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144.3. cdpr - Cisco Discovery Protocol Reporter

$ sudo apt-get install cdpr
		
$ sudo cdpr
[sudo] password for neo:
cdpr - Cisco Discovery Protocol Reporter
Version 2.4
Copyright (c) 2002-2010 - MonkeyMental.com

1. eth0 (No description available)
2. tun0 (No description available)
3. usbmon1 (USB bus number 1)
4. usbmon2 (USB bus number 2)
5. usbmon3 (USB bus number 3)
6. usbmon4 (USB bus number 4)
7. usbmon5 (USB bus number 5)
8. lo (No description available)
Enter the interface number (1-8):1
Using Device: eth0
Waiting for CDP advertisement:
(default config is to transmit CDP packets every 60 seconds)
Device ID
  value:  4A3750G
Addresses
  value:  193.168.0.254
Port ID
  value:  GigabitEthernet1/0/15

		

通过cdprs.php收集CDP数据,很容易改写,实现写入数据库

/usr/share/doc/cdpr/examples/

$ find /usr/share/doc/cdpr/examples/
/usr/share/doc/cdpr/examples/
/usr/share/doc/cdpr/examples/cdprs
/usr/share/doc/cdpr/examples/cdprs/cdprs.cgi.gz
/usr/share/doc/cdpr/examples/cdprs/cdprs.php
/usr/share/doc/cdpr/examples/cdpr.conf
		

这个功能可以实现后自动绘制网络拓扑,分析收集的数据,然后通过Graphviz绘制网络拓扑图。