| 1 | = 2010-05-19 = |
| 2 | |
| 3 | == Network Virtualization == |
| 4 | |
| 5 | * Open vSwicth - multilayer virtual switch (2010-05-05 補充, [wiki:jazz/09-01-20#NetworkVirtualization 2009-01-20]) |
| 6 | * Xen Cloud Platform 預設的網路集線器(switch) |
| 7 | * [http://virtualization.info/en/news/2010/05/open-vswitch-reaches-1-0.html Open vSwitch reaches 1.0] - [wiki:jazz/10-05-19#NetworkVirtualization 2010-05-19]) |
| 8 | * [官網] http://openvswitch.org/ |
| 9 | * [套件] 目前尚未看到有人打包套件,應該是因為 Open vSwitch 計畫到了 2010 八月才把原始碼公開吧!! |
| 10 | |
| 11 | == Network == |
| 12 | |
| 13 | * '''ethtool''' - display or change ethernet card settings |
| 14 | * [簡介] [http://www.linux-mag.com/id/7783 Give Me Liberty or Give Me Eth] |
| 15 | * [官網] http://sourceforge.net/projects/gkernel/ |
| 16 | * [套件] [http://packages.debian.org/ethtool debian - ethtool], [http://packages.ubuntu.com/ethtool ubuntu - ethtool] |
| 17 | * 指令一:取得網路卡的驅動程式版本資訊 - [http://blog.linux.org.tw/~jserv/archives/001885.html 參考來源: Jserv's blog: ethtool 使用實例] |
| 18 | {{{ |
| 19 | ethtool -i eth0 |
| 20 | }}} |
| 21 | * 透過指令可以使特定網卡的燈號閃爍數秒 - [http://itblog.blogdns.net/index.php?load=read&id=107 參考來源: 準確判斷 eth0 是那一張實體網卡] |
| 22 | {{{ |
| 23 | ethtool -p eth0 |
| 24 | }}} |
| 25 | |
| 26 | * '''cdpr''' - Cisco Discovery Protocol Reporter - ([wiki:jazz/09-05-07#Networking 2009-05-07]) |
| 27 | * [參考] [http://www.debian-administration.org/article/Where_art_thou_-_CDPR cdpr] is a nifty little command which speaks the Cisco Discovery Protocol, allowing you to learn interesting things from your network. |
| 28 | * [官網] http://sourceforge.net/projects/cdpr/ |
| 29 | * [套件] [http://packages.debian.org/cdpr debian - cdpr], [http://packages.ubuntu.com/cdpr ubuntu - cdpr] |
| 30 | * 蠻有趣的套件,還可以查出接在哪一個 swicth 上的哪個 port。當然如果 switch 不是 Cisco 出的,大概就看不到資訊了吧。 |
| 31 | {{{ |
| 32 | jazz@Wdebian:~$ sudo apt-get install cdpr |
| 33 | jazz@Wdebian:~$ sudo cdpr |
| 34 | cdpr - Cisco Discovery Protocol Reporter |
| 35 | Version 2.2.1 |
| 36 | Copyright (c) 2002-2006 - MonkeyMental.com |
| 37 | |
| 38 | 1. eth0 (No description available) |
| 39 | 2. tap0 (No description available) |
| 40 | 3. usbmon1 (USB bus number 1) |
| 41 | 4. usbmon2 (USB bus number 2) |
| 42 | 5. usbmon3 (USB bus number 3) |
| 43 | 6. usbmon4 (USB bus number 4) |
| 44 | 7. usbmon5 (USB bus number 5) |
| 45 | 8. usbmon6 (USB bus number 6) |
| 46 | 9. usbmon7 (USB bus number 7) |
| 47 | 10. any (Pseudo-device that captures on all interfaces) |
| 48 | 11. lo (No description available) |
| 49 | Enter the interface number (1-11):1 |
| 50 | Using Device: eth0 |
| 51 | Waiting for CDP advertisement: |
| 52 | (default config is to transmit CDP packets every 60 seconds) |
| 53 | Device ID |
| 54 | value: X.nchc.org.tw |
| 55 | Addresses |
| 56 | value: 140.110.X.X |
| 57 | Port ID |
| 58 | value: GigabitEthernet0/33 |
| 59 | }}} |
| 60 | * [http://fourdollars.blogspot.com/2009/04/linux-system.html 如何在 Linux System 當中偵測網路線是否有接上?] - ([wiki:jazz/09-05-05 2009-05-05]) |
| 61 | {{{ |
| 62 | $ cat /sys/class/net/eth0/carrier |
| 63 | }}} |