To add in 1 new ISP by using the existing 2 units of C3750 which currently running on existing ISP

[adrian.chin]

Hi Experts,

Currently i have 2 units of Cisco C3750 which running on the same subnetting under ISP A. Soon my network will be added another new ISP i called it ISP B. Kindly refer to attachment for my basic current network diagram.

The Question is: How can i add in ISP B into my network & once ISP B implement, both Cisco SW C3750 which configured with 2 different ISP can be fail over each other whichever link is down.

[Julio E. Moisa]

Hi Adrian,

Are you using the Cisco 3750 to receive the ISP using just vlan and behind of them there is routers?

Router ---- Switch 3750 ---- ISP

Is that correct? If Im correct you can create a new vlan to interconnect the ISP and the router and make the configurations on the router to have it as backup.

:-)

[dperezoquendo]

Hello,

I don't see any attachment. Can you try attaching it again? :)