How to run a debug on a Juniper firewall

On 17 February 2011, in Juniper, Pare-Feux, by Himselff

1.  Add a filter

dst-ip               flow filter dst ip

dst-port             flow filter dst port

ip-proto             flow filter ip proto

src-ip               flow filter src ip

src-port             flow filter src port

fw-> set ffilter src-ip

2.  launch the debug

fw-> debuf flow basic

3. Let it roll 2-3 minutes, till your traffic went through

4. Press the “Esc” key to stop the debug

5. Read the debug

fw-> get dbuf stream

6. Clear youre buffer

fw-> clear dbuf

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