show running-config all shows the full config including defaults.show running-config all | include ^service|^no service will show you all the services that are enabled or disabled.This being IOS, I wouldn't be absolutely sure that's everything. E.g. ...

The command you want should be:clear vlan statisticsHere is a command reference for it. You may not have the same IOS version, but this command looks to be pretty consistent across versions.