It sounds as though you have installed Sugar using the defaults via a graphical browser. This will detect the site's URL as 127.0.0.1, which is indeed how you were connected at that time...
In short, you will need to modify the 'site_url' configuration parameter in the config.php file to reflect your externally facing IP address / URL. It should be around line # 206 in that file.
Code:
...
'save_query' => 'all',
'session_dir' => '',
'site_url' => 'http://127.0.0.1/',
'slow_query_time_msec' => '100',
'sugar_version' => '4.5.1h',
'sugarbeet' => true,
...
Bookmarks