11-01-2011
If they're not connected with switches, then what makes the tree shape?
Is it all the same subnet? If not, which subnets are which?
You don't get logical structure inside a subnet. Don't mistake physical structure for logical structure.
This might be a confusion of terms. Maybe list IP addresses for machines and we'll see what you mean by structure.
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LEARN ABOUT DEBIAN
arpspoof
ARPSPOOF(8) System Manager's Manual ARPSPOOF(8)
NAME
arpspoof - intercept packets on a switched LAN
SYNOPSIS
arpspoof [-i interface] [-c own|host|both] [-t target] [-r] host
DESCRIPTION
arpspoof redirects packets from a target host (or all hosts) on the LAN intended for another host on the LAN by forging ARP replies. This
is an extremely effective way of sniffing traffic on a switch.
Kernel IP forwarding (or a userland program which accomplishes the same, e.g. fragrouter(8)) must be turned on ahead of time.
OPTIONS
-i interface
Specify the interface to use.
-c own|host|both
Specify which hardware address t use when restoring the arp configuration; while cleaning up, packets can be send with the own
address as well as with the address of the host. Sending packets with a fake hw address can disrupt connectivity with certain
switch/ap/bridge configurations, however it works more reliably than using the own address, which is the default way arpspoof cleans
up afterwards.
-t target
Specify a particular host to ARP poison (if not specified, all hosts on the LAN). Repeat to specify multiple hosts.
-r Poison both hosts (host and target) to capture traffic in both directions. (only valid in conjuntion with -t)
host Specify the host you wish to intercept packets for (usually the local gateway).
SEE ALSO
dsniff(8), fragrouter(8)
AUTHOR
Dug Song <dugsong@monkey.org>
ARPSPOOF(8)