|Brocade ADX - Packet Capture|
|Load Balancers - Brocade ADX|
|Wednesday, 01 August 2012 00:00|
The Brocade ADX provides the ability to capture network traffic which can then be viewed later for further analysis. This is achieved via the debug filter.
Debug Filter Mode
First of all we enter the debug filter prompt.
Next we set the packet and buffer size, along with clearing the buffer.
Next we define our filters. This specifies which traffic will be captured.
Apply / Show Filters
Once the filters are defined, they are applied.
It is also good practice to confirm that actual filter details just to ensure that there are no errors in what has been defined.
Start / Stop Capture
Next we set the debug filter to view (capture traffic on) all Barrel Processors. If you need to capture traffic whcih is destined/leaving the ADX (such as management or healthchecks) then you will need to view the management processor via the command "view mp".
SSH@adx(debug-filter-all-BP)#view bp all
To see a summary of the packets captures we issue the 'summary' command.
We next save the capture.
SSH@adx(debug-filter-all-BP)# pcap save /usb0/capture
Finally we export the capture to a TFTP server for further analysis (i.e Wireshark).
Below is a copy and paste template that can be used. Obviously the source and destination will need to be amended based on your networks.
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