= 2009-05-07 =

== Networking ==

 * [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.
  * 蠻有趣的套件，還可以查出接在哪一個 swicth 上的哪個 port。
{{{
jazz@drbl:~$ sudo apt-get install cdpr
jazz@drbl:~$ sudo cdpr
cdpr - Cisco Discovery Protocol Reporter
Version 2.2.1
Copyright (c) 2002-2006 - MonkeyMental.com

1. eth0 (No description available)
2. eth1 (No description available)
3. eth2 (No description available)
4. any (Pseudo-device that captures on all interfaces)
5. lo (No description available)
Enter the interface number (1-5):1
Using Device: eth0
Waiting for CDP advertisement:
(default config is to transmit CDP packets every 60 seconds)
Device ID
  value:  ********.nchc.org.tw
Addresses
  value:  140.110.***.***
Port ID
  value:  GigabitEthernet0/48
}}}