I'm newbie about that issue. I would know whether a Cisco device can act as DDNS server or not. My idea is similar is to build my own DDNS server like dyndns.org and similar do but I would not the names stored in the those DNS will be available to all Internet surfers, so I will not point all our spokes to those sites. Perhaps is there a software that does what I'm looking for? In that case I will move the discussion to another newsgroup.