Tags:catalyst-switch Cisco cisco-ios monitor span-port
Cisco SPAN port is a SwitchPort ANalyzer on the cisco catalyst that allows to select and span or copy traffic from one or more source switchports or source VLANs onto one or more destination ports. The destination port(s) runs a sniffing or a packet capture program like Ethereal, Wireshark or TCPDump.
Cisco IOS support Local SPAN and Remote SPAN (RSPAN). Read more… »