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Set secondary DHCP on ALL interfaces.

I wanted to post this as it's own question although it is posted already under "Ask the experts".

We've added a secondary DHCP server to our network so that if one fails or is taken down for maintenance, we don't have a gap in service.  I need to add this new DHCP address to each interface for each controller in WCS.  I have 4 WLC's with 9 interfaces per.  That's 36 slow UI copy and pastes I'm not looking forward too.  Is there a quick way to propogate this secondary DNS to all interfaces?

I've looked at Controller Templates and Controller Config Groups but can't seem to find my way through either to a solution to my situation.  Can you offer any advice?

(Unrelated) Also, I can't post to this group from Firefox.  IE works fine.  Weird.

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