[c-nsp] Bridging Across an OC3

[Sridhar Ayengar]

Devon True wrote:
> All:
> 
> I have a customer who is looking to bridge their traffic across an OC3. 
> (They want to use the same subnet on both sides of the circuit). It 
> looks like IRB is the method to use, but I am concerned about 
> performance issues. Normally there is very little traffic across the 
> OC3, but in a disaster, they could push 75-100Mbps across it.

Why do they want to use the same subnet on both sides?  The only reason 
I could think of is that they want to do something with broadcast, and 
in that instance, couldn't they use two smaller subnets and have them be 
both part on one supernet?

Bridging across a WAN makes me nervous from a performance perspective.

Peace...  Sridhar