On 10/07/13 21:18, Pavel Dimow wrote:
Hi,
I have a a few branch offices and I want to connect them with central site.
Now I have a few problems. First at every branch I have the same provider
but it is very expensive to use any kind of their L2 or L3 MPLS services
hence I have only internet access. Also, at every branch we have cisco 3560
with very bad GRE tunnel performance (about 2Mbps).
Now my only solution is to like this:
Setup EBGP with ISP (require only default route) and setup IBGP with route
reflector at my central location. With this I should be able to have only
default route from my ISP and all routes from my network (central and
branch offices) and use only a single link from ISP without the need for
GRE tunnel.
Any ideas if I am missing something? Any advices for better solution?
I don't understand your solution. Without some kind of tunnel or
encapsulation, your routing table is irrelevant - once the traffic
reaches your ISP, it obeys their routing table, and will either be
forwarded correctly (in which case you don't need the iBGP) or
incorrectly (in which case iBGP does nothing)
Can you describe in more detail what you mean by "isolated L3 islands"?
I suspect you're going to need an additional or different box at each
site to encapsulate the traffic.
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