From the browser-based virtual desktop, we connected to a local Sun box using both SSH and telnet. The terminal emulators are written in Java and seemed a little slow, but considering the advantage of having a secure terminal connection via a Web browser, the speed was acceptable.
We had a little trouble connecting via SSH, and sometimes had to try multiple times. F5 reps promised this problem has been fixed for the next release.
In terms of performance, we couldn't tell the difference when doing normal Web browsing over the secure link--there were no noticeable delays.
We were mostly successful in using the client software to establish a secure tunnel. The client software worked fine with both Internet Explorer and Netscape. Although there seemed to be some problems with Mozilla with the first install of the plug-in, we eventually got it to work as well.
Once the client software has created the virtual network adapter, it's networking as usual. We were able to use our normal IP applications--e-mail and SSH--immediately over the secure tunnel.
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