I have a problem connecting to my internal servers. I'm pretty sure my

problem is the fact that all my servers have a default gateway
different then the internal IP of BM. But I can't really change that.Because it's my router. Or can I?
For exemple:
1 server gw adress is and BM adress is What
happens if I make the change to
Also I have servers in other ranges. Like and BM only has 1 private IP ( and 1 Public IP
Any ideas?