How to make cisco router as CA server

Here is a sample configuration to make a cisco router as CA server. Enter the following commands in global configuration mode.

• crypto pki server CAname
• issuer-name CN=domainname.com L=location C=country
• grant auto
• lifetime crl 24
• lifetime certificate 200
• lifetime ca-certificate 365
• cdp-url http://ipaddress/CAnamecdp.CAname.crl
• crypto pki trustpoint CAname
• revocation-check crl
• rsakeypair CAname