I have a two ASA 5520's and I want to be able to see or monitor the traffic between each tunnel. I am using external addresses but for the sake of this question I will use the following: 220.127.116.11 to 18.104.22.168 . How can I montior the traffic? Thanks in advance for your cooperation.
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When you say that you want to monitor the traffic, does that mean that how much traffic was encrypted, if yes, then try the commands:-
sh crypto isakmp sa and sh crypto ipsec sa
if this is not what you are looking for then please elaborate.
What's the plan of monitoring?
If yes, there is problem, because OIDs of tunnels are changing everytime, tunnel is established.
I also solve this problem, but haven't found any free tool.
If you're prepared to pay, then this one seems to look fine : http://www.vpnttg.com/