Cisco ASA 5505 Configuration Manual page 1705

Chapter 76 Troubleshooting
Note
Common Problems
This section describes common problems with the adaptive security appliance, and how you might
resolve them.
Symptom
Symptom
Symptom
Symptom
OL-20339-01
The maximum memory allocation allowed is 256 MB.
The context configuration was not saved, and was lost when you reloaded.
You did not save each context within the context execution space. If you are
Possible Cause
configuring contexts at the command line, you did not save the current context before you changed
to the next context.
Save each context within the context execution space using the copy run start
Recommended Action
command. You cannot save contexts from the system execution space.
You cannot make a Telnet or SSH connection to the adaptive security appliance interface.
Possible Cause You did not enable Telnet or SSH to the adaptive security appliance.
Enable Telnet or SSH to the adaptive security appliance according to the
Recommended Action
instructions in "Configuring Device Access for ASDM, Telnet, or SSH" section on page
You cannot ping the adaptive security appliance interface.
You disabled ICMP to the adaptive security appliance.
Possible Cause
Enable ICMP to the adaptive security appliance for your IP address using the
Recommended Action
icmp command.
You cannot ping through the adaptive security appliance, although the access list allows it.
Possible Cause You did not enable the ICMP inspection engine or apply access lists on both the
ingress and egress interfaces.
Because ICMP is a connectionless protocol, the adaptive security appliance
Recommended Action
does not automatically allow returning traffic through. In addition to an access list on the ingress
interface, you either need to apply an access list to the egress interface to allow replying traffic, or
enable the ICMP inspection engine, which treats ICMP connections as stateful connections.
Cisco ASA 5500 Series Configuration Guide using ASDM
Common Problems
32-1.
76-13