Question on combining routers (3845 to replace two 2621s)

At headquarters, we currently have two routers. One router (2621xm) connects to our MPLS network from Qwest.

We have another 2621 which connects to Qwest for internet (T1 to internet). Our current mpls router does not hit a firewall before going internal. I was told this is ok, since it is private. Our internet router does have a firewall before hitting corporate.

Would it make sense to purchas a 3845 (with multiple WAn interfaces) and replace both the 2621s?  Or would it be a security risk. Because if someone popped the 3845, they may have access to the MPLS network?

Please see diagram


WANCURRENT.jpg
PROPOSEDWAN.jpg
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WERAracerAsked:
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willbaclimonCommented:
Its also a single point of failure
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Don JohnstonInstructorCommented:
Makes sense to me.

As long as it's properly configured, it's no more of a security risk than what you currently have. And it's no more of a single point of failure than you currently have.
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WERAracerAuthor Commented:
Don,

I see what you mean. is this something you see in the field? Or do most people have two routers in this occasion
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Don JohnstonInstructorCommented:
I've seen it both ways. In a situation like yours, the single router solution is probably slightly more common.
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