[c-nsp] Inbound redundancy with two ISPs
The Father
lobo at allstream.net
Thu Nov 1 08:45:12 EDT 2007
One of our customers is looking to us to provide a failover method for
their two internet access links. Normally this wouldn't be a problem
but the customer has public IPs that were assigned to them from ISP-A
(we're ISP-B) and they use them for servers behind ISP-B's connection.
They would like it so that when ISP-A goes down, the link that we
provide becomes primary and inbound and outbound traffic. Does anyone
know of a Cisco (or other vendor) solution that could take care of
this? I've tried explaining that for customers in these situations, BGP
and public ASN/CIDR blocks are what's normally required for this to work.
Thanks.
Jose
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