Dynamic DNS Support for Cisco IOS Software

• Cisco: http://www.cisco.com/en/US/docs/ios/12_3/12_3y/12_3ya8/gt_ddns.html
• DynDNS: http://www.dyndns.com/support/kb/configuring_cisco_https.html
• Petri IT: http://www.petri.co.il/csc_configuring_dynamic_dns_in_cisco_ios.htm

interface fa0
ip ddns update hostname example.dyndns.org
ip ddns update example_dyndns
!
ip ddns update method example_dyndns
HTTP
add https://username:password@members.dyndns.org/nic/update?system=dyndns&amp;hostname=<h>&amp;myip=<a href="">
interval maximum 28 0 0 0
interval minimum 28 0 0 0
!
crypto pki trustpoint example
revocation check none
enroll term pem
!
crypto pki certificate chain example
certificate ca 35DEF4CF
30820320 30820289 A0030201 02020435 DEF4CF30 0D06092A 864886F7 0D010105
0500304E 310B3009 06035504 06130255 53311030 0E060355 040A1307 45717569
...
2AA72349 01048642 7BFCEE7F A21652B5 6767D340 DB3B2658 B228773D AE147761
D6FA2A66 27A00DFA A7735CEA 70F19421 65445FFA FCEF2968 A9A28779 EF79EF4F
AC077738
quit