Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for
Search instead for
Did you mean:
Cannot connect to the ASA 5500 Series with software version 7.1 through SSH due to high memory usage on the device
In the Adaptive Security Appliance (ASA) version 7.1(2), HTTP accounting causes constant high CPU usage.
This issue is documented in Cisco bug ID CSSsd72617.
Secure Sockets Layer (SSL) VPN causes the ASA to freeze when a connected user tries to map a drive or browse the network. The ASA shows that 128MB of memory is used when WebVPN is enabled, but no users are connected.
The Access Control List (ACL) used to specify traffic for HTTP accounting must specify the IP pool used for WebVPN. This ACL must not specify all IP addresses. A change to this ACL, in order to specify the IP pool as the source, reduces the CPU utilization to acceptable levels.
As a workaround, upgrade from ASA 7.1(2) to 7.1(2)4. To specify the amount of memory assigned to WebVPN processes, issue the memory-size command under the WebVPN configuration as shown in this example: