If you want to exclude your site from DQ2 you need to use the dq2-set-location-status command.
The specific command is:
dq2-set-location-status -S AGLT2 -p dfruw -s OFF -r "unscheduled downtime due to failing network"
To restore (unblacklist) use the -s AUTO option and a suitable message.
You can check for blacklisted sites at: http://bourricot.cern.ch/blacklisted_production.html
-- ShawnMcKee - 09 May 2011