6608 Loop Back

[scottiptel]

Is there anyway to loop back 6608 from the switch, I mean software,

[vmoopeung]

If your looking for a document to troubleshoot, this may help you.Or can you be more specific.

http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a0080153327.shtml

[scottiptel]

One of the span terminated on one of the 6608 port is having trouble. The LEC is asking me to provide the Local loop so that they can test the CSU/DSU. This site is remote loop and I want to give a software loop from the switch to the service provider.