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Currently I have four blocks of IP's: 80, 81, 82, and 83.<br />
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I have two T-1 lines coming into one router with two serial interfaces. &nbsp;One t-1 line each. &nbsp;I have already told my ISP to only route traffic to 80 and 81 to serial0 and 82 and 83 to serial1. &nbsp;How do I do the same on my end? &nbsp;I want all traffic from 80 and 81 to use serial0 and 82 and 83 to use serial1. &nbsp;<br />
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I've tried using access-lists, but that seems to slow down internet connection. &nbsp;Do I need route-maps? &nbsp;Any help would be greatly appreciated. &nbsp;Thanks.
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Currently I have four blocks of IP's: 80, 81, 82, and 83.

I have two T-1 lines coming into one router with two serial interfaces.  One t-1 line each.  I have already told my ISP to only route traffic to 80 and 81 to serial0 and 82 and 83 to serial1.  How do I do the same on my end?  I want all traffic from 80 and 81 to use serial0 and 82 and 83 to use serial1.  

I've tried using access-lists, but that seems to slow down internet connection.  Do I need route-maps?  Any help would be greatly appreciated.  Thanks.

routing traffic on two serial interfaces to the same ISP

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