Cisco Cisco Web Security Appliance S360 Guía Del Usuario
A-21
AsyncOS 9.0.1 for Cisco Web Security Appliances User Guide
Appendix A Troubleshooting
WCCP Problems
•
•
•
Do Not Use Force Reset, Power Off, or Reset Options During AsyncOS Startup
The following actions on your virtual host are the equivalent of pulling the plug on a hardware appliance
and are not supported, especially during AsyncOS startup:
and are not supported, especially during AsyncOS startup:
•
In KVM, the Force Reset option.
•
In VMWare, the Power Off and Reset options. (These options are safe to use after the appliance has
come up completely.)
come up completely.)
Network Connectivity on KVM Deployments Works Initially, Then Fails
Problem
Network connectivity is lost after previously working.
Solution
This is a KVM issue. See the section on "KVM: Network connectivity works initially, then
fails" in the OpenStack documentation at
.
Slow Performance, Watchdog Issues, and High CPU Usage on KVM
Deployments
Deployments
Problem
Appliance performance is slow, watchdog issues occur, and the appliance shows unusually high
CPU usage when running on an Ubuntu virtual machine.
Solution
Install the latest Host OS updates from Ubuntu.
General Troubleshooting for Virtual Appliances Running on Linux Hosts
Problem
Issues with virtual appliances running on KVM deployments may be related to host OS
configuration issues.
Solution
See the troubleshooting section and other information in the Virtualization Deployment and
WCCP Problems
•