Open a telnet session to your dreambox and once logged in type ifconfig which will show all traffic since you last rebooted.


ifconfig
eth0 Link encap:Ethernet HWaddr 00:09:34:xx:xx:xx
inet addr:192.168.x.x Bcast:192.168.x.x Mask:255.x.x.x
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:110908 errors:0 dropped:0 overruns:0 frame:0
TX packets:127667 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:11189608 (10.6 MiB) TX bytes:16807273 (16.0 MiB)
Interrupt:25 Base address:0x600

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:1554 errors:0 dropped:0 overruns:0 frame:0
TX packets:1554 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:389369 (380.2 KiB) TX bytes:389369 (380.2 KiB)