One question. Does the SMTP server only needs to receive email traffic when the backup line is up? Otherwise having static mappings will make it very difficult for you to accomplish what you need.

You need to create an extended access-list and block TCP traffic from the hosts on your network to the Internet on port 1720 I think (you need to verify the specific port though). Like this:access-list 101 deny tcp 10.0.0.0 0.255.255.255 any eq 1720a...

Either you have configured a static arp entry on your switch or there is a loop on your switch that STP has not detected. If you have configured a static arp entry, then you need to remove it because the switch is seeing it on a different port now. C...

I think I understand the problem a little bit better now, but one question: Are you redistributing your static routes into EIGRP? That will explain why you are getting the route on router B through Mngt_2.By the way, you are configuring an administra...

This might be off the hook a little bit, but here it goes anyway. I agree with Kevin that it seems strange that there is a route to the other mgmt station from Mgnt_2, so there must be a link between the two. Anyway, I would think EIGRP is not conver...