚‰ãƒ“ãƒ«ãƒ‰ã—ãŸã€‚ä½¿ç”¨ã—ãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ã€nepimãŒ0.51ã€LMbenchãŒ3ã€nuttcpãŒ5.5.5ã ã€‚ ã¾ãŸä»Šå›žã¯ã€ã‚®ã‚¬ãƒ“ãƒƒãƒˆãƒ»ã‚¤ãƒ¼ã‚µãƒãƒƒãƒˆã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ»ã‚¤ãƒ³ã‚¿ãƒ•ã‚§ãƒ¼ã‚¹ãƒ»ã‚«ãƒ¼ãƒ‰2æžšã‚’bondingæ§‹æˆï¼ˆç¿»è¨³è¨˜äº‹ï¼‰ã§çµ„ã¿åˆã‚ã›ãŸãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ»ãƒªãƒ³ã‚¯ã‚’ä½¿ç”¨ã—ãŸã€‚ã ãŒã€çµæžœã‚’è¦‹ã‚‹ã¨ã‚ã‹ã‚‹ã‚ˆã†ã«ã€ä½•ã‹ãŒã†ã¾ãæ©Ÿèƒ½ã—ã¦ã„ãª
hogem 2009/12/23
linux

network
ãƒªãƒ³ã‚¯
NetApp Tech OnTap
ã“ã®ã‚³ãƒ©ãƒ ã‚’æ›¸ãã«ã‚ãŸã£ã¦ã€ç§ã¯é‡è¦ãªãƒˆãƒ”ãƒƒã‚¯ã‚’ã„ãã¤ã‹ãƒ”ãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ã¦ã¿ã¾ã—ãŸã€‚ã“ã‚Œã¯ã€Yahoo!ç¤¾ã§ã®å®Ÿä¾‹ã‚„NetAppã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’é‹ç”¨ã—ã¦ã„ã‚‹å‹äººã¨ã®ä¼šè©±ã€ç§ãŒã“ã‚Œã¾ã§ã«å‹¤ã‚ã¦ã„ãŸä¼šç¤¾ã§ã®ä¾‹ã«åŸºã¥ã„ã¦ã„ã¾ã™ã€‚ ä»Šæœˆã®ãƒˆãƒ”ãƒƒã‚¯ï¼š ãƒœãƒªãƒ¥ãƒ¼ãƒ å†…ã®æœ€åˆã®RAIDã‚°ãƒ«ãƒ¼ãƒ—ã¸ã®ãƒ‡ã‚£ã‚¹ã‚¯ã®è¿½åŠ NetAppã‚·ã‚¹ãƒ†ãƒ ã‚’ãƒžã‚¦ãƒ³ãƒˆã—ã¦ã„ã‚‹ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¨ã€ãã®ä½œæ¥è² è·ã®ç›£è¦– å…¬é–‹éµã‚’ä½¿ã£ãŸSSHã®æœ‰åŠ¹åŒ– ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’ãƒ†ã‚¹ãƒˆã™ã‚‹ãŸã‚ã®SIOã®ä½¿ç”¨ Qï¼šãƒœãƒªãƒ¥ãƒ¼ãƒ å†…ã®æœ€åˆã®RAIDã‚°ãƒ«ãƒ¼ãƒ—ã«ãƒ‡ã‚£ã‚¹ã‚¯ã‚’è¿½åŠ ã™ã‚‹æ–¹æ³•ã‚’æ•™ãˆã¦ãã ã•ã„ã€‚ ã“ã‚Œã¯éžå¸¸ã«ç°¡å˜ã§ã™ã€‚vol addã‚³ãƒžãƒ³ãƒ‰ã«ã¯ã€Œ-gã€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒã‚ã‚Šã€é¸æŠžã—ãŸä»»æ„ã®RAIDã‚°ãƒ«ãƒ¼ãƒ—ã«ãƒ‡ã‚£ã‚¹ã‚¯ã‚’è¿½åŠ ã§ãã¾ã™ã€‚ æ¬¡ã«ä¾‹ã‚’ç¤ºã—ã¾ã™ã€‚ ã“ã®æ–¹æ³•ã¯ã€ãƒœãƒªãƒ¥ãƒ¼ãƒ ã¾ãŸã¯ã‚¢ã‚°ãƒªã‚²ãƒ¼ãƒˆå†…ã®ã™ã¹ã¦ã®RAIDã‚°ãƒ«ãƒ¼ãƒ—ã«å¯¾ã—ã¦æœ‰åŠ¹ã§ã€ã€Œraidsizeã€
hogem 2009/10/08
network

storage

netapp
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