This article will go into detail on how to install certificates on 3Com Wireless LAN
Once you have received your certificate files, you will need to install them to the same key from which they were generated.
crypto certificate web
Once again, if you did not use "web" when creating your CSR and key, you will not use "web" here, instead use "eap" or "admin."
crypto ca-certificate web
One last time, you will substitute "web" for "eap" or "admin" if that is what you have been doing.
The 3Com Wireless Lan Switch will not allow for the installing of multiple intermediate certificate files. If you were provided with multiple intermediate certificates, this is usually for additional ubiquity purposes and should not impact your clients or connection issues in almost all cases. Although ideally all intermediate files would be installed, that is not possible and fortunately it is not necessary.