[c-nsp] multihoming solution over two different ISP's

[Martin T]

Aftab,
HWIC-2FE was exactly the card I was looking as well. As I don't have a
public IP address space and ASN, what options are left there in order
to achieve automatic failover?


regards,
martin


2011/8/8 Aftab Siddiqui <aftab.siddiqui at gmail.com>:
> Asking for the best solution: Yes its via BGP
> provided that you have you own Public IP space and ASN otherwise its not
> possible with 2 different ISPs. Adding HWIC-2FE would serve the physical
> requirement in your scenario.
>
> m2c
> Regards,
>
> Aftab A. Siddiqui
>
>
> On Mon, Aug 8, 2011 at 2:28 PM, Martin T <m4rtntns at gmail.com> wrote:
>>
>> At the moment I have a following setup:
>>
>> http://img69.imageshack.us/img69/4227/252530.png
>>
>> The ISP-A connection is the primary link and the ISP-B connection(over
>> WiMAX) is the backup one. In case the primary link fails, I physically
>> plug out the fiber-optical converter cable from my Cisco router(Cisco
>> 1841) and insert the one from WiMAX device. In addition, I reconfigure
>> the IP parameters in the router. This is probably the most manual
>> "multihoming" possible :) I'm ready to upgrade my router so it
>> supports two Ethernet cables.
>>
>> a) Is it somehow possible to automatically switch over to another one
>> connection in case the primary one fails. For example ping
>> www.google.com over a period of time and in case it doesn't respond,
>> automatically switch over to backup connection?
>>
>> b) Is it somehow possible to have one static IP address while using
>> the services of two different IPSs?
>>
>>
>> While I'm afraid the latter is impossible, the first automatic
>> switchover should be somehow doable, shouldn't it? As I told, I'm
>> ready to invest into new equipment if it's necessary.
>>
>> PS I'm aware, that probably the most elegant solution would be a BGP
>> sessions with ISP routers over different last-mile technologies. This
>> would provide fast failover and I could use one IP address.
>>
>>
>> What are the best practices for multihome connection over two different
>> ISP's?
>>
>>
>> regards,
>> martin
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>