Which router i have to prefer for two ISP bandwith with BGP routing.

Unanswered Question
Nov 17th, 2009

Dear Members,

Please help me regarding which router I hav prefer when Two ISP bandwidth comes in single router.

1- 2801 , 2- 2811, 3-2821, 4-3825, 5-3845

in which one i have to prefer for two ISP bandwith in single.

ISP-1 Bandwidth 45 MB

ISP-2 Bandwidth 30 MB

and one more help please give me BGP templets of below mention Scenerio

My BGP ASN 131215 (4 byte) 2.143

My network

ISP-1 ASN 18101


ISP-2 ASN 4755


So what is the configuration i have to paste in my router for load balance when any one ISP Bandwidth full utilised then autometic use 2nd ISP bandwith and and also when any one ISP bandwidth goes down then autometic work all loads in my router on any working ISP bandwith.

Thanks in ADV,


I have this problem too.
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Giuseppe Larosa Sun, 11/22/2009 - 06:50

Hello Vaibhav,

5) C3845

because you want to handle two internet pipes one 50 Mbps and one 30 Mbps.

if you need to support 4 bytes ASN as explained in your other thread multilayer switches are not an option.

see attached file with router performance

Hope to help



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