> Troy, > > Multihomed end points usually run BGP (Border Gateway > Protocol). BGP allows you to advertise multiple paths to your > network. Your mail server always has the same IP address, but > BGP tells everyone that there are multiple paths to it and > which ones are currently active. BGP can be very complicated > or very simple depending on how you look at it and on the > particular application. > > Most multihomed end points are multihomed through different > ISPs for redundancy. Running BGP in this case requires a > public AS number, because it is advertised every where on the > internet. It often requires a larger router (256 Mb) to > handle all of the known routes on the internet. > > In your case, you have both of your connections from the same > ISP. So you can run a private AS number. A private AS number > is kind of like private IP addresses. I believe the private > AS numbers are 64512 through 65535 (see http://www.arin.net). > Running BGP requires a router capable of running BGP4, but > because this is a private path, you only need to know the > path to your ISP. So you can use a very small router. That > small of a routing table should run on a Cisco 2500, 2600, or > larger as long as the software version supports BGP4. > > An additional benefit for you, is that you could then load > balance your T1s and gain full throughput through both of > them to any IP address on your network > > Call your ISP and discuss this issue with them. They should > be able to help you out. >
Post from a post... Load Balancing with CEF >www.cisco.com/en/US/products/hw/module.. Alternatives for High Bandwidth Connections Using Parallel T1/E1 Links >www.cisco.com/en/US/products/hw/module.. How to Use HSRP to Provide Redundancy in a Multihomed BGP Network >www.cisco.com/en/US/tech/tk365/tk80/te.. GLBP - Gateway Load Balancing Protocol >www.cisco.com/en/US/products/sw/iosswr.. If course if you have another $20k, this would be the route >www.fatpipeinc.com/ No bgp needed and you can add 2, 4, 6 T'1s and it will "add them up" to give you 2megs 4meg 6megs of thruput. ~Rick ___________________________________________________________________ Virus Scanned and Filtered by http://www.FamHost.com E-Mail System. To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
