Redundancy in external network

Unanswered Question
Jul 24th, 2008
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I have 2 2611xm routers on different ISPs (running BGP). They are hooked into 1 2950 switch, from the 2950 hooks into two ASA 5520s. I want to add another 2950 to add redudancy..What's the best way to cable this up? Do I need to add another FE to my 2611s, so each one will have an uplink to each switch??

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patrickvanham Fri, 07/25/2008 - 03:36
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Currently your only single point of failure is the single 2950, if you want full redundancy it would be best to connect each 2600 to both switches and each ASA to bothy switches. The switches do not necessarily need a link between them, and unless you use STP will likely cause broadcast storms. You might also consider using VLANs on the switches to connect the routers with the ASAs.


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