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Cisco ASA 5500 Series Configuration Guide using ASDM
Chapter81 Troubleshooting
Other Troubleshooting Tools
Step3 Use the circular buffer to store packets. When the circular buffer has used all of the buffer storage, the
capture will overwrite the oldest packets first.

Summary

The Summary screen shows the traffic selectors and the buffer parameters for the packet capture selected
in the previous wizard screens.

Run Captures

To start and stop the capture session, view the capture buffer, launch a network analyzer application, save
packet captures, and clear the buffer, perform the following steps:
Step1 To begin the packet capture session on a selected interface, click Start.
Step2 To stop the packet capture session on a selected interface, click Stop.
Step3 To obtain a snapshot of the captured packets on the interface, click Get Capture Buffer.
Step4 To show the capture buffer on the ingress interface, click Ingress.
Step5 To show the capture buffer on the egress interface, click Egress.
Step6 To clear the buffer on the device, click Clear Buffer on Device.
Step7 To start the packet analysis application for analyzing the ingress capture or the egress capture specified
in Tools > Preferences, click Launch Network Sniffer Application.
Step8 To save the ingress and egress captures in either ASCII or PCAP format, click Save Captures.

Save Captures

To save the ingress and egress packet captures to ASCII or PCAP file format for further packet analysis,
perform the following steps:
Step1 To save the capture buffer in ASCII format, click ASCII.
Step2 To save the capture buffer in PCAP format, click PCAP.
Step3 To specify a file in which to save the ingress packet capture, click Save ingress capture.
Step4 To specify a file in which to save the egress packet capture, click Save egress capture.
Sending an Administrator’s Alert to Clientless SSL VPN Users
To send an alert message to clientless SSL VPN users (for example, about connection status), perform
the following steps: