SHAPING THE FUTURE OF SATELLITE COMMUNICATIONS
Packet Monitor
If the packet monitor is activated, then the selected traffic is removed from the data
path and sent to the packet monitor. The selection of traffic is done by means of a
packet log filter. Only packets that match this filter are logged.
The procedure to activate the packet monitor is as follows:
Go to the:
EL470 >> Modem >> Monitor >> Interfaces >> Ethernet >>
Packet Mon menu
Select an Action;
This configures the action taken when a packet is logged.
The options are:
-
log binary (default)
-
log decoded in a more readable format, showing IP
- addresses etc...
-
count packet counter + bit rate
-
rx to packet monitor this option extracts the traffic to the
packet monitor
Select a Filter;
The filter consists of a space-separated sequence of expressions, which are
combined as a logical AND.
Possible criteria are:
-
eth.dst==00:11:22:33:44:55 (destination MAC address in hex)
-
eth.src==00:11:22:33:44:55 (source MAC address in hex)
-
ip.dst==1.2.3.4 (destination IP address)
-
ip.src==1.2.3.4 (source IP address)
-
udp.dst==5001 (or 0x1389)
- (UDP destination port, default 5001)
-
raw[12]==ab (payload of UDP datagrams, hex)
To remove the packet filter, you can enter a dummy string of 1 character
(e.g. "-").
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