Cisco CDP tcpdump: differenze tra le versioni

Versione attuale delle 12:45, 18 lug 2014

CDP

tcpdump -nn -v -i eth0 -s 1500 -c 1 'ether[20:2] == 0x2000'

LLDP

tcpdump -i eth0 -s 1500 -XX -c 1 'ether proto 0x88cc'

LLDP & CDP

tcpdump -v -s 1500 -c 1 '(ether[12:2]=0x88cc or ether[20:2]=0x2000)'

Fonti:

@@ Riga 1: / Riga 1: @@
+CDP
 <code>
  tcpdump -nn -v -i eth0 -s 1500 -c 1 'ether[20:2] == 0x2000'
 </code>
+LLDP
+<code>
+ tcpdump -i eth0 -s 1500 -XX -c 1 'ether proto 0x88cc'
+</code>
+LLDP & CDP
+<code>
+ tcpdump -v -s 1500 -c 1 '(ether[12:2]=0x88cc or ether[20:2]=0x2000)'
+</code>
 Fonti:
@@ Riga 8: / Riga 18: @@
 * [http://www.kehlet.cx/articles/186.html]
 * [http://sidewynder.blogspot.it/2005/07/tcpdump-filter-for-capturing-only.html]
+* [http://dazdaztech.wordpress.com/2013/05/17/using-tcpdump-to-see-cdp-or-lldp-packets/]